The life boat was patented in 1845!
29
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
About 39,000 gallons of water are used to produce the average car!
14
More than a billion transistors are manufactured every second.
-25
Originally, BMW was an airplane engine manufacturer.
69
Attics were invented in Attica.
43
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2