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
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Balsa wood is classified as a hard wood!
41
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The average home creates more pollution than does the average car.
33