A small airplane can fly backwards.
75
The ball on top of a flagpole is called a 'truck'.
24
Sony researchers have developed a refrigerator that only opens when you smile.
9
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7