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Originally posted by Kashai
Agreed, from the context to scale. Say for example one has an object who's weight on Earth is about 10 grams. In order to achieve beyond te speed of light (according to Einsteins theory) that object would somehow exceed, infinite density.
Clearly infinite density is related to electron spin...in the case of matter, electron spin, that makes something solid is anywhere between 10 to 50 % that of light.
Exceeding that speed would effectively increase density, say for example in the context of a sphere.
Given the example, of an object (as above) that spun beyond 50% of light, that object could effectively go beyond that of light...considering electron spin as a constant relative to postion and the relative issue of the
speed of light under such circumstances.
Any thoughts?edit on 28-8-2012 by Kashai because: modifed contentedit on 28-8-2012 by Kashai because: added content
Originally posted by Kashai
A recent breakthrough has moved the concept of a "warp drive" another step along its path from a fictional SF prop-idea to a well founded physics concept that might one day be realized. This improvement on the Alcubierre warp drive was devised by general relativity theorist Chris Van Den Broeck of the Catholic University of Leuven in Belgium. He has eliminated seemingly insurmountable problems with the Alcubierre warp-drive scheme. His improvement employs topological gymnastics to keep the interior of the warp bubble large while making its external surface very small. But before describing Van Den Broeck’s work, I’ll summarize the Alcubierre warp drive concept itself, first featured in my column (#81) in the November-‘96 Analog.
Until 1994 a "warp drive" was one of the myths of science fiction, a rubber-science concept used principally to permit space-opera heroes to flit from one star system to another at faster-than-light speeds, moving the plot forward in the process. Those familiar with the laws of physics saw the warp drive as a flagrant violation of the principles of special relativity, conservation of energy, and physics-as-we-know-it. It was tolerated as an excessive but perhaps necessary use of literary license by SF authors.
The status of the warp drive changed dramatically in 1994, when Dr. Miguel Alcubierre published a paper entitled "The Warp Drive: hyper-fast travel within general relativity" in the journal Classical and Quantum Gravity. Alcubierre is a theoretical physicist from Mexico who in 1994 was working at the University of Wales and is now at the Albert Einstein Institute in Potsdam, Germany. Also a fan of SF, he was steeped in the SF tradition and turned his physics expertise to the task of considering how a warp drive might be constructed within the restrictions of general relativity, our present "standard model" of gravity. Alcubierre constructed a "metric", a mathematical specification of the curvature of space-time that had all the characteristics of a SF warp-drive including the capability for faster-than-light travel. Surprisingly, Alcubierre’s warp-drive metric is a solution of Einstein’s equations of general relativity and is completely consistent with them. Science fiction’s warp drive had been given a consistent theoretical and mathematical basis.
www.npl.washington.edu...
Any thoughts?
Any thoughts?
Originally posted by chr0naut
Originally posted by Kashai
Agreed, from the context to scale. Say for example one has an object who's weight on Earth is about 10 grams. In order to achieve beyond te speed of light (according to Einsteins theory) that object would somehow exceed, infinite density.
Clearly infinite density is related to electron spin...in the case of matter, electron spin, that makes something solid is anywhere between 10 to 50 % that of light.
Exceeding that speed would effectively increase density, say for example in the context of a sphere.
Given the example, of an object (as above) that spun beyond 50% of light, that object could effectively go beyond that of light...considering electron spin as a constant relative to postion and the relative issue of the
speed of light under such circumstances.
Any thoughts?edit on 28-8-2012 by Kashai because: modifed contentedit on 28-8-2012 by Kashai because: added content
Firstly, Einsteins theory shows that objects approaching the speed of light approach infinite mass, not density.
True, though mass and density are relatable.
Secondly, electron spin states are not actually related simply to the rotation of the electron, but is a measurement of the quantum state of the electron which has no equal counterpart in classical mechanics. Spin quantum numbers are unitless numbers, not velocities.
unitless (not comparable)
1.The property of a number as having no units of measurement, such as a ratio or percentage of two numbers which have the same units.
electron spin relates to angular momentum
electron spin is the electron’s
electromagnetic field angular momentum
Electrons are also only one of many fundamental particles and so are insufficient as an explanation for the density of ALL matter.
Nor do electrons account for the solidity of matter. For example, metals contain a positive ionic charge, i.e: their outer electron shell is incomplete in regard to the number of electrons it can carry, in contrast, non-metals carry a negative ionic charge. Despite these polar differences, both metals and non metals can be solid, liquid or gas, depending upon conditions unrelated to the electrons involved.
It may be that what we are talking about here is being confused by the inadequacy of language and metaphor to accurately describe physics at the limits.
A new approach to generating the warp bubble necessary for warp drive has been
proposed; this warp bubble would theoretically allow a spacecraft to travel at arbitrarily
high velocities. One vital aspect of future research in this area would involve studying
how to locally manipulate an extra dimension. String theory suggests that dimensions are
globally held compact by strings wrapping around them; if this is indeed the case, then
it may be possible to locally increase or decrease the string tension, or even counter the
effects of some string winding modes. This would achieve the desired effect of changing the
size of the extra dimensions, which would theoretically lead to propulsion at greater than
lightspeed.
This approach, although highly theoretical at this stage, gives us a glimpse as to how
one might address the problems associated with the vast distances involved in interstellar
travel, and also opens up exciting new avenues for future research.
Originally posted by ImaFungi
reply to post by chr0naut
what about a warp drive,,,, that made copies of the entire human, particle for particle,, and then thee particles were shot into space, entangled and in order,, at near light speed,,, towards an presumed inhabitable planet,, in which before they reached it there speed was somehow slowed down so that the particles would gain mass, and return into a massive human form,.,.,..,,.
I know,, sloppily, fancifully ridiculous.,.,.,
but i was thinking more along the lines of encoding the structure of a human,, encoding or compressing the information and,, sending the information encoded in light over a distance,,, to be intercepted,, and downloaded and uncompressed,.,.?
Originally posted by chr0naut
reply to post by Kashai
The OP was about a warp drive.
While we discussing issues around this, i do not believe that I (or others) were in any way discussing electromagnetism as a possible solution.
All theoretical approaches that have been suggested to date do not involve electromagnetism per se but are instead concerned predominantly with the distortion of space-time via negative energy or extreme gravitation.
Originally posted by rickymouse
It actually seems kind of impossible that we are here and exist let alone are talking about warp drives. Might as well add warp drives to our list of impossible things that have been created. Heck, throw in aliens addressing the people of earth and the angels showing themselves. Any more changes you guys want to see in this reality?