Kleenex tissues were originally used as filters in gas masks.
46
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Mico headphones read your brainwaves and select music based on your state of mind.
7
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
The life boat was patented in 1845!
29
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The first alarm clock could only ring at 4 a.m.
120