Science's Strangest Inventions

The history of science is littered with mad, bad and delightfully dotty inventions, from the bicycle that relied for its momentum on the rider waggling his head back and forth continually to the Improved Pneumatic Advertising Hat – a bowler that hurled a lit-up billboard into the air at the touch of a button – or the suitcase that turned into a small boat for the nervous ferry passenger. Here is t...