Nuclear Fusion Scientists Successfully Recreate Net Energy Gain

[…] Reuters reports that scientists with the Lawrence Livermore National Laboratory’s National Ignition Facility in California repeated a fusion ignition reaction. The lab’s first breakthrough was announced by the U.S. Department of Energy in December. While the previous experiment produced net energy gain, a spokesperson from the lab told the outlet that this second experiment, conducted on July 30, produced an even higher energy yield. While the laboratory called the experiment a success, results from the test are still being analyzed.


While fusion reactions are a staple in physics, scientists previously had to grapple with the notion that they required more energy in than they produced, making the net energy gain in both reactions a noteworthy result. The Department of Energy revealed in its December announcement that the fusion test conducted by the laboratory at that time required 2 megajoules of energy while it produced 3 megajoules of energy. The previous fusion experiment conducted at the National Ignition Facility used 192 lasers focused on a peppercorn-sized target. Those lasers create temperatures as high as 100 million degrees Fahrenheit and pressures of over 100 billion Earth atmospheres in order to induce a fusion reaction in the target.



Source: Nuclear Fusion Scientists Successfully Recreate Net Energy Gain

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