Amid escalating technological competition, the U.S. Air Force faces challenges in maintaining its traditional superiority ...

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But something is missing.The lust for life, the excitement, that slight twinge of panic when your brain realizes that you might need to alter your course for a minute.After you blink away the double ...

We report an increase of the superfilamentation length of a focused terawatt laser beam using a multifocal phase mask. Optimized superfilaments extend the lengt ...