Updated: Sep 26, 2020
“I think there’s a part of us which fantasizes about having some sort of superpower. If I could have one it would be definitely be teleportation!” - Celina jade
Ever imagined in your free time that how cool it can be if you could disappear from one place and appear at another at the same instant, and wondering over the possibility of this science wonder, if yes, then you have arrived at the right place.
What does one mean by ‘teleportation?’
Teleportation is the phenomenon of matter or energy from one point to another without traversing the physical space between them.
Or simply disappearing from a place at a certain time and appearing at another place at a different time or space by travelling in the physical space in between, and sometimes this happens instantly.
Teleportation is a common science fiction in Movies, literature and television.
Possibility of teleportation:
The teleportation which is shown in the movies, which depicts that a person or an object disappears from one place or location and appears at another at the same time, is definitely not possible, no matter how cool it would sounds, making a complex combination of atoms disappear from one location and make it appear at another with the exact principle at the same instant, the chances are less than a percent!
Although……… We can teleport through ‘Quantum teleportation’.
‘Quantum teleportation is a process in which quantum information (the exact state of an atom or photon) can be transmitted (exactly, in principle) from one location to another, with the help of classical communication and previously shared quantum entanglement between the sending and receiving location.’
To have a clear understanding of quantum teleportation, imagine 2 barrel-like containers opposite to each other or next to each other.
You keep an object in one of those say, for example, a cap.
Now, in quantum teleportation the information of the object is transmitted from the container it is present to the container it needs to be present, information of the object means the information about its structure and combination of its atoms, and when this information is received at another end, this can be used to produce the exact replica.
Though the cap did not move from its place, we did get an exact copy of it in another place.
But there is one twist in the quantum teleportation, it’s the “ no cloning” rule, that means the original cap has to be destroyed after extracting the information from it, well this rule makes sense if you imagine yourself in the place of the cap.
What if we do not obey the cloning rule?
That could result in a major problem, imagine you teleport in the place of the cap, and surprisingly you transport safely at the another end without any mishap(which is practically impossible), then there would be two you!
Both at either end, with the same combination of atoms, same thinking strategy, same hair, same eyes!
Now, if this happens it will be chaos, which is why to avoid it one dies during teleportation and forms at the other end.
Quantum entanglement forms the basis of quantum teleportation,
So what is quantum teleportation?
“Quantum entanglement is a physical phenomenon that occurs when a pair or group of particles is generated, interact, or share spatial proximity in a way such that the quantum state of each particle of the pair or group cannot be described independently of the state of the others.”
This means that two subatomic particles that are generated spontaneously are dependent on each other.
In simpler words, take two photons which were formed spontaneously at an energy release, now these two photons are interconnected, in a way that by observing the motion of one photon we can easily determine the other whether they are even they are separated by space.
Consider two subatomic particle usually photons one is spinning east – clockwise at the speed of x, then we could say than the other subatomic particle would be spinning at the opposite direction at the same speed, which is spinning towards west, anti-clockwise at the same direction at the speed of x.
Albert Einstein termed this as “spooky action”
How is quantum entanglement related to quantum teleportation?
Many scientists are conducting the experiments of quantum teleportation using quantum entanglement.
Most of them generate twin photons spontaneously in an experiment and separate those photons using lasers, at a distance to study their behaviour. Let us take photon A and photon B is at the location of X and Y respectively, now we introduce a new atom to photon A at its location which is X, the photon copies the information of the object and send the data it’s twinning photon as they are interconnected, which generates the replica at location Y.
We have even successfully teleported an object from earth to space!!
Till 2016, scientists were successfully able to demonstrate the quantum teleportation between two islands as far as 143 kilometers successfully, which was a record at that time until a new Chinese experiment performed in 2016 on quantum teleportation which works between the ground and space. The experiment was performed using a quantum research satellite called Micius, which China launched in 2016. It worked at a distance of 870 miles (1,400 kilometers), many times as far as the previous teleportation record.
In short the chinese scientists teleported a particle from space to earth successfully.
To detailed information on this Experiment: https://www.youtube.com/watch?v=4QlcKuxDGrs
Will teleportation would be accessible to the common citizens in the future?
According to data at the present , NO.
The quantum teleportation for humans is basically “Suicide and travel” and is very risky even under scientific observation.
Sources say that the experiment performed by the Chinese researchers they were able to capture less than 1% of photons generated from space.
The risk of being dismantled during quantum teleportation is more than 75%, due to which many citizens will avoid this form of transportation even before the authorities think of it.
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