Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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The force of a suction cup is calculated using F=AP.
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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 room temperature, the average air molecule travels at the speed of a rifle bullet.
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Sound travels fifteen times faster through steel than through air.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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