Engineering
In a world experiencing increased heat stress, a zero-carbon-emission cooling technology that consumes no electricity, operating instead by shedding heat directly into outer space, would be a groundbreaking advance. However, ...
Aug 29, 2023
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119
Engineering
As the world gets warmer, the use of power-hungry air conditioning systems is projected to increase significantly, putting a strain on existing power grids and bypassing many locations with little or no reliable electric ...
Sep 20, 2022
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230
Engineering
The international consensus is that reaching carbon emission peak and subsequent carbon neutrality are to be considered the main global challenges. Research shows that building energy consumption accounts for more than 35% ...
May 6, 2022
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19
Energy & Green Tech
A new device harvests two types of energy during the daytime, making it cool on one end and hot on the other, to generate electricity around the clock. With further improvements, the device could be used in off-grid Internet-of-things ...
Mar 8, 2022
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43
Energy & Green Tech
An international research team led by scientists from Nanyang Technological University, Singapore (NTU Singapore) has developed a material that—when coated on a glass window panel—can effectively self-adapt to heat or ...
Dec 16, 2021
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1236
Electronics & Semiconductors
Passive cooling, like the shade a tree provides, has been around forever.
Feb 8, 2021
0
204
Electronics & Semiconductors
Now that autumn is upon us, there is a large temperature gap between day and night. This is due to the temperature inversion caused by radiative cooling on the Earth's surface. Heat from the sun during the day causes its ...
Oct 20, 2020
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54
Energy & Green Tech
A research team led by UCLA materials scientists has demonstrated ways to make super white paint that reflects as much as 98% of incoming heat from the sun. The advance shows practical pathways for designing paints that, ...
Jul 9, 2020
1
232
Engineering
Imagine a device that can sit outside under blazing sunlight on a clear day, and without using any power cool things down by more than 23 degrees Fahrenheit (13 degrees Celsius). It almost sounds like magic, but a new system ...
Oct 30, 2019
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1118
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
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971
