An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Originally, Nintendo was a playing card manufacturer.
70
The cigarette lighter was invented before the match.
210
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Whale oil was used in automobile transmissions as late as 1973.
56
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Car airbags kill 1 person for every 22 lives that they save.
80