In the trailer for the new Superman movie, Man of Steel, our Kryptonian hero has a beard which later on disappears, prompting the resurrection of an age old debate: how does Superman shave? Gillette pulled together Mythbusters Jamie and Adam, The Big Bang Theory's resident neurologist Mayim Bialik, comic book super-geek Kevin Smith and the man who brought us all up on science with his brilliant bow-ties Bill Nye. Which theory do you believe?
Bill Nye's theory involves a grinding of the beard:
Mayim Bialik believes a pleasant smelling substance is used:
Kevin Smith thinks its an out-of-this-world contraption:
While the Mythbusters think that the Large Hadron Collider has a different purpose: