Re: Space Travel

E=MC squared makes it unlikely a reaction-powered craft could
accellerate beyond "C" because the closer it approaches that speed,
the more mass it takes on, requiring more energy to accellerate it,
more fuel, and so on, in a loop, so you could (eventually) get
incredibly close to C with a reaction motor, assuming you had nearly
infinite power and reacton mass to run your motor, but like zeno's
paradox in philosophy, you can never quite get there, just slice up
smaller and smaller segments of "nearly there".

FTL would require some kind of mathematics and physics where you could
"throw away" the increasing mass somehow. Perhaps when we truly
understand gravity, a way may be found, but I'm not optimistic about
that.
.

Relevant Pages

  • Re: Space Travel
    ... accellerate beyond "C" because the closer it approaches that speed, ... the more mass it takes on, requiring more energy to accellerate it, ... more fuel, and so on, in a loop, so you could get ... incredibly close to C with a reaction motor, ...
    (sci.space.policy)
  • Re: Space Travel
    ... accellerate beyond "C" because the closer it approaches that speed, ... the more mass it takes on, requiring more energy to accellerate it, ... more fuel, and so on, in a loop, so you could get ... incredibly close to C with a reaction motor, ...
    (sci.space.policy)
  • Re: Space Travel
    ... accellerate beyond "C" because the closer it approaches that speed, ... the more mass it takes on, requiring more energy to accellerate it, ... places in half the original laser established waveguide time of 'c'. ...
    (sci.space.policy)
  • Re: Y.O.O the "self proclaimed GR expert". (ABSOLUTELY no help)
    ... A particle accellerated by it's own energy will follow my reasoning. ... Surely a body that is accelerating is gaining mass, ... Our mass cannot *ACCELLERATE* at all, ... This "Rest Mass", reaches 0, and yet still has 0.5KgC^2 of energy. ...
    (talk.origins)
  • Re: Y.O.O the "self proclaimed GR expert". (ABSOLUTELY no help)
    ... A particle accellerated by it's own energy will follow my reasoning. ... Surely a body that is accelerating is gaining mass, ... Our mass cannot *ACCELLERATE* at all, ... This "Rest Mass", reaches 0, and yet still has 0.5KgC^2 of energy. ...
    (talk.origins)