One third of the electricity produced on earth is used to power electric light bulbs!
75
One barrel of petroleum holds 42 gallons.
20
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
Balsa wood is classified as a hard wood!
41
Iron weighs more after it rusts.
68
Cold water weighs more than hot water.
93
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