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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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A scalding hot 'sand battery' is now heating a small Finnish townEngineers create a sand battery that they say will slash the carbon emissions in Pornainen, Finland, by 70% — it uses renewables to heat the sand to almost 850 degrees Fahrenheit.
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Secretive X37-B space plane to test quantum navigation system — scientists hope it will one day replace GPSThe experimental sensor could be groundbreaking.
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China builds record-breaking floating wind turbine — it could change the face of renewable energyFloating offshore wind turbines open a whole new playing field for energy companies, which have so far had to stick to shallow waters.
6 Commentsengineering
