Engineering
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 percent efficiency—a ...
Apr 13, 2022
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8184
Engineering
The energy systems that power our lives also produce wasted heat—like heat that radiates off hot water pipes in buildings and exhaust pipes on vehicles. A new flexible thermoelectric generator can wrap around pipes and ...
Jan 21, 2022
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1084
Engineering
Indoor air pollution may have met its match. Today, scientists will report that they have designed catalyst-coated lampshades that transform indoor air pollutants into harmless compounds. The lampshades work with halogen ...
Aug 16, 2023
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75
Engineering
Researchers from the University of Glasgow have developed a new type of heat pump, a flexible heat pump technology, which could help households save on their energy bills and contribute towards net-zero emissions goals.
Aug 1, 2022
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1929
Energy & Green Tech
Ambitions to make hydrogen a key energy carrier for a climate friendly future are misguided, says Anthony Patt. Wherever possible, including ground transportation and heating, we should replace fossil fuels with the direct ...
Nov 24, 2021
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85
Engineering
Cornell University is developing a system to extract energy from cattle manure to meet the campus's peak demands for heat in the winter months. In the Journal of Renewable and Sustainable Energy, scientists involved with ...
Dec 22, 2020
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211
Energy & Green Tech
Have you ever gotten relief from summertime heat by draping a wet towel over your head? If so, you've benefited from a phase-change material (PCM): a substance that releases or absorbs energy when it transitions between ...
Mar 9, 2022
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244
Energy & Green Tech
New matchbook-sized devices could convert wasted heat in our homes, offices and vehicles into an environmentally friendly source of electricity, according to a team of scientists.
Jun 24, 2020
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221
Electronics & Semiconductors
In the effort to reduce our reliance on fossil fuels, one strategy involves harvesting the waste heat that is already being produced by our energy systems. Thermoelectric generators can convert waste heat to clean electricity, ...
May 1, 2023
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49
Energy & Green Tech
A building material that combines coconuts, lemons and modified wood could one day be enough to heat and cool your home. The three renewable sources provide the key components of a wood composite thermal battery, which was ...
Mar 31, 2023
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