At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Iron weighs more after it rusts.
16
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
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