A toaster uses almost half as much energy as a full-sized oven.
33
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The ball on top of a flagpole is called a 'truck'.
24
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There are only 14 blimps in the world.
69
Castor oil is used as a lubricant in jet planes.
-5
Sony researchers have developed a refrigerator that only opens when you smile.
9