Faraday Cage - Electricity is the lifeblood of many aspects...

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Electricityis the lifeblood of many aspectsof our world. Without volts and amps, many of our technological innovations would cease to exist. Even our bodies wouldn't function without an electrical charge zipping through our cells. But whatelectricity gives, electricity can take away.Although this form of energy is vital to so much of our lives, it's one of those things that are onlygood in the right amounts. Too much electricity can electrocute people. Likewise, it can kill our modern electronics and machines.But thanks to Michael Faraday, the brilliant 19th-century scientist, and one of his namesake inventions, the Faraday cage, we humans have developed plenty of ways to control electricity and make it safer for our computers, cars and other inventions -- and for us, too.Faraday cages shield their contents from static electric fields. An electric fieldis a force field surrounding a charged particle, such as an electron or proton.These cages often look distinctly, well, cagelike. Some are as simple as chain-link fences or ice pails. Others use a fine metallic mesh. Regardless of their exact appearance, all Faraday cages take electrostatic charges, or even certain types of electromagnetic radiation, and distribute them around the exterior of the cage.Electromagnetic radiationis all around us. It's in visible and ultraviolet light, in the microwaves that cook our food and even in the FM and AM radio waves that pump music through our radios. But sometimes, this radiation is undesirable and downright disruptive. That's where Faraday cages come in.

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Term
Spring
Professor
N/A
Tags
Electric charge, Michael Faraday, Faraday Cage, Faraday cages

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