Energy is being wasted if a toaster is left plugged in after use.
21
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
The first alarm clock could only ring at 4 a.m.
120
In the early 1960's, Porsche commercially manufactured farm tractors.
24
There are only 14 blimps in the world.
69
Sony researchers have developed a refrigerator that only opens when you smile.
9
A small airplane can fly backwards.
75
