Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Diamonds can be shattered with a hammer.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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