Retro-reflectors could help future cities keep their cool
Engineers at Princeton University have quantified the cooling benefits of a simple solution for beating urban heat: reflecting solar radiation back from whence it came.
Apr 17, 2024
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Engineers at Princeton University have quantified the cooling benefits of a simple solution for beating urban heat: reflecting solar radiation back from whence it came.
Apr 17, 2024
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Thermometers are an under-appreciated marvel of human ingenuity built upon an understanding of relatively simple physical principles. Mercury and alcohol thermometers rely on the volume of liquids growing or shrinking in ...
Feb 22, 2024
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Hydrogen gas is the smallest and lightest of all known molecules, which makes it easy to leak. It's colorless and odorless. Also, when concentrated above 4% in a confined space, it poses a risk of ignition or explosion.
Jan 25, 2024
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As Australia heads into an El Niño summer, UNSW's Dr. Negin Nazarian, an expert in urban climate, explains five crucial strategies to keep cities—and people—cooler.
Nov 16, 2023
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University of Maryland researchers aiming to combat rising global temperatures have developed a new "cooling glass" that can turn down the heat indoors without electricity by drawing on the cold depths of space.
Nov 13, 2023
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As organizations work to reduce their energy consumption and associated carbon emissions, one area that remains to be optimized is indoor heating and cooling. In fact, HVAC—which stands for heating, ventilation, and air ...
Oct 5, 2023
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Scientists have achieved a breakthrough in the development of non-volatile phase change memory—a type of electronic memory that can store data even when the power is turned off—in a material that has never displayed the ...
Sep 6, 2023
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Researchers at the University of Tokyo have generated electricity from latent heat, the energy created when a substance transitions from a solid, liquid or gas into another state. This achievement could push forward the possibilities ...
Jul 18, 2023
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Search teams racing to find the missing Titanic submersible have detected underwater noises in the area. But it won't be easy to find the source of that sound in the ocean.
Jun 22, 2023
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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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