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This story is republished with permission from Txchnologist, a digital magazine that follows innovation in science and technology.
We’re at the beginning of a new lighting revolution — the world is slowly switching over from the energy hogs of the last century to efficient light-emitting diodes (LEDs).
But the goal of making a LED bulb that produces warm, white light is still the subject of intense research. It turns out that creating materials that can emit a broad spectrum of wavelengths mimicking natural light is a tricky business.