Hm—how truly green ARE those green LED’s? This is Sandra Tsing Loh with the Loh Down on Science. Computers, phones, lamps – our world runs on LEDs! But so much electricity! And to make colors, red, blue, and green lights have to be combined, via an energy-sapping color filter. D.J.
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See windows in a whole new light! This is Sandra Tsing Loh with the Loh Down on Science. Renewable energy – it’s the wave of the future! Solar is popular, but huge rooftop panels don’t grab everything. What about the light streaming through our windows? Could we capture and harness
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See windows in a whole new light! This is Sandra Tsing Loh with the Loh Down on Science. Renewable energy – it’s the wave of the future! Solar is popular, but huge rooftop panels don’t grab everything. What about the light streaming through our windows? Could we capture and harness
Continue reading