An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Energy is being wasted if a toaster is left plugged in after use.
21
Any modern jet is capable of breaking the sound barrier.
34
The cigarette lighter was invented before the match.
210
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0