Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One ragweed plant can release as many as one billion grains of pollen!
51
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Aluminum used to be more valuable than gold!
84