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Teleportation....where will it go


Coopsy

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Posted
  • Location: Portlethen - Aberdeenshire
  • Location: Portlethen - Aberdeenshire
We will never teleport life. We may well be able to transport the building blocks but to replicate the electro-chemical state that is ' Me' is, and will remain, impossible. By the time we have the ability to transport matter we will have outgrown the need as atomic replication of materials/objects, atom by atom, will be old news.

Never mind being able to replicate the precise electro-chemical soup that brings the constituents of a slug together how the sneck are you going to copy the complex state that is memory in a way that ,on reassembly,will perfectly match all that is you?

If life is 'spookier' than that how will you transport 'soul' or map it for that matter? for then you ,if you have mastered the art, have ' immortality.' A perfect copy of you to 'upload' into your clone (or better?) on arrival and you could happily travel at light speed without age penalties?.

Maybe it all happened before and then something went horribly wrong at the upload stage and we got stuck with this blinkin' chimp body with its complex animal behaviours ( as a quick fix 'holding vessel') , constantly over-rideing our the better judgements and thwarting our best efforts to advance it's state of technological advancement further than T.V. remotes and the internet so that we will be able to reconstruct our former selves ( Lizards maybe) and get this monkey off our backs once and for all! :)

Pretty much what i was going to say!!!

Travelling the speed of light is a puzzler! They say its because you'd be at your destination before you left so hence it's impossible but would that still be the same if it was over a far greater distance?? And although they say we can't travel the speed of light, does that mean we could travel close to it if we had the ability?

Bending space would be ideal but that does seem to be quite rediculous, i dont know anything really about it but surely if you do that you will affect that matter that the universe is made of and if you could do it would that not mean that the universe was "flat" as so to speak??

Oh i'm confused!!! :)

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Posted
  • Location: Buckingham
  • Location: Buckingham

I think the physics behind such a manoeuvre would mean that so much energy would need to be created the object being 'teleported' would no longer exist as a result of the huge release of that energy ie an explosion of some kind.

Not very likely then. More chance of getting the trains to work!

:) Moose

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Posted
  • Location: 4 miles north of Durham City
  • Location: 4 miles north of Durham City
But you couldn't move to any other point in the universe instantly, because the information (or whatever you call it) would have to travel to that point, and that would still rely on the speed of light. Dullards.

Maybe we can harness black-hole technology (i.e via the use of particle accelerators) so that not even light can escape!!

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Posted
  • Location: New Zealand
  • Location: New Zealand

E=MCC is the problem with lightspeed. It demands that a subject must reduce in mass as it approaches the speed of light (matter -> energy conversion).

As for this teleportation thing and the speed of light though, Isn't there some wierd magical quatumn thing that says that when you chang the polarity of a particle on one side of a room/the world/universe, it's matching particle on the other side of said explanse will also change (instantaneously)?

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  • 2 weeks later...
Posted
  • Location: A small planet somewhere in the vicinity of Guildford, Surrey
  • Location: A small planet somewhere in the vicinity of Guildford, Surrey

For a full explanation of the technique, read "The Fabric of the Cosmos" by Brian Greene (The String Theory Guy!). He gives a very detailed and easy to understand account of the process.

The idea is that you have the original and one entangled particle, the recipient has the other entangled particle and a "Target" particle that he intends to "turn into" the original particle. It is possible to measure the difference between the original and entangled particles in such a way that you can effectively skirt around the issue of the Heisenberg Uncertainty Principle. By determining the way in which the original is different from the entangled particle, you can tell the recipient how to alter his Target particle to make it physically identical to your original. All the recipient has to do is alter it with regards to his entangled particle.

Brian Greene, in his book, acknowledges the fact that this isn't exactly teleportation, but rather more like what he (half-jokingly) calls "Quantum faxing".

