warped space Posted June 14, 2012 Share Posted June 14, 2012 ok so when we move through time and space we have momentum ok so if u move time/space through an object can you create momentum which might create momentum defying certain laws of physics Link to comment Share on other sites More sharing options...
Aethelwulf Posted June 14, 2012 Share Posted June 14, 2012 Alcubierre drive (if I spelled that right) moves spacetime rather than the object in question, if that is what you have in mind. The drive itself is hypothetical but is allowable by physical laws. It could make an object move at or even over the speed of light. Link to comment Share on other sites More sharing options...
warped space Posted June 14, 2012 Author Share Posted June 14, 2012 ok so now the hardest part is that even possible Link to comment Share on other sites More sharing options...
Aethelwulf Posted June 14, 2012 Share Posted June 14, 2012 Sure, it is theoretically possible, since the vacuum is dynamic. Curving spacetime is enough to make distances shorten. This is the same idea, except in your case, you want it over large distances I'd expect. Link to comment Share on other sites More sharing options...
warped space Posted June 14, 2012 Author Share Posted June 14, 2012 interesting i guess over long distances or small but what im getting at is moving vehicles or objects by this method something like gravitonics i believe the idea was sparked by foundations edge by isac asimov i think tht how it is spelled and i just thought is that even possible and i came up with this idea of moving the grid of space mataphorically to create a sense of momentum where technically would move without an equal and oposit reaction which defys newtons law of motion but that seems very implausable and impossible for the time being Link to comment Share on other sites More sharing options...
elfmotat Posted June 14, 2012 Share Posted June 14, 2012 The Alcubierre metric would require negative energy - something which (outside of stuff like the Casimir effect) nobody is sure even exists. Link to comment Share on other sites More sharing options...
Aethelwulf Posted June 14, 2012 Share Posted June 14, 2012 The Alcubierre metric would require negative energy - something which (outside of stuff like the Casimir effect) nobody is sure even exists. Yes... that is one requirement. Keep in mind that things like wormholes require them as well, so such a treatment is not outside of theoretical physics... indeed, physicists believe that at least 60% of the universe is made of such a negative energy. Link to comment Share on other sites More sharing options...
imatfaal Posted June 14, 2012 Share Posted June 14, 2012 Yes... that is one requirement. Keep in mind that things like wormholes require them as well, so such a treatment is not outside of theoretical physics... indeed, physicists believe that at least 60% of the universe is made of such a negative energy. ? If you mean Dark Energy - it is about 70pct of the universe but surely Dark Energy DNE Negative Energy Link to comment Share on other sites More sharing options...
warped space Posted June 14, 2012 Author Share Posted June 14, 2012 ok so this is going to seem quite far from the topic but it still might be the answer to this problem of defying the momentum laws but say u move the center of gravity to in front of the object which yes would have to be caused by connecting two points of the univers together (wormhole) and having the gravity of the object acting upon itself from the poing in front of it or in the direction you want to move ok so this is going to seem quite far from the topic but it still might be the answer to this problem of defying the momentum laws but say u move the center of gravity to in front of the object which yes would have to be caused by connecting two points of the univers together (wormhole) and having the gravity of the object acting upon itself from the poing in front of it or in the direction you want to move nevermind exactly what the Alcubierre metric is Link to comment Share on other sites More sharing options...
Aethelwulf Posted June 15, 2012 Share Posted June 15, 2012 ? If you mean Dark Energy - it is about 70pct of the universe but surely Dark Energy DNE Negative Energy Is it 70%, sorry... but yeah, we generally think it has a negative pressure, so it could be seen as a form of negative energy. It certainly has the properties we'd expect. Link to comment Share on other sites More sharing options...
alpha2cen Posted June 15, 2012 Share Posted June 15, 2012 What is the form of Dark Energy? 1)Inside of our vacuum or Universe generates a energy of the expansion. The boundary or outside of the Universe is constant. 2)Inside of our vacuum or Universe generates a energy of the expansion. The boundary or outside of the Universe has a against pressure whose state is decreasing. 3)Inside of our vacuum or Universe does not generate a energy of the expansion. The boundary or outside of the Universe has a against pressure whose state is decreasing. One of the three is the possible case. Generally we think 1) style Dark Energy. Link to comment Share on other sites More sharing options...
elfmotat Posted June 15, 2012 Share Posted June 15, 2012 Is it 70%, sorry... but yeah, we generally think it has a negative pressure, so it could be seen as a form of negative energy. It certainly has the properties we'd expect. Negative pressure isn't negative energy. E.g. would you consider tension on a rope to be negative energy? Link to comment Share on other sites More sharing options...
Aethelwulf Posted June 15, 2012 Share Posted June 15, 2012 Negative pressure isn't negative energy. E.g. would you consider tension on a rope to be negative energy? I guess not. Link to comment Share on other sites More sharing options...
J.C.MacSwell Posted June 15, 2012 Share Posted June 15, 2012 ok so when we move through time and space we have momentum ok so if u move time/space through an object can you create momentum which might create momentum defying certain laws of physics What assumptions should we use to evaluate this question? Link to comment Share on other sites More sharing options...
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