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originally posted by: stormcell
My guess is that any advanced civilisation would either communicate using quantum-entangled semi-conductor crystals, where a laser could be fired into a crystal and communication would be received at the other paired crystal.
Alternatively, infra-red lasers would be used for communication from any vehicle on Earth. There have been UFO sightings where witnesses say they saw a red or purplish beam of light going up or across the sky. Purplish because they sky was bright blue at the time.
originally posted by: HauntWok
I preface this by stating that I am in no way an expert in this subject.
That out of the way, I believe that we are looking for intelligent life in the galaxy in the wrong way. Using radio waves is far to inefficient of a method for interstellar communication.
FTL communication can be achieved with quantum entangled particles. A species with sufficient knowledge could possibly send out packets of entangled particles to be picked up by a quantum computer and translated.
Yes there is the problem of sending entangled particles to distant points in space efficiently, but theories exist for sending matter faster than light already, and I imagine that packets of particles would take less energy to accelerate than a full sized craft.
Could it be possible to capture and detect entangled particles sent by a species and understand the entangled state that the particles are in?
Just an idea. What do you think?
originally posted by: HauntWok
a reply to: stormbringer1701
See, I don't understand that, because experiments have shown that entangled particles over a distance do communicate.
Is it signal degradation? Entropy? Do the particles themselves destabilize?
originally posted by: HauntWok
ok, but can we detect that a particle is entangled?
We may not know that a signal exists, but it's there a way to detect that the particle packet is quantumly linked?
originally posted by: HauntWok
a reply to: OccamsRazor04
What if they were able to send a packet of particles here from their home? Is there a way at all we could capture those particles and observe them?
I'm asking because I don't understand.
Could a civilization send entangled particles and those particles be picked up and observed?
originally posted by: Psynic
Watched a documentary decades ago about Sea Stars communicating remotely.
Sea Stars can be cut in half and both sides can regenerate into complete Starfish again. Essentially 'clones'.
If these cloned Sea Stars are separated by barriers and distance, one can be manipulated physically and the other will do the same contortion of it's own accord.
Is it telepathic communication?
Nothing can be believed unless it is first understood; and that for any one to preach to others that which either he has not understood nor they have understood is absurd.
— Peter Abelard
First... a new theory is attacked as absurd; then it is admitted to be true, but obvious and insignificant; finally it is seen to be so important that its adversaries claim that they themselves discovered it.
— William James
originally posted by: OccamsRazor04
originally posted by: Psynic
Watched a documentary decades ago about Sea Stars communicating remotely.
Sea Stars can be cut in half and both sides can regenerate into complete Starfish again. Essentially 'clones'.
If these cloned Sea Stars are separated by barriers and distance, one can be manipulated physically and the other will do the same contortion of it's own accord.
Is it telepathic communication?
I don't buy it. Can you show me?
As someone with a degree in marine biology and who has been to a lab where sea-star (in science circles, they're called "sea-stars" rather than "starfish", since they're not fish) regeneration investigations were conducted, I can tell you authoritatively that the "phenomenon" which you describe does not exist.