A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Attics were invented in Attica.
43
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The average car produces a pound of pollution every 25 miles!
18
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Castor oil is used as a lubricant in jet planes.
-5