Energy & Green Tech
In large parts of the developing world, people have abundant heat from the sun during the day, but most cooking takes place later in the evening when the sun is down, using fuel—such as wood, brush or dung—that is collected ...
Nov 17, 2017
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439
Energy & Green Tech
The next generation of sustainable energy technology might be built from some low-tech materials: rocks and the sun. Using a new approach known as concentrated solar power, heat from the sun is stored then used to dry foods ...
May 30, 2023
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47
Engineering
Researchers from the University of Technology Sydney (UTS) and Queensland University of Technology (QUT) have developed a new method to improve solid-state hydrogen fuel cell charging times.
Aug 12, 2022
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1061
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
Research by the Oregon State University College of Engineering has uncovered a way to improve the efficiency of a type of grid-scale storage crucial for a global transition toward renewable energy.
Jan 6, 2022
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601
Energy & Green Tech
Solar and wind power are an important part of solving the problem of climate change, but these renewable technologies on their own probably will never provide the energy for many industrial processes, like making steel.
Aug 13, 2020
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85
Energy & Green Tech
In the future, paraffin wax could help to make underground thermal storage units more durable. Such systems are used, for example, to store solar energy over a longer period of time. In a new study, geologists from Martin ...
Jul 29, 2020
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118
Engineering
The industrial production of steel, concrete, or glass requires more than 20% of Germany's total energy consumption. Up to now, 90% of the fuels used for these processes have been of fossil nature.
Apr 24, 2024
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3
Engineering
The Compression-Absorption Cascade Refrigeration Cycle (CACRC) system, merging Vapor-Compression Refrigeration (VCR) with Absorption Refrigeration Cycle (ARC), presents a promising answer to the pressing energy demands and ...
Apr 8, 2024
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3
Energy & Green Tech
Anyone who has ever hot-footed it barefoot across the beach on a sunny day walks away with a greater understanding of just how much heat sand can retain. That ability is expected to play a vital role in the future, as technology ...
Mar 29, 2024
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