Science
Groundbreaking laser of ghostly particles may be impossible to build
A year ago, researchers made a splash with a wildly creative idea for building a laser from notoriously elusive particles, but a new analysis shows this is probably impossible
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/ Email Print Hopes that we could build a neutrino laser have been dashed Sergey Nivens 1/Alamy Ghostly particles called neutrinos pose some of the biggest mysteries of modern physics, but researchers thought they could get a handle on them by corralling them into a laser beam. Two new analyses show that neutrinos are more slippery than that, making the proposed neutrino laser design impossible.
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