Saturday, March 28, 2009

The World's Biggest Laser Powers Up

Fusion central: 192 lasers will shoot through openings in this spherical chamber, focusing near the tip of the cone projecting from the right. A worker in a service module can be seen at the left. Credit: Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory, and the Department of Energy

From Technology Review:

Now complete, the National Ignition Facility could soon create controlled fusion using lasers.

The most energetic laser system in the world, designed to produce nuclear fusion--the same reaction that powers the sun--is up and running. Within two to three years, scientists expect to be creating fusion reactions that release more energy than it takes to produce them. If they're successful, it will be the first time this has been done in a controlled way--in a lab rather than a nuclear bomb, that is--and could eventually lead to fusion power plants.

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