How 3D printing work's -Engineering behind 3D printers

3D printers Even the best artists struggle to show us what real-world objects look like in all their three-dimensional (3D) glory. Most of the time that doesn't matter—looking at a photo or sketch gives us a good-enough idea. But if you're in the business...

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Engineering behind Headphones - How noise cancelling works?

Noise-cancelling headphones Why do people on trains and buses have to play their music so loud? Look at it from their point of view: they're trying to enjoy a nice bit of Beethoven or Schubert (as if!), but all they can hear is the deafening throb of the engine—so they...

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Engineering behind deodorants cans - How Aerosol cans works?

Aerosol cans Pssssssssssssst! Everyone loves the convenience of aerosol cans. They make it easy to paint, polish, and lubricate—and lots of other household chemicals, from deodorants and hairsprays to air fresheners and detergents, come in them too....

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Engineering behind 3D TV - How 3D phenomenon works?

3D TV Back in the 1890s, when French cinema pioneers Auguste and Louis Lumière screened their early movie of a train arriving at a station, legend has it that terrified members of the audience dived to one side to get out of its way. Despite all kinds of technological...

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Engineering behind Electroplating

Electroplating There's no such thing as alchemy—magically changing common chemical elements into rare and valuable ones—but electroplatingis possibly the next best thing. The idea is to use electricity to coat a relatively mundane metal, such as copper,...

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