digg

Join DiggAbout

Discover and share the best of the web!
Learn more about Digg by taking the tour.

See the original image at ted.com

Arthur Benjamin: Lightning calculation and other

ted.com — In a lively show, "mathemagician" Arthur Benjamin races a team of calculators to figure out 3-digit squares in his head, performs a massive mental calculation, and guesses a few birth days. How does he do it? He'll be happy to tell you.

Bury
show profanity settings
expand all
  • christoast, on 09/04/2008, -0/+1cookie?
  •  

    Login or register to add a comment

    Create a new account or login to join in the conversation on Digg. You'll also be able to Digg stories to help promote things you like.


© Digg Inc. 2008 — Content posted by Digg users is dedicated to the public domain.
DIGG, DIGG IT, DUGG, DIGG THIS, Digg graphics, logos, designs, page headers, button icons, scripts, and other service names are the trademarks of Digg Inc.