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Re: starship-design: My two cents (was Re: Battleship Galactica?)
Steve VanDevender wrote:
>
> Kyle R. Mcallister writes:
> > Note to physicists: Don't repeat the causality-problems
> > with tachyons. Sagan, Drake, Orgel, Kardashev, et al have speculate on
> > this. I think I can too.
>
> Apparently they (and you) were speculating without bothering to check
> their physics. Aside from the causality problems, a quantum mechanical
> analysis of tachyons shows that they can't be used for FTL
> communication: either a tachyon travels FTL, but doesn't interact with
> our universe, or it doesn't travel FTL.
I did not know this. Can you reccomend where I could get information on
this?
>
> Authority counts for nothing in science. Just because an authority
> speculates about something doesn't mean it's true.
I suppose thats true. It was just an example though.