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is this special relativity wich implies that we cannot communicate in a kind of present, even in communicating at c it needs in our galaxy thousands of years and millions between galaxies like I told.
i have not mentioned that there is something that make the entire road at a certain speed, i was more into something in a way connecting, that happens at the same time in multiple places .
like a bowling device that place all the pins at the same time,
or the four wheels of a car that keep the entire car on the road
or Splatter Painting a la Jackson Pollock ,or perfume droplets on a surface
or the cables that keep a bridge from not falling or
(with this examples you may argue that there is adiference in order of actions a timing order,i look for cases/examples that happens at the same time, no matter how far)
particle /events /whatever to have common sources /correlation /at large very large extremely large distances
i mean if a telescope does observations it is seeing stars galaxies quasars, not (random characters)
ldifhqlwe or jhdsfbkasjdfglisor kfjkjfggergeqoqueo9qb composed with hdfliwhfqw and interacting via fsadifguhwiu having the shape of dfkgskjfhw.
so there is a starting correlation just by having roughly the same things
maybe there are other thigs"entaglend",that can help develop some sort of pseudo comunication,
lets say i live in a multiple rooms apartment and roommates and there is only one fridge , food deposit chamber with a common kitchen/ each has access however, there is no communication between the individuals,(maybe even they even don't know that the other individuals exists) if each individual in parallel goes shopping take in to account what is already there , in the deposit in this case is simple to establish a communication via the products available in the kitchen and the new ones added,
back to particles comparison/ the individuals are the particles , what would be a common conceptual kitchen ? how to find it?, if something happens in a conglomerate of star system in rotating spiral A maybe something else not that different/complementary must happens in the conglomerate star system rotating spiral B and C
the original question was more in line with how a dialogue with an alien could happens,mostly in terms of brain and language ,not in to physics of general relativity or other things related for witch i have no clue. sure, im' interested to know more but also i aim for a certain learning interaction , namely:
conversations with images drawings or other intermediated by other mediums anything beside letters and sound association of concepts, a things that particularly,unfortunately does not happen in schools / universities. (at least while i was a student/ undergraduate)
visual science dialogue
visual science interaction
even in my above example with the nice voice sounding extraterrestrial phone conversation , the hearing of sound and spoken sound is still in a way the incipient start of an image/ picture graph, animation. imagine an enviroment where echolocation happens differently , or the the out of earth being, has a voice coming from interesting biology , that help to have good intuitions of the physics of sound in spaces.
all of this can be rephrased / resumed in the question how one can communicate a map using voice words , or with a song