{"id":52,"date":"2020-10-06T19:08:08","date_gmt":"2020-10-06T19:08:08","guid":{"rendered":"http:\/\/blogs.ams.org\/fcsandbox\/?page_id=52"},"modified":"2022-03-03T16:29:30","modified_gmt":"2022-03-03T21:29:30","slug":"archive","status":"publish","type":"page","link":"https:\/\/mathvoices.ams.org\/featurecolumn\/archive\/","title":{"rendered":"Feature Column Archive"},"content":{"rendered":"<h1>Feature Column Authors<\/h1>\n<ul class=\"list-inline\">\n<li id=\"menu-item-305\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/david-austin\/\">DAVID AUSTIN<\/a><\/li>\n<li id=\"menu-item-304\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/bill-casselman\/\">BILL CASSELMAN<\/a><\/li>\n<li id=\"menu-item-310\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/courtney-gibbons\/\">COURTNEY GIBBONS<\/a><\/li>\n<li id=\"menu-item-306\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/joseph-malkevitch\/\">JOSEPH MALKEVITCH<\/a><\/li>\n<li id=\"menu-item-308\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/tony-phillips\/\">TONY PHILLIPS<\/a><\/li>\n<li id=\"menu-item-309\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/sara-stoudt\/\">SARA STOUDT<\/a><\/li>\n<li id=\"menu-item-307\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/category\/ursula-whitcher\/\">URSULA WHITCHER<\/a><\/li>\n<\/ul>\n<hr \/>\n<h1>The Archive<\/h1>\n<div class=\"sya_container\" id=\"sya_container\"><a id=\"year2026\"><\/a>2026<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/06\/01\/the-shapley-value-or-how-to-split-a-bill-in-n-easy-steps\/\" class=\"sya_postlink post-2748\" rel=\"bookmark\">The Shapley Value, or How to Split a Bill in n! Easy Steps<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/05\/01\/the-story-your-ballot-doesnt-tell\/\" class=\"sya_postlink post-2732\" rel=\"bookmark\">The Story Your Ballot Doesn\u2019t Tell<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/04\/03\/weekly-maintenance-message\/\" class=\"sya_postlink post-2730\" rel=\"bookmark\">Weekly Maintenance Message<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/04\/01\/puzzling\/\" class=\"sya_postlink post-2698\" rel=\"bookmark\">Puzzling Like the Seventeenth Century<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/03\/01\/how-to-untwist-your-fractions\/\" class=\"sya_postlink post-2629\" rel=\"bookmark\">How to Untwist Your Fractions<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/02\/01\/does-mathematics-progress\/\" class=\"sya_postlink post-2617\" rel=\"bookmark\">Does Mathematics Progress?<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2026\/01\/01\/information-insight-and-the-problem-with-parameters\/\" class=\"sya_postlink post-2600\" rel=\"bookmark\">Information, Insight, and the Problem With Parameters<\/a><\/div><\/li><\/ul><a id=\"year2025\"><\/a>2025<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/12\/01\/everything-i-need-to-know-about-polygons-i-learned-from-my-pre-kindergartner\/\" class=\"sya_postlink post-2573\" rel=\"bookmark\">Everything I Need to Know About Polygons I Learned from My Pre-Kindergartner<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/11\/01\/achieving-fairness\/\" class=\"sya_postlink post-2543\" rel=\"bookmark\">Achieving Fairness<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/10\/01\/the-hypergeometric-flower-pot\/\" class=\"sya_postlink post-2516\" rel=\"bookmark\">The Hypergeometric Flower Pot<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/09\/01\/grasping-the-math-thats-over-your-head\/\" class=\"sya_postlink post-2475\" rel=\"bookmark\">Grasping the Math That&#8217;s Over Your Head<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/08\/01\/reading-to-solve\/\" class=\"sya_postlink post-2461\" rel=\"bookmark\">Reading to Solve<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/07\/01\/this-queen-loves-to-tango\/\" class=\"sya_postlink post-2415\" rel=\"bookmark\">This Queen Loves to Tango!<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/06\/01\/irrationality-tamed\/\" class=\"sya_postlink post-2376\" rel=\"bookmark\">Irrationality Tamed<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/05\/01\/primitive-recursion-and-the-disappearing-guests\/\" class=\"sya_postlink post-2353\" rel=\"bookmark\">Primitive Recursion and the Disappearing Guests<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/04\/01\/the-teddy-lambkin-theorem\/\" class=\"sya_postlink post-2336\" rel=\"bookmark\">The Teddy-Lambkin Theorem<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/03\/01\/footnote-finding\/\" class=\"sya_postlink post-2319\" rel=\"bookmark\">Footnote Finding<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/02\/01\/elliptic-functions\/\" class=\"sya_postlink post-2235\" rel=\"bookmark\">Elliptic Functions, Doughnuts, and a Secret Integration Technique<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2025\/01\/01\/visualizing-anti-trans-legislation-using-rstudio\/\" class=\"sya_postlink post-2206\" rel=\"bookmark\">Visualizing anti-trans legislation using RStudio<\/a><\/div><\/li><\/ul><a id=\"year2024\"><\/a>2024<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/12\/01\/capturing-the-invisible-hopping-rabbit\/\" class=\"sya_postlink post-2169\" rel=\"bookmark\">Capturing the Invisible Hopping Rabbit<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/11\/01\/strung-out-on-automorphic-forms\/\" class=\"sya_postlink post-2131\" rel=\"bookmark\">Strung Out on Automorphic Forms<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/10\/01\/people-and-computers-compared\/\" class=\"sya_postlink post-2101\" rel=\"bookmark\">People and Computers Compared<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/09\/01\/payoffs-and-strategies\/\" class=\"sya_postlink post-2081\" rel=\"bookmark\">Payoffs and strategies<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/08\/01\/welcome-to-the-fold\/\" class=\"sya_postlink post-2044\" rel=\"bookmark\">Welcome to the Fold<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/07\/01\/looking-ahead\/\" class=\"sya_postlink post-2011\" rel=\"bookmark\">Looking ahead<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/06\/01\/lattices-plane-and-not-so-plane\/\" class=\"sya_postlink post-1983\" rel=\"bookmark\">Lattices, Plane and Not-So-Plane<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/05\/01\/much-ado-about-zero\/\" class=\"sya_postlink post-1961\" rel=\"bookmark\">Much Ado About Zero<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/04\/01\/elliptic-curves-come-to-date-night\/\" class=\"sya_postlink post-1945\" rel=\"bookmark\">Elliptic curves come to date night<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/03\/01\/is-this-p-hacking\/\" class=\"sya_postlink post-1927\" rel=\"bookmark\">Is this $p$-hacking?<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/02\/01\/impossible\/\" class=\"sya_postlink post-1905\" rel=\"bookmark\">Impossible?