## Encryption and HUGE numbers – Numberphile

Banks, Facebook, Twitter and Google use epic numbers – based on prime factors – to keep our Internet secrets. This is RSA public-key encryption.

Banks, Facebook, Twitter and Google use epic numbers – based on prime factors – to keep our Internet secrets. This is RSA public-key encryption.

The Museum of Mathematics Gala Grand Opening

MoMath opened 12/12/12. For visitor information, seehttp://momath.org

A bit about zero – including a discussion of its even-ness!?

Pythagoras had a problem with beans and irrationality. What really happened? I don’t know! The square root of two is irrational, and beans are delicious.

Standup mathematician Matt Parker says this 27-card trick is the most mathematically beautiful – but it takes some explaining!

The tin asks: “What’s the biggest number you can make?”

Sounds like a challenge!