A cubic yard of air weighs about 2 pounds at sea level.
31
According to studies, men change their minds two to three times more often than women.
72
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
Sound travels fifteen times faster through steel than through air.
134
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The sun is 330,330 times larger than the earth.
75