It can look dumb, but I always had this question as a kid, what physical principles would prevent this?

  • Drew
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    fedilink
    614 hours ago

    No, a jet aircraft moves by pushing air behind it, the theoretical limit would have to be somehow related to that

    • @grue
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      English
      18 hours ago

      The theoretical limit could be related to either of those things; it just depends which is lower.

      (It’s almost certainly the one you mentioned.)

    • @untorquer
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      213 hours ago

      XKCD has alot of thought experiments like this.