Electronics & Semiconductors
Energy-efficient ways of cooling buildings and vehicles will be required in a changing climate. Researchers at Linköping University have now shown that electrical tuning of passive radiative cooling can be used to control ...
Feb 1, 2023
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27
Robotics
The thermal radiation emitted by the human body is predominantly in the long-wave infrared region (8–14 μm), which is characterized by low photon energy and low power intensity.
Aug 30, 2022
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30
Engineering
Passive day cooling is a promising technology for the sustainable reduction of energy consumption. It avoids the heating up of buildings by solar radiation and dissipates accumulated heat without external energy consumption. ...
Jul 18, 2022
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369
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
Software
Capturing transparent objects in three dimensions is a major challenge. Researchers at Fraunhofer Institute for Applied Optics and Precision Engineering IOF have developed a sensor that is able to solve this problem. The ...
Mar 16, 2022
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24
Engineering
Access to clean water is a huge issue across the globe. Even in areas with water resources, a lack of infrastructure or reliable energy means purifying that water is sometimes extremely difficult.
Apr 1, 2021
1
135
Engineering
An ultrathin coating developed by University of Wisconsin-Madison engineers upends a ubiquitous physics phenomenon of materials related to thermal radiation: The hotter an object gets, the brighter it glows.
Dec 18, 2019
1
11
Energy & Green Tech
An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal Joule.
Sep 12, 2019
1
1622
Engineering
Engineers have designed a new system that can help cool buildings in crowded metropolitan areas without consuming electricity, an important innovation at a time when cities are working to adapt to climate change.
Aug 5, 2019
2
971
Engineering
Stanford University researchers, with the aid of the Comet supercomputer at the San Diego Supercomputer at UC San Diego, have engineered a low-cost plastic material that could become the basis for clothing that cools the ...
Apr 20, 2017
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7