<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2024\/01\/01\/daniel-ellsberg-and-the-science-of-extortion\/\" class=\"sya_postlink post-1877\" rel=\"bookmark\">Daniel Ellsberg and the Science of Extortion<\/a><\/div><\/li><\/ul><a id=\"year2023\"><\/a>2023<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/12\/01\/sampled-poems-contain-multitudes\/\" class=\"sya_postlink post-1857\" rel=\"bookmark\">Sampled Poems Contain Multitudes<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/11\/01\/what-i-think-about-when-i-think-about-voting\/\" class=\"sya_postlink post-1831\" rel=\"bookmark\">What I Think About When I Think About Voting<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/10\/01\/correcting-errors\/\" class=\"sya_postlink post-1806\" rel=\"bookmark\">Correcting Errors<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/09\/01\/math-meets-congress\/\" class=\"sya_postlink post-1783\" rel=\"bookmark\">Math Meets Congress<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/08\/01\/a-summer-set-seed-sestina\/\" class=\"sya_postlink post-1766\" rel=\"bookmark\">A Summer set.seed() Sestina<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/07\/01\/period-math-physics\/\" class=\"sya_postlink post-1734\" rel=\"bookmark\">Putting a period on mathematical physics<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/06\/01\/hat-tricks\/\" class=\"sya_postlink post-1689\" rel=\"bookmark\">Hat Tricks<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/05\/01\/a-different-sense-of-distance\/\" class=\"sya_postlink post-1641\" rel=\"bookmark\">A Different Sense of Distance<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/04\/01\/remembering-donald-w-crowe\/\" class=\"sya_postlink post-1601\" rel=\"bookmark\">Remembering Donald W. Crowe<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/03\/01\/perspectives-on-polynomials-its-a-witch\/\" class=\"sya_postlink post-1575\" rel=\"bookmark\">Perspectives on Polynomials (it&#8217;s a witch!)<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/02\/01\/the-jordan-curve-theorem-as-a-lusona\/\" class=\"sya_postlink post-1562\" rel=\"bookmark\">The Jordan Curve Theorem as a Lusona<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2023\/01\/01\/what-will-they-do-when-quantum-computers-start-working\/\" class=\"sya_postlink post-1529\" rel=\"bookmark\">What will they do when quantum computers start working?<\/a><\/div><\/li><\/ul><a id=\"year2022\"><\/a>2022<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/12\/01\/hyperoperations-distributivity-and-the-unreasonable-effectiveness-of-multiplication\/\" class=\"sya_postlink post-1510\" rel=\"bookmark\">Hyperoperations, Distributivity, and the Unreasonable Effectiveness of Multiplication<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/11\/01\/decoding-gerrymanders-and-markov-chains\/\" class=\"sya_postlink post-1393\" rel=\"bookmark\">Decoding, Gerrymanders, and Markov Chains<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/10\/01\/predicting-friendships-and-other-fun-machine-learning-tasks-with-graphs\/\" class=\"sya_postlink post-1346\" rel=\"bookmark\">Predicting friendships and other fun machine learning tasks with graphs<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/09\/01\/eight-dimensional-spheres-and-the-exceptional-e_8\/\" class=\"sya_postlink post-1291\" rel=\"bookmark\">Eight-dimensional spheres and the exceptional $E_8$<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/08\/01\/applied-algebra-a-variety-show\/\" class=\"sya_postlink post-1233\" rel=\"bookmark\">Applied Algebra: A Variety Show<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/07\/01\/statistical-concepts-and-intersectionality\/\" class=\"sya_postlink post-1141\" rel=\"bookmark\">Statistical Concepts and Intersectionality<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/06\/01\/wordle\/\" class=\"sya_postlink post-1094\" rel=\"bookmark\">Wordle is a game of chance<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/05\/01\/designing-supersymmetry\/\" class=\"sya_postlink post-920\" rel=\"bookmark\">Designing supersymmetry<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/04\/01\/geometric-decompositions\/\" class=\"sya_postlink post-897\" rel=\"bookmark\">Geometric Decompositions<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/03\/01\/ordinary-least-squares\/\" class=\"sya_postlink post-748\" rel=\"bookmark\">The Origins of Ordinary Least Squares Assumptions<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/02\/01\/the-kalman-filter-helping-chickens-cross-the-road\/\" class=\"sya_postlink post-696\" rel=\"bookmark\">The Kalman Filter.  Helping Chickens Cross the Road.<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2022\/01\/01\/rook-polynomials\/\" class=\"sya_postlink post-653\" rel=\"bookmark\">Rook Polynomials: A Straight-Forward Problem<\/a><\/div><\/li><\/ul><a id=\"year2021\"><\/a>2021<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/12\/01\/alan-turing-computable-numbers\/\" class=\"sya_postlink post-625\" rel=\"bookmark\">Alan Turing and the Countability of Computable Numbers<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/11\/01\/what-is-a-prime-and-who-decides\/\" class=\"sya_postlink post-594\" rel=\"bookmark\">What is a prime, and who decides?<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/10\/01\/decomposition\/\" class=\"sya_postlink post-553\" rel=\"bookmark\">Decomposition<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/09\/01\/meet-me-up-in-space\/\" class=\"sya_postlink post-467\" rel=\"bookmark\">Meet me up in space!<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/08\/01\/principal-component-analysis\/\" class=\"sya_postlink post-374\" rel=\"bookmark\">Principal Component Analysis &#8211; Three Examples and some Theory<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/07\/01\/the-battle-of-numbers\/\" class=\"sya_postlink post-355\" rel=\"bookmark\">The Battle of Numbers<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/06\/01\/the-once-and-future-feature-column\/\" class=\"sya_postlink post-314\" rel=\"bookmark\">The Once and Future Feature Column<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/05\/01\/may-fc\/\" class=\"sya_postlink post-275\" rel=\"bookmark\">An epidemic is a sequence of random events<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/03\/31\/fc-2021-04\/\" class=\"sya_postlink post-250\" rel=\"bookmark\">In Praise of Collaboration<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/03\/01\/fc-2021-03\/\" class=\"sya_postlink post-199\" rel=\"bookmark\">Lost (and found) in space<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/02\/01\/fc-2021-02\/\" class=\"sya_postlink post-194\" rel=\"bookmark\">Risk Analysis and Romance<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2021\/01\/01\/fc-2021-01\/\" class=\"sya_postlink post-192\" rel=\"bookmark\">Am I really uninfected?