TED Talks

Arthur Benjamin does 'Mathemagic' (2005x12)

Ημερομηνία προβολής: Φεβ 01, 2005

In a lively show, mathemagician Arthur Benjamin races a team of calculators to figure out 3-digit squares, solves another massive mental equation and guesses a few birthdays. How does he do it? He’ll tell you.