Kleenex tissues were originally used as filters in gas masks.
46
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 American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36
Energy is being wasted if a toaster is left plugged in after use.
21
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
A small airplane can fly backwards.
75
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43