An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The cigarette lighter was invented before the match.
210
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
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Sony researchers have developed a refrigerator that only opens when you smile.
9
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27