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Tag Archives: mathematics
Q: What Is a Hole? A: We’re Not Sure! | Kottke
How many holes does a donut have? That’s pretty easy: one. What about a straw? Two (one at each end) or just one? (Isn’t a straw just an elongated donut?) Does a coffee mug have one hole or two? Does … Continue reading
Your Daily Equation #22: 8 – 2 ÷ 2 x 3 + 4 = ?
Episode 22 #YourDailyEquation: Simple arithmetic problems go viral with people proposing all sorts of different answers. It speaks to an important concept–the order of various operations matters–but, as Brian Greene discusses, is often taught in a less-than-inspirational way in the … Continue reading
Remembering John Conway
Bay Area Artists and Mathematicians – BAAM! with Gathering 4 Gardner – G4G present Remembering John Conway Mathematician John Horton Conway died of COVID-19 on April 11, 2020. On April 25th, the Bay Area Artists and Mathematicians (BAAM!) hosted an … Continue reading
Group theory and why I love 808,017,424,794,512,875,886,459,904,961,710,757,005,754,368,000,000,000
Errors: *Typo on the “hard problem” at 14:11, it should be a/(b+c) + b/(a+c) + c/(a+b) = 4 *Typo-turned-speako: The classification of quasithin groups is 1221 pages long, not 12,000. The full collection of papers proving the CFSG theorem do … Continue reading
Why do prime numbers make these spirals?
A story of mathematical play. Home page: https://www.3blue1brown.com Brought to you by you: http://3b1b.co/spiral-thanks Based on this Math Stack Exchange post: https://math.stackexchange.com/questi… Want to learn more about rational approximations? See this Mathologer video. Also, if you haven’t heard of Ulam … Continue reading
Why is there no equation for the perimeter of an ellipse‽
A Podcast of Unnecessary Detail is out now: https://festivalofthespokennerd.com/p… Come for the Unnecessary Detail, stay for the A Podcast Of. These are my approximation equations: perimeter ≈ π[53a/3 + 717b/35 – √(269a^2 + 667ab + 371b^2)] perimeter ≈ π(6a/5 + … Continue reading
A Mathematician’s Apology
Some thoughts on the value and beauty of mathematics. A Mathematician’s Apology by G H Hardy (Free PDF) https://archive.org/details/hardy_ann… Irrationality of root 2 proof: https://archive.org/details/hardy_ann… Patreon: https://Patreon.com/tibees Twitter: https://twitter.com/TobyHendy IG: https://www.instagram.com/tibees_/ Website: http://www.tobyhendy.com The pen I use https://amzn.to/2YKgpOi Music: Reconcile … Continue reading
How Symmetry Shapes Nature’s Laws
In this 2-minute video, David Kaplan explains how the search for hidden symmetries leads to discoveries like the Higgs boson.
What Is Universality?
Quanta’s In Theory video series returned with an exploration of the mysterious mathematical pattern found throughout nature. Read about the season debut here: https://www.quantamagazine.org/the-un… Directed and animated by Emily Driscoll for Quanta Magazine
Superluminal Time Travel + Time Warp Challenge Answer | Space Time
By choosing the right path and the right reference frames, any superluminal motion can lead to information or objects returning to their origin before they depart. Matt O’Dowd will show you how to navigate such a path. Time Warp Challenge … Continue reading
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