Many Happy Returns!
Physics / Fundamentals
The boomerang is a bent or angular throwing club with the characteristics of a multi-winged airfoil. When properly launched, the boomerang returns to the thrower. Although the boomerang is often thoug continue reading this fact
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Tick-Tock Atomic Clock
Physics / Fundamentals
Modern navigators rely on atomic clocks. Instead of old-style springs or pendulums, the natural resonances of atoms -- usually cesium or rubidium -- provide the steady 'tick' of an atomic clock. The b continue reading this fact
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Carbon Dating From The Skies
Physics / Radioactivity
Determining the age of relatively recent fossils, those of plants and animals that lived tens of thousands of years ago, is not a guessing game but an exact science. By using carbon dating we can dete continue reading this fact
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