Return of incandescent light bulbs as MIT makes them more efficient than LEDs

Researchers at MIT have shown that by surrounding the filament with a special crystal structure they can bounce back the energy which is usually lost

, --February 5, 2016

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Ever since the EU restricted sales of traditional incandescent light bulbs, homeowners have complained about the shortcomings of their energy-efficient replacements.
The clinical white beam of LEDs and frustrating time-delay of ‘green’ lighting has left many hankering after the instant, bright warm glow of traditional filament bulbs. But now scientists in the US believe they have come up with a solution which could see a reprieve for incandescent bulbs. More...

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