An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The life boat was patented in 1845!
29
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
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Jumbo jets use 4,000 gallons of fuel to take off.
19
The cigarette lighter was invented before the match.
210
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60