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starship-design: Re: On the use of vacuum for interstellar travel
Timothy replies to Kevin:
>Um, that's the first law, the second law states that you cannot take a
>bunch of low-grade thermal energy, and turn it into a small amount of
>high grade thermal energy without wasting some of it to the environment,
>and importing some work. i.e. entropy.
You're right, the second law is the law of increase of entropy, I was
confused by an other statement in my book.