Castor oil is used as a lubricant in jet planes.
-5
Originally, Nintendo was a playing card manufacturer.
70
Sony researchers have developed a refrigerator that only opens when you smile.
9
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
More than a billion transistors are manufactured every second.
-25
A small airplane can fly backwards.
75
There are only 14 blimps in the world.
69