An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Originally, BMW was an airplane engine manufacturer.
69
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
Jumbo jets use 4,000 gallons of fuel to take off.
19
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The cigarette lighter was invented before the match.
210
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47