The Amazing Mathemagician
Recommend
Watch this TED video featuring "mathemagician" Arthur Benjamin as he races a team of calculators to figure out 3-digit squares in his head. He even figures out a 4-digit and a 5-digit square in his... (more info)

Watch this TED video featuring "mathemagician" Arthur Benjamin as he races a team of calculators to figure out 3-digit squares in his head. He even figures out a 4-digit and a 5-digit square in his head in less than 30 seconds.

Related Article: Has a Surfer Discovered the Theory of Everything?

most watched: theater videos