Engineering
In a giant leap for future hypersonic flight, Chinese scientists have turned to multi-scale technology to develop a revolutionary new material that has achieved record high marks in tests for vital strength and thermal insulation ...
Engineering
A thermoelectric device is an energy conversion device that uses the voltage generated by the temperature difference between both ends of a material; it is capable of converting heat energy, such as waste heat from industrial ...
Jan 13, 2021
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919
Consumer & Gadgets
Thermal-imaging sensors that detect and capture images of the heat signatures of human bodies and other subjects have recently sprung into use in thermostats to check facial temperatures for contactless COVID-19 screening ...
Jul 26, 2021
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10
Energy & Green Tech
Just like Goldilocks and her proverbial porridge, lithium-ion batteries (LIBs) perform best when the temperature range is just right—that is, neither too hot nor too cold. But this is a huge limiting factor when it comes ...
Security
Ben Gurion University reported Monday that researcher Mordechai Guri, assisted by Matan Munitz and guided by Prof. Yuval Elovici, uncovered a way to breach air-gapped systems—that's quite something considering that air-gapped ...
Engineering
Could a tank of ice or hot water be a battery? Yes! If a battery is a device for storing energy, then storing hot or cold water to power a building's heating or air-conditioning system is a different type of energy storage. ...
Nov 18, 2021
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739
Energy & Green Tech
Geothermal energy is an energy source of increasing importance. In the pursuit of energy efficiency to achieve set climate goals, it is important to get to understand the technical challenges in detail. The plastic pipes ...
Nov 5, 2020
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7
Electronics & Semiconductors
A team of researchers from UCLA has unveiled a first-of-its-kind stable and fully solid-state thermal transistor that uses an electric field to control a semiconductor device's heat movement.
Nov 2, 2023
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39
Engineering
About 750 million people in the world do not have access to electricity at night. Solar cells provide power during the day, but saving energy for later use requires substantial battery storage.
Apr 5, 2022
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675
Electronics & Semiconductors
How do you pack more power into an electric car?
Aug 28, 2018
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383
