Joseph Herscher of Joseph's Machines (previously) constructed five different Rube Goldberg contraptions in order to make a sandwich. That in itself is not so surprising, but the mechanisms he uses along the way are astonishing. How did he know precisely how that hand mixer would act? Surely he isn't going to eat jelly out of a toy truck! He doesn't, but how its used is genius. Be sure to stay for the credits, because they get a little messy. -via Digg