<\/a><\/div><\/li><\/ul><a id=\"year2020\"><\/a>2020<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/12\/01\/fc-2020-12\/\" class=\"sya_postlink post-186\" rel=\"bookmark\">Pseudonyms in Mathematics<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/11\/01\/fc-2020-10-2\/\" class=\"sya_postlink post-179\" rel=\"bookmark\">Completing the Square<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/10\/01\/fc-2020-10\/\" class=\"sya_postlink post-116\" rel=\"bookmark\">Pooling strategies for COVID-19 testing<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/09\/01\/fc-2020-09\/\" class=\"sya_postlink post-121\" rel=\"bookmark\">Does He Have It?<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/08\/01\/fc-2020-08\/\" class=\"sya_postlink post-127\" rel=\"bookmark\">Remembering Richard Kenneth Guy: Games and Taking on Mountains<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/07\/01\/fc-2020-07\/\" class=\"sya_postlink post-720\" rel=\"bookmark\">Quantifying Injustice<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/06\/01\/fc-2020-06\/\" class=\"sya_postlink post-131\" rel=\"bookmark\">Transmitting Data with Polar Codes<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/05\/01\/fc-2020-05\/\" class=\"sya_postlink post-136\" rel=\"bookmark\">Mathematics and the Family Tree of SARS-Cov-2<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/04\/01\/fc-2020-04\/\" class=\"sya_postlink post-138\" rel=\"bookmark\">Points, Lines, and Incidences<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/03\/01\/fc-2020-03\/\" class=\"sya_postlink post-140\" rel=\"bookmark\">From Strings to Mirrors<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/02\/01\/fc-2020-02\/\" class=\"sya_postlink post-142\" rel=\"bookmark\">What&#8217;s the 411?<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2020\/01\/01\/fc-2020-01\/\" class=\"sya_postlink post-147\" rel=\"bookmark\">More Measles<\/a><\/div><\/li><\/ul><a id=\"year2019\"><\/a>2019<ul><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/tony-phillips-column-archive\/\" class=\"sya_postlink post-347\" rel=\"bookmark\">Tony Phillips&#8217; Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/guillermo-ferreyra-column-archive\/\" class=\"sya_postlink post-352\" rel=\"bookmark\">Guillermo Ferreyra&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/steven-h-weintraub-column-archive\/\" class=\"sya_postlink post-349\" rel=\"bookmark\">Steven H. Weintraub&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/patrick-ion-column-archive\/\" class=\"sya_postlink post-341\" rel=\"bookmark\">Patrick Ion&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/ursula-whitcher-column-archive\/\" class=\"sya_postlink post-323\" rel=\"bookmark\">Ursula Whitcher&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/john-eggers-column-archive\/\" class=\"sya_postlink post-337\" rel=\"bookmark\">John Eggers&#8217; Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/joe-malkevitch-column-archive\/\" class=\"sya_postlink post-343\" rel=\"bookmark\">Joe Malkevitch&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/moira-chas-column-archive\/\" class=\"sya_postlink post-335\" rel=\"bookmark\">Moira Chas&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/bill-casselman-column-archive\/\" class=\"sya_postlink post-331\" rel=\"bookmark\">Bill Casselman&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/david-austin-column-archive\/\" class=\"sya_postlink post-329\" rel=\"bookmark\">David Austin&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/colm-mulcahy-column-archive\/\" class=\"sya_postlink post-345\" rel=\"bookmark\">Colm Mulcahy&#8217;s Column Archive<\/a><\/div><\/li><li class=\"\"><div class=\"sya_postcontent\"><span class=\"sya_date\"> <span class=\"sya_sep\"> <\/span><\/span><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/etienne-ghys-and-josh-leys-column-archive\/\" class=\"sya_postlink post-339\" rel=\"bookmark\">\u00c9tienne Ghys and Josh Leys: Column Archive<\/a><\/div><\/li><\/ul><\/div>\n<hr \/>\n<details>\n<summary>\n<h3>2019<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-12\"> You&#8217;re in for a shock<\/a> by David Austin<br \/>\n  December 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-11\">Why 95% ?<\/a> by Bill Casselman<br \/>\n  November 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-10\">Topological Quantum Field Theory for Vampires<\/a> by Ursula Whitcher<br \/>\n  October 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-09\">Pretty as a Picture (Part II)<\/a> by Joe Malkevitch<br \/>\n  September 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-08\">Puppies, Kittens, and the Golden Ratio<\/a> by David Austin<br \/>\n  August 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-06\">Understanding Kepler III&#8211;Predecessors<\/a> by Bill Casselman<br \/>\n  June 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-05\">Topology and Elementary Electric Circuit Theory, II: Duality<\/a> by Tony Phillips<br \/>\n  May 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-04\">Pretty as a Picture (Part I)<\/a> by Joe Malkevitch<br \/>\n  April 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-03\">Non-negative Matrix Factorizations<\/a> by David Austin<br \/>\n  March 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-02\">Understanding Kepler II&#8211;Earth&#8217;s Motion<\/a> by Bill Casselman<br \/>\n  February 2019 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-01\">Branko Grunbaum Remembered&#8211;A Great Geometer!<\/a> by Joe Malkevitch<br \/>\n  January 2019 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2018<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-12\">Upgrading Slums Using Topology<\/a> by David Austin<br \/>\n  December 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-11\">Understanding What Kepler Did&#8211;Part I<\/a> by Bill Casselman<br \/>\n  November 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-10\">Topology and Elementary Electric Circuit Theory, I<\/a> by Tony Phillips<br \/>\n  October 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-09\">Recognition<\/a> by Joe Malkevitch<br \/>\n  September 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-08\">Getting in Sync<\/a> by David Austin<br \/>\n  August 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-06\">Reading the Bakhshali Manuscript<\/a> by Bill Casselman<br \/>\n  June 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-05\">Crochet Topology<\/a> by Moira Chas<br \/>\n  May 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-04\">Mathematical Economics for Mathematics and Statistics Awareness Month<\/a> by Joe Malkevitch<br \/>\n  April 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-03\">Neural Nets and How They Learn<\/a> by David Austin<br \/>\n  March 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-02\">Jakob Bernoulli&#8217;s Zoo<\/a> by Bill