The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Castor oil is used as a lubricant in jet planes.
-5
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20