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

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.