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Physics & Chemistry

Scientists Fire the World’s Most Powerful Laser

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Hidden away at the Lawrence Livermore National Laboratory‘s National Ignition Facility is a terrifying 10-story laser. Recently scientists have finally started using it in anger, and now they’ve even smashed previous records to fire the most powerful laser shot ever recorded.

https://gizmodo.com/the-world-s-most-powerful-laser-will-create-tiny-stars-5818355

On July 5th, the scientists fired the 192 constituent laser beams simultaneously, before focussing them down onto a circular target just 2 millimeters in diameter. The result was a laser beam transmitting an eye-watering 500 trillion watts. That’s 1,000 times more than the entire United States uses at any given moment, and the highest-energy laser shot ever fired in real life.

The long-term plan, of course, is to use this incredibly high-powered laser to kick-start nuclear fusion reactions. So, we might even see some of that power make its way back to us at some point. [Lawrence Livermore National Laboratory via Popular Science]

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