The electric chair was invented by a dentist!
122
Energy is being wasted if a toaster is left plugged in after use.
21
Sony researchers have developed a refrigerator that only opens when you smile.
9
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Castor oil is used as a lubricant in jet planes.
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