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Nov. 4, 2020 —The right indoor lighting can help set the mood, from a soft romantic glow to bright, stimulating colors. But some materials used for lighting, such as plastics, are not eco-friendly. Now, ...
Oct. 29, 2020 —When satellites take pictures of Earth at night, how much of the light that they see comes from streetlights? A team of scientists have answered this question for the first time using the example of ...
Jan. 11, 2021 —Researchers demonstrate that 3D optical imaging can be performed with a cell phone and LEDs without requiring any complex manual processes to synchronize the camera with the ...
Apr. 1, 2021 —Substituting the inefficient glazing areas of buildings with energy-efficient smart glazing windows has great potential to decrease energy consumption for lighting and temperature ...
Aug. 3, 2022 —Researchers have designed smart, color-controllable white light devices from quantum dots -- tiny semiconductors just a few billionths of a meter in size -- which are more efficient and have better ...
Nov. 30, 2020 —Research is paving the way for a new solution to kill aerosolized COVID-19 in enclosed environments such as hospitals and long-term care facilities. Computational modelling has shown that low dose ...
Nov. 4, 2020 —Though we may not always realize it, photodetectors contribute greatly to the convenience of modern life. Also known as photosensors, photodetectors convert light energy into electrical signals to ...
Apr. 28, 2021 —To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...
Oct. 18, 2022 —摩托车司机27倍更有可能死亡in an accident than those in regular passenger vehicles. Night driving is especially dangerous, accounting for nearly half of all fatal ...
July 1, 2021 —Researchers describe a new approach for digitizing color. It can be applied to cameras and displays -- including ones used for computers, televisions and mobile devices -- and used to fine-tune the ...