@paulbaumgart you can make nuclear planes (theoretically), there was a bit of a race in the 20th C until they realised submarines are easier
What's the most likely replacement for jet fuel? Batteries seem like they're gonna be too heavy for a good while yet.
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@owen_flanagan Gonna rule that one out on safety grounds :-P - 1 more reply
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@SamuelCox@paulbaumgart Those things are so slow though and can barely carry anything. Passengers are heavy and want to move fast. - 3 more replies
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@paulbaumgart Or just synthetic Jet fuel, the tech exists and jet fuel is already really expensive anywayThanks. Twitter will use this to make your timeline better. UndoUndo
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@paulbaumgart Robert Laughlin makes case that we need carbon based jet fuel because of energy/weight ratio. See “Powering the Future”Thanks. Twitter will use this to make your timeline better. UndoUndo
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