An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The first alarm clock could only ring at 4 a.m.
120
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
The average car produces a pound of pollution every 25 miles!
18