Google’s latest hiring strategy: putting up signs around tech-geek mecca MIT with a code and the phrase, “If you can figure this out, you may have a future with Google.” No-one at the uni has cracked it yet — can you?
Code-breaking
Cracking the presidential code
About 200 years ago Robert Patterson, a mathematics professor at the University of Pennsylvania sent his friend Thomas Jefferson an encrypted note. It’s only just been cracked.








