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The sci-fi helicopter the US is building to replace the Apache

In October 2023, Sikorsky revealed its latest prototype, the RAIDER X, a next-generation helicopter concept developed for the U.S. Army’s Future Attack Reconnaissance Aircraft program and aimed at ...
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Would Helicopters Work On Mars? This Study Has A Theory For Making One

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...