Casselman<br \/>\n  February 2018 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-01\">Regular-Faced Polyhedra: Remembering Norman Johnson<\/a> by Joe Malkevitch<br \/>\n  January 2018 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2017<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-12\">How to Differentiate with a Computer<\/a> by David Austin<br \/>\n  December 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-11\">Solar Daze<\/a> by Bill Casselman<br \/>\n  November 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-10\">The Early History of Calculus Problems, II<\/a> by Tony Phillips<br \/>\n  October 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-09\">Ranking, Grading, and Genealogy<\/a> by Joe Malkevitch<br \/>\n  September 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-08\">Untangling Your Square Dance<\/a> by David Austin<br \/>\n  August 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-06\">The Joy of Barycentric Subdivision<\/a> by Bill Casselman<br \/>\n  June 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-05\">Surface Topology in Bach Canons, II: The Torus<\/a> by Tony Phillips<br \/>\n  May 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-04\">Remembering Bill Thurston (1946-2012)<\/a> by Joe Malkevitch<br \/>\n  April 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-03\">Patterns in Permutations<\/a> by David Austin<br \/>\n  March 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-02\">Assembly Required<\/a> by Bill Casselman<br \/>\n  February 2017 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-01\">Building Trees for Biologists<\/a> by Joe Malkevitch<br \/>\n  January 2017 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2016<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-12\">Finding Holes in the Data<\/a> by David Austin<br \/>\n  December 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-11\">Circles and Squares &#8230; and Primes<\/a> by Bill Casselman<br \/>\n  November 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-10\">Surface Topology in Bach Canons, I: The Mobius strip<\/a> by Tony Phillips<br \/>\n  October 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-09\">Theoretical Mathematics Finds Use in Economics&#8211;A Tribute to Lloyd Shapley<\/a> by Joe Malkevitch<br \/>\n  September 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-08\">Game. SET. Polynomial.<\/a> by David Austin<br \/>\n  August 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-06\">The Legend of Abraham Wald<\/a> by Bill Casselman<br \/>\n  June 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-05\">The Early History of Calculus Problems<\/a> by Tony Phillips<br \/>\n  May 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-04\">Mathematics and Crystal Balls<\/a> by Joe Malkevitch<br \/>\n  April 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-03\">Knot Quandaries Quelled by Quandles<\/a> by David Austin<br \/>\n  March 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-02\">It Just Keeps Piling Up!<\/a> by Bill Casselman<br \/>\n  February 2016 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-01\">Are Precise Definitions a Good Idea?<\/a> by Joe Malkevitch<br \/>\n  January 2016 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2015<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-12\">Petals, Flowers and Circle Packings<\/a> by David Austin<br \/>\n  December 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-11\">Circles and Squares<\/a> by Bill Casselman<br \/>\n  November 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-10\">Hidden Symmetries of Labyrinths from Antiquity and the Middle Ages<\/a> by Tony Phillips<br \/>\n  October 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-09\">Mathematics and Ecology<\/a> by Joe Malkevitch<br \/>\n  September 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-08\">Game. SET. Line.<\/a> by David Austin<br \/>\n  August 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-06\">Sums and Integrals: The Swiss analysis knife<\/a> by Bill Casselman<br \/>\n  June 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-05\">Math and the Sewing Machine<\/a> by Tony Phillips<br \/>\n  May 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-04\">Mathematical Careers<\/a> by Joe Malkevitch<br \/>\n  April 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-03\">The Stable Marriage Problem and School Choice<\/a> by David Austin<br \/>\n  March 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-02\">The Mathematics of the Rainbow, Part II<\/a> by Bill Casselman<br \/>\n  February 2015 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-01\">Mathematics and Psychology<\/a> by Joe Malkevitch<br \/>\n  January 2015 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2014<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-12\">How to Grow and Prune a Classification Tree<\/a> by David Austin<br \/>\n  December 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-11\">Why Do We Expect Lots of Twin Primes?<\/a> by Bill Casselman<br \/>\n  November 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-10\">The Topology of Impossible Spaces<\/a> by Tony Phillips<br \/>\n  October 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-09\">Mathematics and Chemistry: Partners in Understanding Our World<\/a> by Joe Malkevitch<br \/>\n  September 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-08\">Congressional Redistricting and Gerrymandering<\/a> by David Austin<br \/>\n  August 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-06\">Feeling Your Way Around in High Dimensions<\/a> by Bill Casselman<br \/>\n  June 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-05\">The Knots in the Quipu, and in the Friar&#8217;s Belt<\/a> by Tony Phillips<br \/>\n  May 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-04\">Magical Mathematics &#8211; A Tribute to Martin Gardner<\/a> by Joe Malkevitch<br \/>\n  April 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-03\">How to Make a 3D Print<\/a> by David Austin<br \/>\n  March 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-02\">Stereographic Projection<\/a> by Bill Casselman<br \/>\n  February 2014 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-01\">Periods<\/a> by Joe Malkevitch<br \/>\n  January 2014 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2013<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-12\">The Polish Attack on Enigma II: Zygalski sheets<\/a> by Bill Casselman<br \/>\n  December 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-11\">Fedorov&#8217;s Five Parallelohedra<\/a> by David Austin<br \/>\n  November 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-10\">Spherical Dodecahedral Space<\/a> by Tony Phillips<br \/>\n  October 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-09\">Words and More Words<\/a> by Joe Malkevitch<br \/>\n  September 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-08\">The Frobenius Problem: How I bought Chicken McNuggets with exact change<\/a> by David Austin<br \/>\n  August 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-06\">More ENIGMA<\/a> by Bill Casselman<br \/>\n  June 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-05\">Galileo&#8217;s Arithmetic<\/a> by Tony Phillips<br \/>\n  May 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-04\">Sustainability<\/a> by Joe Malkevitch<br \/>\n  April 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-03\">Using Projective Geometry to Correct a Camera<\/a> by David Austin<br \/>\n  March 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-02\">How to Read QR Symbols Without Your Mobile Telephone<\/a> by Bill Casselman<br \/>\n  February 2013 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-01\">Hurricane Sandy Meets Mathematics<\/a> by Joe Malkevitch<br \/>\n  January 2013 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2012<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-12\">Who&#8217;s Number 1? Hodge Theory Will Tell Us<\/a> by David Austin<br \/>\n  December 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-11\">Can You Do Better?<\/a> by Bill Casselman<br \/>\n  November 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-10\">William Thurston<\/a> by Tony Phillips<br \/>\n  October 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-09\">Mathematical Modeling<\/a> by Joe Malkevitch<br \/>\n  September 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-08\">It&#8217;s a Small World After All<\/a> by David Austin<br \/>\n  August 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-06\">What Does a Circle Look Like?<\/a> by Bill Casselman<br \/>\n  June 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-05\">Old Babylonian Multiplication and Reciprocal Tables<\/a> by Tony Phillips<br \/>\n  May 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-04\">More Precious than Gold?<\/a> by Joe Malkevitch<br \/>\n  April 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-03\">A (Very Short) Detour for the Traveling Salesman<\/a> by David Austin<br \/>\n  March 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-02\">Archimedes on the Circumference and Area of a Circle<\/a> by Bill Casselman<br \/>\n  February 2012 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-01\">Weird Rulers<\/a> by Joe Malkevitch<br \/>\n  January 2012 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2011<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2011-12\">Arrangements and Duality or How I Learned to Slice a Ham and Cheese Sandwich<\/a> by David Austin<br \/>\n  December 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2011-11\">Fragments of Greek Mathematics<\/a> by Bill Casselman<br \/>\n  November 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2011-10\">X-ray Crystallography and the Fourier Transform<\/a> by Tony Phillips<br \/>\n  October 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2011-09\">Going, Going, &#8230;, Gone!<\/a> by Joe Malkevitch<br \/>\n  September 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2011-08\">The Shadow Knows: How to measure time with a sundial<\/a> by David Austin<br \/>\n  August 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-normal-integral\">What&#8217;s Normal?<\/a> by Bill Casselman<br \/>\n  June 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-cusa\">How Not to Square the Circle<\/a> by Tony Phillips<br \/>\n  May 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-complexity\">Complexity<\/a> by Joe Malkevitch<br \/>\n  April 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-dna-puzzle\">Aligning Sequence Reads to Assemble the Genome Puzzle<\/a> by David Austin<br \/>\n  March 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-five-polyhedra\">Why Only Five?<\/a> by Bill Casselman<br \/>\n  February 2011 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-anarchy\">The Price of Anarchy<\/a> by Joe Malkevitch<br \/>\n  January 2011 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2010<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-shuffle\">How Many Times Do I Have to Shuffle This Deck?<\/a> by David Austin<br \/>\n  December 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-geo-dft\">Geometry and the Discrete Fourier Transform<\/a> by Patrick Ion<br \/>\n  November 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-phyllotaxis\">Farey Numbers and the Magnetic Cactus<\/a> by Tony Phillips<br \/>\n  October 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-scores\">Who Won!<\/a> by Joe Malkevitch<br \/>\n  September 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-multiplication\">Multiplication is Easier When It&#8217;s Complex<\/a> by David Austin<br \/>\n  August 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-circle-limit\">How Did Escher Do It?<\/a> by Bill Casselman<br \/>\n  June 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-normal\">From Pascal&#8217;s Triangle to the Bell-shaped Curve<\/a> by Tony Phillips<br \/>\n  May 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-sports\">Mathematics and Sports<\/a> by Joe Malkevitch<br \/>\n  April 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-harmonic\">Moving Remy in Harmony: Pixar&#8217;s Use of Harmonic Functions<\/a> by David Austin<br \/>\n  March 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-data-matrix\">Crypto Graphics<\/a> by Bill Casselman<br \/>\n  February 2010 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-trucking\">Keep on Trucking<\/a> by Joe Malkevitch<br \/>\n  January 2010 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2009<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-kanoodle\">Puzzling Over Exact Cover Problems<\/a> by David Austin<br \/>\n  December 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-enigma\">Marian Rejewski and the First Break into Enigma<\/a> by Bill Casselman<br \/>\n  November 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-vanuatu\">A Non-Commutative Marriage System in the South Pacific<\/a> by Tony Phillips<br \/>\n  October 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-school-choice\">School Choice<\/a> by Joe Malkevitch<br \/>\n  September 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-svd\">We Recommend a Singular Value Decomposition<\/a> by David Austin<br \/>\n  August 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-longest-subsequence\">How Much Longer Can This Go On?