Mathematician James Grime explains why the number 82,000 is particularly interesting in a recent video by Numberphile. It all has to do with base 10 and positional notation.
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University of Nottingham physicists Tony Padilla and Ed Copeland explain how all the natural numbers from one to infinity add up to -1/12 in this video by Numberphile. They explain the mind-bending concept even further in a follow-up video, and answer some frequently asked questions and provide additional learning resources on the Periodic Videos blog….
In an episode of Numberphile, mathematician James Grimes explains a unique property of consecutive coin flips and why a person is better off better on a heads/tails pattern than heads/heads.
Folding a slice of pizza keeps the food rigid and easier to eat, and astronomer Clifford Stoll explains why in a recent episode of Numberphile. The reason has to do with Gaussian curvature and Carl Friedrich Gauss‘s Theorema Egregium (“Remarkable Theorem”).
In a recent episode of Numberphile, mathematician Alex Bellos demonstrates his custom-built elliptical pool table. The table can be used to demonstrate some interesting mathematical properties. In particular, it can be used to demonstrate elliptical focus points. When the ball is shot from the complementary focus point from the hole it should always go in, regardless…
YouTube viewers may be familiar with the odd behavior of the view counter on popular videos—that at 301 views the counter freezes for up to a day before resuming. Brady Haran (aka Numberphile) explains why this phenomenon occurs with the help of Ted Hamilton, a product manager for YouTube analytics. via Viral Viral Videos
Numberphile recorded Ryan Jones doing an 11.775 second Rubik’s Cube speed solve, and then played it back in slow motion while different mathematicians explained the math at play. This is the latest in Numberphile’s series of videos about the math behind Rubik’s Cubes and similar puzzles.
Stanford University professor and mathematician Persi Diaconis discusses and dissects some of the best and worst ways to shuffle cards in a recent video by Numberphile. They also spoke with Federico Ardila from San Francisco State University about perfect shuffles.