To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Sony researchers have developed a refrigerator that only opens when you smile.
9
The first alarm clock could only ring at 4 a.m.
120
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Any modern jet is capable of breaking the sound barrier.
34
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
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5