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nobels scooped by blue leds and our brain\'s satnav
Click here and here to read two earlier, longer versions of the story. If this year\'s Nobel Prize in Physics could save the world, it would be too much, but it will undoubtedly improve efficiency.
The award was awarded to three physicists who invented the blue LED, which changed the way we lit up the streets, watched movies, and stored data.
Isamu Akasaki and amshi Amano of Nagoya University in Japan shared the award with nak tree of UC Santa Barbara.
Blue LEDs are at the heart of energy
Efficient lighting and Blu-ray
Ray discs stores five times as much data as a dvd.
The three companies address some of the key manufacturing issues that limit light at longer wavelengths from LEDs to red and orange.
Because the LED light comes from the quantum process inside the semiconductor, it is more effective than an incandescent lamp that loses energy as heat.
LEDs last 100,000 hours, 10 times longer than fluorescent lamps and 100 times longer than incandescent lamps.
Colin Humphries of the University of Cambridge says lighting currently consumes the fifth of all electricity.
\"In the UK alone, switching to led can save 2 billion or more.
\"The Nobel Prize in Physiology or Medicine was shared by John O\'Keefe and May of University College London --
Britt Moser and Edvard Moser are both at the Norwegian University of Science and Technology in tronham.
They have positioned our \"internal GPS\" specific cells in the brain to help us navigate our world.