Sound travels fifteen times faster through steel than through air.
134
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Hot water can freeze faster than cold water.
181
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55