With regards to conciousness and thought-processes, the question of whether Quantum Faxing is possible depends upon whether these processes are completely physiological or if there is more to a person than the sum of his parts. Dr Greene, obviously a devout atheist(!), believes that you would end up with a "working" human being at the other end, since perfect Quantum Faxing would result in all the atomic, molecular, electrical and chemical connections being identical to the original. If you have a spiritual side, though, the issue becomes a rather disturbing one, since a perfect copy is likely to be a kind of living mannequin, devoid of the conciousness of the original. Spooky thought!

And finally, there is a speed-of-light limit because the information the transmitter would have to send to the receiver (the differences between all the particles) would have to be sent by conventional means (telephone, fax, e-mail or whatever), so the instantaneous "communication" between the entangled particles would be irrelevent.

Hope I haven't gone on too long, or horribly complicated the issue! ;) Trust me, Brian Greene explains this a lot better than I do!

C-Bob

PS - E=mcc (how do you do a superscript 2?!) tells us that travelling at light speed is not possible for a massive body. Photons are massless, so they can travel at (and only at) light speed. However, acceleration requires the input of energy, which means that the "E" in the equation would increase as you accelerate. As "c" remains constant, the only way to balance the equation is to increase your mass "m". Therefore, going faster means you get heavier, and the heavier you are, the more energy you need to put in to accelerate you further. The full relativistic equations show that a body with any mass would require an infinite amount of energy to reach light speed, and that at light speed it would have infinite mass. Which is a bit of a bummer!

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Posted
  • Location: SE,London (Catford)
  • Location: SE,London (Catford)

Blimey if all this became reality ;) few ive picked up on :)

Bad

1. A lot of very (over weight) lazy people

2. A very high personal insurance policy ;)

3. A lot of very annoyed people. ie:- mother in law appears at foot of bed while you are enjoying close relationship with your partner :angry:

Good

1. emergency team instantly at scene of accident. Then you transported straight to hospital

2. order something on internet.. Appears instantly on table behind you :D

3. No more cars.. its now just a sport

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Posted
  • Location: Rochester, Kent
  • Location: Rochester, Kent

There is no physical (known) process that can stop something travelling faster than the speed of light. Indeed, there are hypothetical particles that are born travelling faster than the speed of light. What Einstein said was that it is impossible to accelerate past the speed of light because the amount of energy required to move your ever increasing mass (with velocity) will extend toward infinity.

Now, if you consider that the quantum world is not currently governed by the theories of space-time, and are therefore, currently exempt, from relativity, there is no need to worry about the speed of light, anyway.

Experiments in quantum entanglement - that which a particle in some space is modified and at that very instant a particle elsewhere in the universe is simulataneously modified - continue to demonstrate that quantum mechanics and relativity are still not compatible.

If one subscibes to string-theory, you can, of course, simply demote space-time as just a few of the dimensions required of the many to create existence; but that, I'm afraid, is another story.

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Posted
  • Location: A small planet somewhere in the vicinity of Guildford, Surrey
  • Location: A small planet somewhere in the vicinity of Guildford, Surrey
There is no physical (known) process that can stop something travelling faster than the speed of light. Indeed, there are hypothetical particles that are born travelling faster than the speed of light. What Einstein said was that it is impossible to accelerate past the speed of light because the amount of energy required to move your ever increasing mass (with velocity) will extend toward infinity.

The key word here is "hypothetical. As yet there is no physical evidence whatsoever for the existence of faster-than-light particles. In fact, experiments to detect tachyons have (as yet, at least) found no trace of them, and the general view of scientists is that these particles do not exist in reality.

Now, if you consider that the quantum world is not currently governed by the theories of space-time, and are therefore, currently exempt, from relativity, there is no need to worry about the speed of light, anyway.
The quantum world is fundamentally incompatible with the relativistic world, but its components still adhere to the light-speed limit, so the speed of light is still relevant to quantum theory. Quantum theory's incompatibility lies with the problem of gravity, which can't be described on the quantum scale.
Experiments in quantum entanglement - that which a particle in some space is modified and at that very instant a particle elsewhere in the universe is simulataneously modified - continue to demonstrate that quantum mechanics and relativity are still not compatible.

