The 'Terminator' Polymer: I'll Be Back

Posted on the 22 September 2013 by Gerard @presurfer
After slicing a tube of gelatinous material in half with a razor, researchers stick the two pieces back together again. After they've sat for two hours at room temperature, the pieces are impossible to pull apart. The material, a new invention, has healed itself.

YouTube link
(via Popsci)