Category: Physics

The science of matter and energy and of interactions between the two, grouped in traditional fields such as acoustics, optics, mechanics, thermodynamics, and electromagnetism, as well as in modern extensions including atomic and nuclear physics, cryogenics, solid-state physics, particle physics, and plasma physics.

Electricity Discoveries by Benjamin Franklin, How to Make a Leyden Jar Experiment Franklin Flies a Kite As it turns out, Benjamin Franklin did not discover electricity. What’s more, the kite he famously flew in 1752 while conducting an experiment was …

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Beam me up Scotty. Star Trek fans who watch as captains Kirk and Picard are beamed from the Starship Enterprise to a nearby planet want to believe that such instantaneous transport of matter, called teleportation, is actually possible. But is …

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A brief history of electricity Picture: Nikola Tesla (1856–1943) pioneered the alternating current power system most of us use today. Even so, his rival, Thomas Edison (1846–1931), is still popularly remembered as the inventor who gave the world electric power. …

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Making electricity Just as electricity can make magnetism, so magnetism can make electricity. A dynamo is a bit like an electric motor inside. When you pedal your bicycle, the dynamo clipped to the wheel spins around. Inside the dynamo, there is a heavy …

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Electromagnetism Electricity and magnetism are closely related. You might have seen giant steel electromagnets working in a scrapyard. An electromagnet is a magnet that can be switched on and off with electricity. When the current flows, it works like a magnet; when the current …

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