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
Most dust particles in your house are made from dead skin!
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The bark of an older redwood tree is fireproof.
65
Diamonds can be shattered with a hammer.
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Most dust particles in your house come from dead skin.
48