Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Sound travels about 4 times faster in water than in air.
408
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
In zero gravity, a candle's flame is round and blue.
16