Sony researchers have developed a refrigerator that only opens when you smile.
9
Kleenex tissues were originally used as filters in gas masks.
46
Originally, Nintendo was a playing card manufacturer.
70
The ball on top of a flagpole is called a 'truck'.
24
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Any modern jet is capable of breaking the sound barrier.
34