The United States produces enough plastic film annually to cover the entire state of Texas.
13
Sony researchers have developed a refrigerator that only opens when you smile.
9
Whale oil was used in automobile transmissions as late as 1973.
56
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There are only 14 blimps in the world.
69
A small airplane can fly backwards.
75
Any modern jet is capable of breaking the sound barrier.
34