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I wonder if any company is seriously considering nuclear-powered planes? The energy density alone would make it extremely competitive.

And, let's be honest, in case of a crash, I'd rather walk away (or be hauled away without a limb or two) to die of cancer ten years later, than be burned to crisp in a huge fireball. Fear of radiation is overrated.

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Well, I don't think there's much consideration of nuclear power in the first place by most countries. A nuclear-powered B-36D (large bomber) was explored in the '60s though. Complications included the weight of the lead shielding to protect occupants, and that doing some routine operations in the radioactive areas required a remote controlled robot. The reactor was never used to power the aircraft, and test flights just explored the effects of radiation on everything.

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