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Scientists Create 230-Per Cent Efficient LED Bulbs

By Andrew Tarantola on at

Light bulbs have always required more electricity than they need to produce light because the energy conversion process — changing electricity to light — was inefficient. But an MIT research team has just shown that an LED can actually give off more light than what it consumes in electricity.

Make Your Own DIY Solar Cells From Just Grass Cuttings

By Sam Gibbs on at

Boffins from MIT have been able to turn anything green like grass clippings and other garden waste into low-tech, cheap and dirty solar power generators. They’re taking the photosynthesising complexes out of plants to create electricity-generating solar cells that you could make yourself.