and e

Mathematics and other neat things

This is called a tribar. It was discovered by Roger Penrose when he was in college in the 50’s. I think this picture is from his book Road to Reality.

This is called a tribar. It was discovered by Roger Penrose when he was in college in the 50’s. I think this picture is from his book Road to Reality.

(via 2779th)

6 months ago

  1. ipiphi reblogged this from 2779th and added:
    tribar. It was discovered by Roger Penrose when he was in college in the 50’s. I think this picture is from his book...
  2. 2779th posted this