A small airplane can fly backwards.
75
Any modern jet is capable of breaking the sound barrier.
34
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
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 first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
