Thursday, August 2, 2012

Super Powerful Laser Debuts


 


BELLA petawatt laser at LBL
BELLA laser. Credit: Roy Kaltschmidt, Lawrence Berkeley National Laboratory

Blink and you’ll miss it. Don’t blink, and you’ll still miss it.
Imagine a device capable of delivering more power than all of the world’s electric plants. But this is not a prop for the next James Bond movie. A new laser at Lawrence Berkeley National Laboratory was put through its paces July 20, delivering pulses with a petawatt of power once per second. A petawatt is 1015 watts, or 1,000,000,000,000,000 watts—about 400 times as much as the combined instantaneous output of all the world’s electric plants.

MORE: http://blogs.scientificamerican.com/observations/2012/08/01/berkeley-laser-fires-pulses-hundreds-of-times-more-powerful-than-all-the-worlds-electric-plants-combined/

Source: Scientific American Magazine

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1 comment:

  1. 1/400 of 10^15 watts is 2.5 TW (terawatts), but electricity is not produced at 100% efficiency; the typical values range from 30% to 40%. This implies that the fuel being burned to produce electricity globally is about 6 to 8 TW. At 8 TW, that would be HALF of ALL energy used by mankind, which is way off. See http://en.wikipedia.org/wiki/World_energy_consumption#By_sector

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