Every successful invention has had a number of failures in its wake. Some failures are more spectacular than others. We are collecting the more well-known innovation failures here. If you have suggestions, send them to us via Twitter @oninnovations.
Vibrate the fat away!Why sweat when you don't have to? That was the thinking back in the 1940s and '50s, when vibrator belts were the exercise device of choice. How did they fail? They didn't burn any fat. In this photo, a woman demonstrates the vibratory exercise belt, which can be raised or lowered by using a T-handle, on Nov. 30, 1946. Associated Press