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
Jumbo jets use 4,000 gallons of fuel to take off.
19
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Whale oil was used in automobile transmissions as late as 1973.
56
The cigarette lighter was invented before the match.
210
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2