It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Jumbo jets use 4,000 gallons of fuel to take off.
19
The first alarm clock could only ring at 4 a.m.
120
Kleenex tissues were originally used as filters in gas masks.
46
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144