In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Balsa wood is classified as a hard wood!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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.
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