<\/a> by Bill Casselman<br \/>\n  June 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-newcomb\">Simon Newcomb and &#8220;Natural Numbers&#8221; (Benford&#8217;s Law)<\/a> by Tony Phillips<br \/>\n  May 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-climate\">Mathematics and Climate<\/a> by Joe Malkevitch<br \/>\n  April 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-synthesizer\">No Static at All: Frequency modulation and music synthesis<\/a> by David Austin<br \/>\n  March 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-rainbows\">The Mathematics of Rainbows<\/a> by Bill Casselman<br \/>\n  February 2009 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-klee\">People Making a Difference<\/a> by Joe Malkevitch<br \/>\n  January 2009 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2008<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-stern-brocot\">&#8220;Trees, Teeth, and Time: The mathematics of clock making<\/a> by David Austin<br \/>\n  December 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-bezier\">From B\u00e9zier to Bernstein<\/a> by Bill Casselman<br \/>\n  November 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-weaving\">Inside-out Frieze Symmetries in Ancient Peruvian Weavings<\/a> by Tony Phillips<br \/>\n  October 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-gray\">Gray Codes<\/a> by Joe Malkevitch<br \/>\n  September 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-percolation\">Percolation: Slipping through the Cracks<\/a> by David Austin<br \/>\n  August 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-surveying-two\">The Mathematics of Surveying: Part II. The Planimeter<\/a> by Bill Casselman, John Eggers<br \/>\n  June 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-surveying-one\">The Mathematics of Surveying: Part I<\/a> by Tony Phillips<br \/>\n  May 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-elections\">The Process of Electing a President<\/a> by Joe Malkevitch<br \/>\n  April 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-random\">Random Numbers: Nothing Left to Chance<\/a> by David Austin<br \/>\n  March 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-sitnikov\">What is the Length of a Year on Planet Sitnikov?<\/a> by Bill Casselman<br \/>\n  February 2008 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-urban-geom\">Urban Geometry<\/a> by Joe Malkevitch<br \/>\n  January 2008 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2007<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-pi\">Pulling Digits out of Pi<\/a> by David Austin<br \/>\n  December 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-associahedra\">Strange Associations<\/a> by Bill Casselman<br \/>\n  November 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-taxi\">Taxi!<\/a> by Joe Malkevitch<br \/>\n  October 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-image-compression\">Image Compression: Seeing What&#8217;s Not There<\/a> by David Austin<br \/>\n  September 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-time\">Time and the Hour Running Through Rough Days<\/a> by Bill Casselman<br \/>\n  August 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-quantum-two\">The Mathematics Behind Quantum Computing: Part II<\/a> by Tony Phillips<br \/>\n  June 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-quantum-one\">The Mathematics Behind Quantum Computing: Part I<\/a> by Tony Phillips<br \/>\n  May 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-brain\">Mathematics and the Brain<\/a> by Joe Malkevitch<br \/>\n  April 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-knots-dna\">That Knotty DNA<\/a> by David Austin<br \/>\n  March 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-india-zero\">All for Nought<\/a> by Bill Casselman<br \/>\n  February 2007 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-rationality\">Rationality and Game Theory<\/a> by Joe Malkevitch<br \/>\n  January 2007 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2006<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-pagerank\">How Google Finds Your Needle in the Web&#8217;s Haystack<\/a> by David Austin<br \/>\n  December 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-lorenz\">Lorenz and Modular Flows: A Visual Introduction<\/a> by \u00c9tienne Ghys, Jos Leys<br \/>\n  November 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-boole\">The Princess of Polytopia: Alicia Boole Stott and the 120-cell<\/a> by Tony Phillips<br \/>\n  October 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-finitegeometries\">Finite Geometries?<\/a> by Joe Malkevitch<br \/>\n  September 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-voronoi\">Voronoi Diagrams and a Day at the Beach<\/a> by David Austin<br \/>\n  August 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-henon\">Simple Chaos &#8211; The H\u00e9non map<\/a> by Bill Casselman<br \/>\n  June 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-octo-cretan\">The Octosphericon and the Cretan Maze<\/a> by Tony Phillips<br \/>\n  May 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-internet\">Mathematics and Internet Security<\/a> by Joe Malkevitch<br \/>\n  April 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-kissing\">When Kissing Involves Trigonometry<\/a> by David Austin<br \/>\n  March 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-gminor\">Variations on Graph Minor<\/a> by Bill Casselman<br \/>\n  February 2006 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-trees\">Trees: A Mathematical Tool for All Seasons<\/a> by Joe Malkevitch<br \/>\n  January 2006 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2005<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-ribbons\">Penrose Tilings Tied up in Ribbons<\/a> by David Austin<br \/>\n  December 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-uncertainty\">The Mathematical Uncertainty Principle<\/a> by Tony Phillips<br \/>\n  November 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-tomography\">Mental Calculation<\/a> by Bill Casselman<br \/>\n  October 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-tsp\">Sales and Chips<\/a> by Joe Malkevitch<br \/>\n  September 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-penrose\">Penrose Tiles Talk Across Miles<\/a> by David Austin<br \/>\n  August 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-venn\">Topology of Venn Diagrams<\/a> by Tony Phillips<br \/>\n  June 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-slingshot\">Slingshots and Space Shots<\/a> by Bill Casselman<br \/>\n  May 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-cosmology\">Mathematics and Cosmology<\/a> by Joe Malkevitch<br \/>\n  April 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-bankruptcy\">Resolving Bankruptcy Claims<\/a> by Joe Malkevitch<br \/>\n  March 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-population-center\">The Center of Population of the United States<\/a> by David Austin<br \/>\n  February 2005 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-eulers-formulaii\">Euler&#8217;s Polyhedral Formula: Part II<\/a> by Joe Malkevitch<br \/>\n  January 2005 