Dr Mackie said 10, 000 three Mega Watt Windmills could deliver all Scotland's electricity.

BBC: Energy Committee 1

It delivers up to three times more performance per watt than the Fermi streaming multiprocessor, making it possible to build a supercomputer that delivers one petaflop of computing performance in just 10 server racks.

ENGADGET: NVIDIA outs a pair of Tesla GPUs to electrify your supercomputer

Mark Van Den Berg, managing director at VantagePoint, says Bridgelux has been able to reduce costs ten-fold and improve performance (on a lumens per watt basis) at least three-fold since 2006.

FORBES: Magazine Article

He found that the conventionally measured nominal price of light, metered in dollars per lumen per watt, rose by a factor of three to five between 1800 and 1992.

FORBES: Economic Abundance, Real and Imagined