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Tag: Infrared
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Electrical control of passive radiative cooling
Researchers in Sweden have shown that electrical tuning of passive radiative cooling can be used to control the temperature of a material at ambient temperatures and air pressure. Passive radiative cooling occurs when thermal energy leaves an object in the form of infrared radiation. The amount they emit depends on its ability to absorb infrared […]
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Solar power after dark
A research team at the University of New South Wales (UNSW) has discovered how to harness “night-time” solar power. The team, from the School of Photovoltaic and Renewable Energy Engineering, made the breakthrough by using a semi-conductor device called a thermoradiative diode to generate electricity from the emission of infrared light. The results of the study […]