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2004<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-eulers-formula\">Euler&#8217;s Polyhedral Formula<\/a> by Joe Malkevitch<br \/>\n  December 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-marriage\">Mathematical Marriages<\/a> by Joe Malkevitch<br \/>\n  November 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-voting.games.two\">Voting Games: Part II<\/a> by Joe Malkevitch<br \/>\n  October 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-weighted1\">Voting Games: Part I<\/a> by Joe Malkevitch<br \/>\n  September 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-machines1\">Machine Scheduling<\/a> by Joe Malkevitch<br \/>\n  August 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-packings1\">Bin Packing and Machine Scheduling<\/a> by Joe Malkevitch<br \/>\n  June 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-bins1\">Bin Packing<\/a> by Joe Malkevitch<br \/>\n  May 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-networks1\">Networks<\/a> by Joe Malkevitch<br \/>\n  April 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-gallery1\">Diagonals: Part II<\/a> by Joe Malkevitch<br \/>\n  March 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-diagonals1\">Diagonals: Part I<\/a> by Joe Malkevitch<br \/>\n  February 2004 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-cubes1\">Cubes<\/a> by Joe Malkevitch<br \/>\n  January 2004 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2003<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-colorapp1\">Colorful Mathematics: Part IV<\/a> by Joe Malkevitch<br \/>\n  December 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-colour1\">Colorful Mathematics: Part III<\/a> by Joe Malkevitch<br \/>\n  November 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-color1\">Colorful Mathematics: Part II<\/a> by Joe Malkevitch<br \/>\n  October 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-coloring1\">Colorful Mathematics: Part I<\/a> by Joe Malkevitch<br \/>\n  September 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-sylvester1\">A Discrete Geometrical Gem<\/a> by Joe Malkevitch<br \/>\n  August 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-primes1\">Primes<\/a> by Joe Malkevitch<br \/>\n  June 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-oriented1\">Oriented Matroids: The Power of Unification<\/a> by Joe Malkevitch<br \/>\n  May 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-art1\">Mathematics and Art<\/a> by Joe Malkevitch<br \/>\n  April 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-partizan1\">Combinatorial Games (Part II) -Different Moves for Left and Right<\/a> by Joe Malkevitch<br \/>\n  March 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-errors1\">Digital Revolution (III) &#8211; Error Correction Codes<\/a> by Joe Malkevitch<br \/>\n  February 2003 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-matroids1\">Matroids: The Value of Abstraction<\/a> by Joe Malkevitch<br \/>\n  January 2003 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2002<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-games1\">Combinatorial Games (Part I): The World of Piles of Stones<\/a> by Joe Malkevitch<br \/>\n  December 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-links1\">Linkages (Part II) &#8211; Old Wine in New Bottles<\/a> by Joe Malkevitch<br \/>\n  November 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-compression1\">October: Digital Revolution (II) &#8211; Compression Codes and Technologies<\/a> by Joe Malkevitch<br \/>\n  October 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-linkages1\">September: Linkages: From Fingers to Robot Arms (I) Introduction<\/a> by Joe Malkevitch<br \/>\n  September 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-barcodes1\">July\/August: The Digital Revolution (I) &#8211; Barcodes: Introduction<\/a> by Joe Malkevitch<br \/>\n  August 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-apportionii1\">Apportionment II<\/a> by Joe Malkevitch<br \/>\n  June 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-apportion1\">Apportionment I<\/a> by Joe Malkevitch<br \/>\n  May 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-genome1\">Mathematics and the Genome<\/a> by Joe Malkevitch<br \/>\n  April 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-voting-introduction\">Voting and Elections<\/a> by Joe Malkevitch<br \/>\n  March 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-nets\">Nets: A Tool for Representing Polyhedra in Two Dimensions<\/a> by Joe Malkevitch<br \/>\n  February 2002 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-alberti1\">Alberti&#8217;s Perspective Construction<\/a> by Tony Phillips<br \/>\n  January 2002 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2001<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-syntax1\">Topology and Verb Classes<\/a> by Tony Phillips<br \/>\n  December 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-feynman1\">Finite-dimensional Feynman Diagrams<\/a> by Tony Phillips<br \/>\n  November 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-book1\">The Romance of Double-Entry Bookkeeping<\/a> by Tony Phillips<br \/>\n  October 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-latinii1\">Latin Squares in Practice and in Theory II<\/a> by Tony Phillips<br \/>\n  September 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-latini1\">Latin Squares in Practice and in Theory I<\/a> by Tony Phillips<br \/>\n  August 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-tidesiii1\">Fourier Analysis of Ocean Tides III<\/a> by Tony Phillips<br \/>\n  June 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-tidesii1\">Fourier Analysis of Ocean Tides II<\/a> by Tony Phillips<br \/>\n  May 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-tidesi1\">Fourier Analysis of Ocean Tides I<\/a> by Tony Phillips<br \/>\n  April 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-orbits1\">A New Solution to the Three Body Problem &#8211; And More<\/a> by Bill Casselman<br \/>\n  March 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-shell1\">The Mathematical Study of Mollusk Shells<\/a> by Tony Phillips<br \/>\n  February 2001 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-kepler1\">Celestial Mechanics on a Graphing Calculator<\/a> by Tony Phillips<br \/>\n  January 2001 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>2000<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-cass1\">Packing Pennies in the Plane<\/a> by Bill Casselman<br \/>\n  December 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-info1\">The Mathematics of Communication<\/a> by Tony Phillips<br \/>\n  November 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-mulcahy1\">Mathematical Card Tricks<\/a> by Colm Mulcahy<br \/>\n  October 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-piano1\">The Mathematics of Piano