It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
Diamonds can be shattered with a hammer.
-104
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The only letter not appearing on the Periodic Table is the letter "J".
180
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Iron weighs more after it rusts.
16
One barrel of petroleum holds 42 gallons.
20