Dan Minette wrote: > ----- Original Message ----- > From: "Robert Seeberger" <[EMAIL PROTECTED]> > To: "Killer Bs Discussion" <[email protected]> > Sent: Tuesday, August 16, 2005 11:15 PM > Subject: Re: Physics question > > >> Dan Minette wrote: >>> ----- Original Message ----- >>> From: "Robert Seeberger" <[EMAIL PROTECTED]> >>> To: "Killer Bs Discussion" <[email protected]> >>> Sent: Tuesday, August 16, 2005 8:55 PM >>> Subject: Re: Physics question >>> >>> >>>> Kevin Street wrote: >>>>> The Fool wrote: >>>>>> But what if the apparatus is cooled to very close to absolute >>>>>> 0? >>>>>> Like some kind of bose-einstein condensate? >>>>> >>>>> I suspect that the theoretical lower limit of cooling would >>>>> still >>>>> fall short of the kind of stillness needed to get an interesting >>>>> displacement in space. But I don't know, maybe the math would >>>>> say >>>>> different. >>>> >>>> My take on that question is that at the temperatures needed to >>>> cause >>>> such a displacement, the theoretical space probe would lose >>>> structural and operational integrity. >>>> >>>> At very cold temps some kinds of molecular bonds become very weak >>>> and >>>> if the displacement transmission is in any way turbulentthe craft >>>> just might disintegrate. >>> >>> Good try, but that's not it. >> >> But is my point accurate? Wouldn't the more complex materials be >> degraded at absolute zero? (To unworkability?) > > I don't think so. Some material becomes brittle, but others perform > better. Remember, superconductors, until the last decade or so, had > to be close to absolute zero to work. Absolute zero doesn't have to > affect molecular bonding, because that is just atomic physics. > >>> You were right about there being no >>> absolute space....it's just that even if the Fool properly >>> referred >>> to uncertainty in the momentum instead of absolute zero momentum, >>> there would still be quite a few problems. Even at absolute zero, >>> the wave function that describes the entire spacecraft has a >>> delta-momentum as well as a delta-x. Dan M. >> >> And for an object to have absolute zero momentum in a relativistic >> universe the entire universe and every object in it would also have >> to have absolute zero momentum. > > Zero delta momentum isn't absolute zero momentum. > <G>I wasn't responding to your point, just adding another view of why it wouldn't work.
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