Tuning<\/a> by Tony Phillips<br \/>\n  September 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-navigation1\">Navigational Mathematics<\/a> by Tony Phillips<br \/>\n  August 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-cusp1\">The Catastrophe Machine<\/a> by Tony Phillips<br \/>\n  June 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-visual1\">Visual Explanations in Mathematics<\/a> by Tony Phillips<br \/>\n  March 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-dna-abc1\">The ABC of DNA Computing<\/a> by Tony Phillips<br \/>\n  February 2000 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-archimedes1\">The Method of Archimedes<\/a> by Tony Phillips<br \/>\n  January 2000 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>1999<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-catscan1\">The Mathematical CAT scan<\/a> by Tony Phillips<br \/>\n  December 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-metonymy1\">Metonymy and Metaphor in Mathematics<\/a> by Tony Phillips<br \/>\n  November 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-sphericon1\">The Differential Geometry of the Sphericon<\/a> by Tony Phillips<br \/>\n  October 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-descartes1\">Descartes&#8217; Lost Theorem<\/a> by Tony Phillips<br \/>\n  September 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-irrational1\">The Most Irrational Number<\/a> by Tony Phillips<br \/>\n  August 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-mi1\">Multiple Mathematical Intelligences<\/a> by Tony Phillips<br \/>\n  June 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-codes1\">From Euclid and Euler to Public-key Codes<\/a> by Tony Phillips<br \/>\n  May 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-knots1\">Knots and their Polynomials<\/a> by Tony Phillips<br \/>\n  April 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-canons\">Math and the Musical Offering<\/a> by Tony Phillips<br \/>\n  March 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-grav_lens\">Gravitational Lensing and Geometric Lensing<\/a> by Tony Phillips<br \/>\n  February 1999 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-prime-chaos\">A Prime Case of Chaos<\/a> by Steve Weintraub<br \/>\n  January 1999 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>1998<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-pi-calc\">Calculating Pi using Elementary Calculus<\/a> by Steve Weintraub<br \/>\n  December 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-factorization\">Factorization&#8211;Unique and Otherwise<\/a> by Steve Weintraub<br \/>\n  November 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-weil\">Andr\u00e9 Weil, May 6, 1906-August 6, 1998<\/a> by Steve Weintraub<br \/>\n  October 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-icm1998prizes\">Prize Winners at the 1998 International Congress of Mathematicians<\/a> by Steve Weintraub<br \/>\n  September 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-polyhedra\">Polyhedra<\/a> by Steve Weintraub<br \/>\n  August 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-turing\">Turing Machines<\/a> by Steve Weintraub<br \/>\n  July 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-circle_limit_iii\">&#8220;The Trigonometry of Escher&#8217;s Woodcut &#8220;Circle Limit III&#8221;<\/a> by Steve Weintraub<br \/>\n  June 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199805\">Newton Basins<\/a> by Steve Weintraub<br \/>\n  May 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199804\">Quadric Surfaces<\/a> by Steve Weintraub<br \/>\n  April 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199803\">1998 Mathematics Awareness Week<\/a> by Steve Weintraub<br \/>\n  March 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199802\">Tiling the Poincar\u00e9 Disk<\/a> by Steve Weintraub<br \/>\n  February 1998 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-black-scholes-ito\">The Mathematics Behind the Nobel Prize in Economics<\/a> by Steve Weintraub<br \/>\n  January 1998 <\/details>\n<hr \/>\n<details>\n<summary>\n<h3>1997<\/h3>\n<\/summary>\n<p>  <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199712\">G. H. Hardy (1877-1947)<\/a> by Steve Weintraub<br \/>\n  December 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199711\">Fourier Approximation<\/a> by Steve Weintraub<br \/>\n  November 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199710\">J. J. Sylvester (1814-1897)<\/a> by Steve Weintraub<br \/>\n  October 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199709\">An Aperiodic Tiling<\/a> by Steve Weintraub<br \/>\n  September 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199708\">Pathfinder pictures from Mars<\/a> by Steve Weintraub<br \/>\n  August 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199707\">Mathematical Insights for Medical Imaging<\/a> by Steve Weintraub<br \/>\n  July 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199706\">You Can&#8217;t Always Hear the Shape of a Drum<\/a> by Steve Weintraub<br \/>\n  June 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199705\">A Wallpaper Pattern<\/a> by Steve Weintraub<br \/>\n  May 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199704\">Hyperbolic Space Tiled by Dodecahedra, 1<\/a> by Steve Weintraub<br \/>\n  April 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199703\">Mathematics Awareness Week 1997<\/a> by Steve Weintraub<br \/>\n  March 1997 <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-199702\">The Unknotting Number of a Knot<\/a> by Steve Weintraub<br \/>\n  February 1997 <\/details>\n","protected":false},"excerpt":{"rendered":"<p>Feature Column Authors DAVID AUSTIN BILL CASSELMAN COURTNEY GIBBONS JOSEPH MALKEVITCH TONY PHILLIPS SARA STOUDT URSULA WHITCHER The Archive 2019 You&#8217;re in for a shock by David Austin December 2019 Why 95% ? by Bill Casselman November 2019 Topological Quantum Field Theory for Vampires by Ursula Whitcher October 2019 Pretty<span class=\"more-link\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/archive\/\">Read More &rarr;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":793,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"footnotes":""},"class_list":["entry","author-admin","post-52","page","type-page","status-publish","has-post-thumbnail"],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/pages\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/comments?post=52"}],"version-history":[{"count":8,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/pages\/52\/revisions"}],"predecessor-version":[{"id":891,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/pages\/52\/revisions\/891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/media\/793"}],"wp:attachment":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/media?parent=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}