Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
In zero gravity, a candle's flame is round and blue.
16
The force of a suction cup is calculated using F=AP.
15
Diamonds can be shattered with a hammer.
-104
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Most dust particles in your house are made from dead skin!
67
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13