More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The first alarm clock could only ring at 4 a.m.
120
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
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