Energy & Green Tech
In the switch to "greener" energy sources, the demand for rechargeable lithium-ion batteries is surging. However, their cathodes typically contain cobalt—a metal whose extraction has high environmental and societal costs. ...
Jan 18, 2024
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88
Engineering
The output of wind turbines can rise or fall by 50% in a matter of seconds. Such fluctuations in the megawatt range put a strain on both power grids and the turbines themselves. A new study by researchers from the University ...
Sep 19, 2023
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121
Energy & Green Tech
Sustainable energy generation solutions such as wind, solar, and hydroelectric have long presented enticing alternatives to fossil fuels. However, several factors, including the intermittent nature of these sources and their ...
Jun 12, 2023
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7
Energy & Green Tech
With potential high density, low cost and a nature-friendly makeup, zinc-air batteries are touted to be the future of many energy devices.
May 9, 2023
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3
Electronics & Semiconductors
You may not have heard of piezoelectric materials, but odds are, you have benefitted from them.
May 8, 2023
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523
Energy & Green Tech
When Doc Brown fed his DeLorean food scraps in Back to the Future as fuel, it seemed like crazy science fiction.
May 3, 2023
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49
Energy & Green Tech
EPFL researchers have built a pilot-scale solar reactor that produces usable heat and oxygen, in addition to generating hydrogen with unprecedented efficiency for its size.
Apr 17, 2023
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1668
Hardware
A computing device that uses tiny magnetic swirls to process data has been trained to recognize handwritten numbers. Developed by RIKEN researchers, the device shows that miniature magnetic whirlpools could be useful for ...
Feb 9, 2023
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133
Energy & Green Tech
Engineers in Melbourne have used sound waves to boost production of green hydrogen by 14 times, through electrolysis to split water.
Dec 12, 2022
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2501
Electronics & Semiconductors
Mesoscopic dye-sensitized solar cells (DSCs) were invented in 1990s by Brian O'Regan and Michael Grätzel, taking on the latter's name—the world-famous Grätzel cells. DSCs convert light into electricity through photosensitizers—dye ...
Oct 26, 2022
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