Skip to main content

Safe Cracking with Feynman - Numberphile

1,015,935 Views

302 Questions Answered

Best of Web

Let’s Begin…

Professor Roger Bowley chats with Brady Haran from Numberphile about some of the ways legendary physicist Richard Feynman cracked safes (filing cabinets) at Los Alamos during the Manhattan Project.

When you add in the fact that the number above and below the number you check can open the safe, how many combinations do you have?

Sign in to answer question

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

More from Math In Real Life