Engineering is a diverse branch of science and technology devoted to designing, building, problem-solving and finding practical uses for scientific discoveries. Live Science guides you through the different types of engineering— mechanical engineering, electrical engineering, chemical engineering, aerospace engineering and many more — with explainers on everything from who invented the telephone to how Bluetooth works. Our expert writers and editors also scour the internet to break down the biggest engineering stories of the day, like biodegradable bullets or the world’s longest bridges. So, if you've got a mind for the mechanical, check out our latest engineering news, features and articles.
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Quantum battery charges in a quadrillionth of a second with a laser — larger prototypes could last for years after charging for just a minuteQuantum batteries can be charged remotely and could allow for far better energy density than conventional batteries used in devices today.
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We went to Finland to hear about the new 'sand battery' that will turn stored renewable energy back into power for the electrical gridEngineers are testing a new "sand battery" that could power industries and communities using stored renewable energy.
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China launches world first 'megawatt-class wind power airship'A pioneering energy-generating device utilizes reliable wind speeds at an altitude of 6,500 feet (2,000 meters).
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Days numbered for 'risky' lithium-ion batteries, scientists say, after fast-charging breakthrough in sodium-ion alternativeAn innovative approach to battery materials could bring sodium-ion energy density and charging speeds far closer to those of lithium-ion, scientists say.
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Japan trials 100-kilowatt laser weapon — it can cut through metal and drones mid-flightA new high-power laser system will soon be sent to sea for its first tests under maritime conditions.
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MIT invention uses ultrasound to shake drinking water out of the air, even in dry regionsA new device cuts down the time it takes to harvest water from the atmosphere from days to minutes, MIT researchers say.
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NASA’s ultraquiet supersonic 'flying swordfish' makes history with first test flightNASA and Lockheed Martin’s X-59 "quiet" supersonic plane flew for the first time in October. It’s a major step towards reintroducing commercial supersonic flight in the United States.
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Science history: The Tacoma Narrows Bridge collapses, forcing a complete rethink in structural engineering — Nov. 7, 1940One morning, the Tacoma Narrows Bridge began bouncing up and down and twisting to and fro before ultimately collapsing into the Puget Sound.
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China's new 'solar-power window coating' can capture energy and power household devicesA new technique has been developed for capturing solar power through windows, which could dramatically improve solar energy utilization, particularly for high-rise buildings.
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