Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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A cesium atom in an atomic clock beats over nine billion times a second.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Sound travels fifteen times faster through steel than through air.
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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Cold water weighs more than hot water.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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The force of a suction cup is calculated using F=AP.
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