/news/tags/leds LEDs en-US Copyright Thu, 09 Jan 2020 22:48:00 GMT /news/health-science/2020-01-09/exploradio-origins-using-physics-to-increase-energy-efficiency-of-leds You may know semiconductors from computers: they’re a material somewhere between an electrical conductor and an electrical insulator that can be used as… Thu, 09 Jan 2020 22:48:00 GMT /news/health-science/2020-01-09/exploradio-origins-using-physics-to-increase-energy-efficiency-of-leds Kellen McGee