Like this video
An amazing old calculator known as the Curta.
This video will not play. You currently do not have Adobe Flash installed on this computer. Please click here to download it (it's free!)
Share this video on Facebook
Man creates kinetic sculpture that moves and lives on its own.
Cutest bear attack ever.
NBA Rookie of the Year Kyrie Irving dresses as old man, and schools everyone.
Look at yourself after watching this.
Air Swimmers: Awesome RC flying shark and clownfish.
Share on Facebook
more share options...
Alex Bellos of the Numberphiles made this video to explore the history of the calculator. In it, we get to see a mechanical pocket calculator called the Curta Calculator, which was developed in the 1940's.