First Object Teleported from Earth to Orbit

[n2doc]

Researchers in China have teleported a photon from the ground to a satellite orbiting more than 500 kilometers above.

by Emerging Technology
from the arXiv July 10, 2017

Last year, a Long March 2D rocket took off from the Jiuquan Satellite Launch Centre in the Gobi Desert carrying a satellite called Micius, named after an ancient Chinese philosopher who died in 391 B.C. The rocket placed Micius in a Sun-synchronous orbit so that it passes over the same point on Earth at the same time each day.


Micius is a highly sensitive photon receiver that can detect the quantum states of single photons fired from the ground. That’s important because it should allow scientists to test the technological building blocks for various quantum feats such as entanglement, cryptography, and teleportation.

Today, the Micius team announced the results of its first experiments. The team created the first satellite-to-ground quantum network, in the process smashing the record for the longest distance over which entanglement has been measured. And they’ve used this quantum network to teleport the first object from the ground to orbit.

more
https://www.technologyreview.com/s/608252/first-object-teleported-from-earth-to-orbit/

[Achilleaze]

1. Photons today, futons tomorrow!

[exboyfil]

2. FTL ansible

That would be a dream for robot exploration.

[DetlefK]

3. No, there was no object teleported. Headline is misleading.

Two photons were entangled and then separated and measured. No object was transfered during this "teleport". No usable or useful information was transfered during this "teleport".

[InAbLuEsTaTe]

4. There is no such thing as entanglement... just as there is no particle-wave duality.

[DetlefK]

5. If there is no particle-wave-duality, where does electron-diffraction and ion-diffraction come from?

[InAbLuEsTaTe]

7. If all matter is made from fundamental particles, ie, electrons, quarks, etc...

and those particles supposedly exist only as a probability wave, according to the Scroedinger Equation, until measured or observed, whereupon the probability wave collapses into a particle, ie, wave-particle duality, then question: How could any particles ever initially come into existence that would then form all that exists and we now see in the observable Universe?

[DetlefK]

8. You have not answered my question. I will answer yours.

1. The Schroedinger-equation describes a function that contains the information you need to describe the particle. Multiply that function with the complex-conjugated version of itself and you get a probability-density. However, this is only valid for non-relativistic systems. For relativistic systems you have to use the Dirac-equation and that can lead to negative probabilities: The interpretation of the wave-function as probability is not universal. It's just a mental crutch.

2. When a wave-function "collapses" that does not mean that the particle is formed. A "collapsing" wave-function means that a superposition of wave-functions is replaced with one wave-function: the one that matches the state. And this is a purely mathematical process, again a mental crutch, that has no physical equivalent.

3. Where matter comes from, that's still subject of research. Research that's far, far more complicated than the Schrödinger-equation. But I fear that discussing that topic with you is futile if you don't even know the basic definitions of quantum-mechanics.



I answered your question to my best knowledge. Let's come back to my question: If there is no particle-wave-duality, why do we see diffraction-patterns when scattering electron-beams and ion-beams on crystals?

[InAbLuEsTaTe]

9. lol, you didn't answer my question and, obviously, you have no clue what you're talking about...

Indeed, everything you said is in direct conflict with conventional quantum theory... I therefore see no point in continuing this discussion. "Mental crutches"... hahaha... good try though!

[DetlefK]

12. Still waiting on your explanation...

You think the Psi-function is probability-density, but I'm the one who doesn't know what he's talking about.
You don't know that the interpretation of |Psi|² as probability-density ("Born's theorem&quot is just that, an interpretation, but I'm the one who doesn't know what he's talking about.
You don't know what "collapse of a wave-function" means, but I'm the one who doesn't know what he's talking about.



Please prove me wrong, please, oh God, oh please, I beg you.
Please cite any source that contradicts anything what I wrote.

Oh, and please answer my question how we can see diffraction-patterns from corpuscular beams if there is no particle-wave-duality.

[Thor_MN]

14. You have no apparent experience with earbud cables...

[cstanleytech]

6. I wonder what the range limitation is though as well as the travel time as it could explain why we

have not detected any advanced civilizations since radio and even laser are to slow for a galactic civilization which would need something faster.

[eppur_se_muova]

11. More properly faxing, not teleporting. nt