An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Jumbo jets use 4,000 gallons of fuel to take off.
19
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The life boat was patented in 1845!
29
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The IRS processes more than 2 billion pieces of paper each year.
28