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It's all theoretical at this point but the phenomenon could lead to a working gamma laser or "graser".
In the early 60s, when I was barely a teenager, there was an article in Scientific American about the gamma ray laser, graser, gaser, call it what you will.
I also can't think of what you'd use as a backstop to prevent said graser from annihilating everything in a straight line in front of it if it fired for more than a few nanoseconds...
Eye-searing graser flashes illuminate the rusting bones of once-mighty buildings.
"Go, Commander, though I'm getting minor stress indica-tors from the graser.