The first alarm clock could only ring at 4 a.m.
120
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
Car airbags kill 1 person for every 22 lives that they save.
80
The ball on top of a flagpole is called a 'truck'.
24
A small airplane can fly backwards.
75
