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rob05c  ·  3765 days ago  ·  link  ·    ·  parent  ·  post: Questions about Nasa's 'impossible' space drive answered

    extracting energy out of the quantum foam

I was under the impression the thrust came from the microwaves losing energy as they disproportionately hit one side of the chamber.

This would also contradict wired's assertion that

    A superconducting version of the EmDrive, would...not require energy just to hold things up

Anyone who knows more about physics want to weigh in?