Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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 chemists made a replica of a trophy the size of one molecule.
68
The storage capacity of human brain exceeds 4 Terrabytes.
140
The sun is 330,330 times larger than the earth.
75
Sound travels fifteen times faster through steel than through air.
134
The average temperature at 40,000 feet above sea level is -60 F.
56
Iron weighs more after it rusts.
68