Sony researchers have developed a refrigerator that only opens when you smile.
9
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
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
A toaster uses almost half as much energy as a full-sized oven.
33
Originally, Nintendo was a playing card manufacturer.
70
The IRS processes more than 2 billion pieces of paper each year.
28