The cigarette lighter was invented before the match.
210
The first alarm clock could only ring at 4 a.m.
120
The average car produces a pound of pollution every 25 miles!
18
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
