This always cracks me up and I just want a giant poster of it in every lab.
Maureen Clemmons used Egypt’s historical clues to form the theory that pyramids were built using kites. To help test it, a team from Caltech raised a 15-foot, 6,900 lb. obelisk using only a kite, pulley system, and support frame. It only took 25 seconds to lift it. Source
Disney turned down the chance to make Back to the Future claiming the mother/son relationship was too risqué. For more movie facts and trivia follow movie