An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A small airplane can fly backwards.
75
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
The IRS processes more than 2 billion pieces of paper each year.
28
There are only 14 blimps in the world.
69
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7

