Stashed in: Awesome, Math!
Reminds me of Spirograph.
I am a self-taught poker pro who has over 6 million in winnings. : IAmA
Whoa, Dude, Are We Inside a Computer Right Now?
Chart illustrating the average stock market return for 20 years is 4.1%
Ben Thomas: What's Halfway Between 1 and 9? Kids and Scientists Say 3