Tag Archives: mathematics

Why Are There 7 Days In a Week?

Posted on January 21, 2021 by agogo22

Why does everyone use a 7 day week, and where did it come from? Where do the names of the days come from? And who can we blame for Mondays? Here’s the true story of one of the oldest human … Continue reading →

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China’s Toughest Exam

Posted on January 12, 2021 by agogo22

America’s Toughest Exam: https://youtu.be/u03ST3ho9OU India’s most competitive exam: https://youtu.be/upOlpeJKVKA The Beijing physics paper (not translated): http://www.gaokao.com/e/20201124/5fbc… The Qinghai math paper (not translated): http://www.gaokao.com/e/20200709/5f06… 2020 gaokao exams (not an official site but a collection of exams from different regions): http://www.gaokao.com/e/20200712/5f0a… Gaokao … Continue reading →

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The Woman Who’s Rewriting Higher Category Theory

Posted on January 9, 2021 by agogo22

 

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Is the London Underground knotted?

Posted on January 3, 2021 by agogo22

Check out Geoff’s video from the same day! Thanks very much to Vicki and Geoff for all their help. If you want some more maths, and the ‘rules’ for finding a Tube Knot, check out the bonus content video on … Continue reading →

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Does Time Really Flow? New Clues Come From a Century-Old Approach to Math.

Posted on December 30, 2020 by agogo22

Natalie Wolchover Senior Writer/Editor April 7, 2020 The laws of physics imply that the passage of time is an illusion. To avoid this conclusion, we might have to rethink the reality of infinitely precise numbers. Strangely, although we feel as … Continue reading →

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The Year’s Biggest Breakthroughs in Math and Computer Science

Posted on December 30, 2020 by agogo22

For mathematicians and computer scientists, 2020 was full of discipline-spanning discoveries and celebrations of creativity. We’d like to take a moment to recognize some of these achievements. 1. A landmark proof simply titled “MIP* = RE” establishes that quantum computers … Continue reading →

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Yan, Tyan, Tethera and other sheep related historical facts…and a cross stitch sampler

Posted on December 29, 2020 by agogo22

Traditionally shepherds counted their sheep in scores – or lots of twenty – twice a day, morning and evening, just to check that they hadn’t lost any in the night.    When the shepherd got to twenty he or she would place … Continue reading →

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12 Mind Blowing Number Systems From Other Languages

Posted on December 29, 2020 by agogo22

Today is a big day for lovers of the number 12, and no one loves 12s more than the members of the Dozenal Society. The Dozenal Society advocates for ditching the base-10 system we use for counting in favor of … Continue reading →

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Maya Math

Posted on December 28, 2020 by agogo22

J&P Voelkel demonstrate Maya math – addition & subtraction.

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How To Count Past Infinity

Posted on December 24, 2020 by agogo22

Sources and links to learn more below! I’m very grateful to mathematician Hugh Woodin, Professor of Philosophy and Mathematics at Harvard, for taking the time on multiple occasions to discuss this topic with me and help me wrap my (finite) … Continue reading →

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