Street Genius S02E12 - Human Cannonball

Host Tim Shaw explores why things do what they do by setting up some sensational experiments. First, find out which volatile combination will be enough to fire a life-sized dummy out of a massive cannon - will it be lumps of dry ice, antacid tablets in water, mints and cola or baking soda and vinegar? Then, Tim shows us how to balance 18 nails on the head of one, explains why you can't eat more than a few crackers in under a minute and demonstrates the best way to separate egg yolks from whites. Finally, Tim takes us to the scrap yard for an experiment that seems to bend the laws of gravity.