The issue of quantum entanglement doesn't really have anything to do with relativity. Relativity says that no particle can accelerate past the speed of light, be it a proton, electron, photon, neutrino or quark. "Communication" between particles is thought to occur by the exchange of so-called "Messenger" particles (all of which have been observed except the theoretical Graviton). Therefore these particles would have to adhere to the light-speed limit. (Note that Messenger particles are an essential by-product of the currently-formed Quantum theory.)

Quantum entanglement, on the other hand, involves no exchange of particles - that is, the two particles that are entangled do not communicate with one another! By processes not well understood, the two particles instantaneously "know" what state the other particle is in. Light speed is not an issue in this case because no exchange of particles, and hence no exchange of "information", occurs.

If one subscibes to string-theory, you can, of course, simply demote space-time as just a few of the dimensions required of the many to create existence; but that, I'm afraid, is another story.

I haven't yet made up my mind about String Theory - it seems like a wonderful idea, but it also seems rather more complicated than one would have thought a Final Theory should be - but it doesn't "demote space-time" at all. It expands space-time to embrace all particles, all forces and all interactions. Like the Theory of Relativity before it, it makes space-time a central player on the stage of the Universe. Besides, String Theory has little, if anything, to do with the concept of Quantum Entanglement, besides being able to self-consistently explain it insofaras it is currently understood.

There I go, rambling on again!

Sorry!

;)

C-Bob

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Posted
  • Location: New Zealand
  • Location: New Zealand

What!? A discussion of teleportation, quantum physics, string theory, relativity and lightspeed, and yet no mention of the Zero Point Field? I thought this was supposed to be the Unified Theory of Everything!? :angry:;)

Edited by crimsone
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Posted
  • Location: Tyne & Wear
  • Location: Tyne & Wear

Havent had time to read thread but i am willing to give my view. Telepotation is a very possible thing in the near future. Teleportation involves turning a mass (cannot move) into energy (can move and cannot be stopped). So we turn a solid into energy and move it. Thats teleportation. The only thing keeping us behind is how to change this mass into energy. Another problem is things being lost in the transfer. So we need to practice it with solids and then eventually humans. BUT we need a device to change the mass into Energy...

So scientists get onto it!!!!

;)

SM06

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Posted
  • Location: South Woodham Ferrers, height 15 metres
  • Location: South Woodham Ferrers, height 15 metres

Interesting fact (maybe) - we can't hold other technological developments still while teleport science progresses. What does teleportation mean in a world in which teleportation is possible?

Were we at the level of technological development whereby we could teleport humans it is likely other things would inevitably be the case.

1. data needed to make humans could be "compressed" and humans reconstructed more simply than 10 ^28 atoms

2. there are no humans to teleport as life has merged back into matter with humans long evolved into droid-clones (see above) with as much consciousness as your bathroom door

3. it would be as simple to bring the world to us as to teleport everywhere

3.a we'd know teleportation actually involves keeping the particle in one place and moving the universe

4. our physical reality would be ordered such we could not say anything is actually going anywhere because nothing in the universe has a fixed place

5. the concept of "teleport" which is the basis of this discussion would not mean anything in physical world of the sufficiantly technologically advanced

Brian Greene, in his book, acknowledges the fact that this isn't exactly teleportation, but rather more like what he (half-jokingly) calls "Quantum faxing"

:) ...

Edited by AtlanticFlamethrower
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Posted
  • Location: Heswall, Wirral
  • Weather Preferences: Summer: warm, humid, thundery. Winter: mild, stormy, some snow.
  • Location: Heswall, Wirral

I doubt you would ever be able to teleport a physical human body, however since our conciousness has a largely electro-magnetic makeup, it would be interesting to try and teleport our consciousness from one place to another. Now that would be weird.

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