Math explains the best way to shuffle a deck of cards and why

Everyone who has played poker or even Go Fish knows the basics of shuffling cards. There's the riffle shuffle (combining two halves of a decks and making a bridge), overhand shuffling (quickly splicing cards from the deck back into the deck) and regular ol' mixing all the cards up on a table. Which way is the best? » 3/23/15 12:58pm Monday 12:58pm

Genius app instantly solves math problems by using a phone's camera

I've seen the future and it is math less and it is awesome and it is this PhotoMath app that solves math problems just by pointing your phone's camera at them. It's like a cross between a text reading camera, a supremely sophisticated calculator and well, the future. Point and solve and never do math again. » 10/21/14 8:49pm 10/21/14 8:49pm

Here's what a mathematically perfect centered pool break looks like

If you're curious about what would happen if a perfectly hit cue ball hit a perfectly aligned pool rack perfectly in the middle, well here's what it will look like. It's mathematically perfect. Not even the best pool players in the world, magnet breakers or robots can even get it to look like this. » 2/06/14 11:42pm 2/06/14 11:42pm

The sum of 1 + 2 + 3 + 4 + 5 + ... until infinity is somehow -1/12

Here's a fun little brain wrinkle pinch for all you non-math people out there (that should be everyone in the world*): the sum of all natural numbers, from one to infinity, is not a ridiculously big number like you would expect but actually just -1/12. Yes, the sum of every number from one to infinity is some weird… » 1/16/14 7:18pm 1/16/14 7:18pm

Amazing video reveals what it's like to be able to see The Matrix

Math, it's so boring. Said everyone anytime anyone ever asked them to do basic arithmetic. But it doesn't have to be! Yann Pineill & Nicolas Lefaucheux of has dispelled the notion that math is boring by making it look beautiful. Yes, beautiful. And a little bit like seeing The Matrix. » 11/07/13 8:11pm 11/07/13 8:11pm

Here's an Amazing Card Trick Bet You Will Always Win

The beauty of math and numbers and formulas and equations and so forth is that they can work without you ever understanding how the hell they work. What seems like complete randomness is actually just a math problem! Like this slick trick with a deck of cards. Take twenty or so cards and flip over five cards face… » 10/29/13 5:06am 10/29/13 5:06am

Why we will never be able to make accurate predictions

We think that, one day, with enough computational power and knowledge, we will be able to create an accurate model of weather or the human brain or any real world object or situation, thus gaining useful insight into the past, present or future. But as Esther Inglis-Arkell explains on io9, that's impossible: » 10/18/13 5:54pm 10/18/13 5:54pm

A Former Subway Worker Made a Breakthrough Discovery in Math

A completely unknown guy in the world of math has made a breakthrough discovery that will help us understand numbers better. Basically, a guy who once struggled to find a job and had to work at Subway, is helping math geniuses understand the twin prime conjecture, one of math's oldest problems. » 5/20/13 10:13pm 5/20/13 10:13pm