Energy-efficient light bulbs cost more in high-poverty areas
Energy-efficient light bulbs are more expensive and less available in high-poverty urban areas than in more affluent locations, according to a new study. Researchers explored disparities in the...
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Fireflies inspire new energy-saving LED light bulbs
Light-emitting diodes made with firefly-mimicking structures could improve efficiency, new research suggests. The new type of LED light bulb could one day light homes while reducing power bills,...
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Microscope teaches itself to shine light on the vital stuff
A new microscope can adapt its lighting angles, colors, and patterns while teaching itself the optimal settings needed to complete a given diagnostic task. In the initial proof-of-concept study, the...
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Thin films could make solar panels better and cheaper
Thin films made from barium zirconium sulfide have special electronic and optical properties that theorists predicted, researchers report. The films combine exceptionally strong light absorption with...
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Standards would boost efficiency of LED lighting in greenhouses
LED lighting can enhance plant growth in greenhouses, but standards are necessary to determine the optimal intensity and colors of light, according to a new study. The findings could improve the energy...
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Edible security tags on pills could fight fake drugs
Researchers are aiming to fight counterfeit drugs with an edible “security tag” they can embed into medicine. To imitate the drug, a counterfeiter would have to crack a complicated puzzle of patterns...
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QLED tech aims light one way to up TV energy efficiency
A new technology increases the energy efficiency of quantum dot light emitting diodes for screens by emitting high-intensity light in one direction, researchers report. By minimizing the scattering...
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Special UV lights could kill coronavirus on surfaces
Researchers are developing ultraviolet LED lights that can decontaminate surfaces—and potentially air and water—that have come in contact with the SARS-CoV-2 virus. As COVID-19 continues to ravage...
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Method gets LEDs to act more like lasers
A new method could pave the way toward more efficient and versatile LED display and lighting technology. The new approach could allow a wide variety of LED devices—from virtual reality headsets to...
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Tuned lighting helps older adults get a good night’s sleep
In a new study, tuned LED lighting cut in half the number of sleep disturbances among older residents in long-term care. Nursing home residents tend to fall asleep at all hours of the day, and periods...
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