An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
There are only 14 blimps in the world.
69
Kleenex tissues were originally used as filters in gas masks.
46


