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[PopSci] China Launches Quantum Satellite in search for unhackable communications - Page 2  

post #11 of 15
This technology is much further along than "a few scientists in a lab." It is not quantum computing or quantum teleportation but it does actually use quantum mechanical effects, unlike most lay uses of "quantum."

e.g. http://www.idquantique.com/

Also in 2013: Toshiba Makes Quantum Cryptography Breakthrough
Quote:
Current quantum cryptography systems cost around $50,000 and can only connect two parties at a time.

Edited by Asmodian - 8/25/16 at 9:09pm
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post #12 of 15
Quote:
Originally Posted by EniGma1987 View Post

No they didn't. True quantum computing doesnt exist and we definitely do not have true quantum tunneling and teleportation for use in communication. So they cant possibly have launched something that does not exist yet.

I'm not sure what you mean by "True quantum computing doesnt exist" since qubit computers have been able to execute simple tasks. Sure, the computers aren't great, but 30 years ago silicon computers couldn't do much either, so there is no reason not to start researching quantum communication now. Do you expect to be able to play Crysis on some sort of quantum-based gaming rig before anybody bothers to look into other applications of the technology?
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post #13 of 15
3 words.


Made in China.


We all know how their lifespan will turn out.
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post #14 of 15
I would like to know how it works. Current reccord for quanthum crypto is 300km last time I checked (through optical fiber).
Theoritically you can get something unhackable but in reality there's the noise and hardware limitation.
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post #15 of 15
Quote:
Originally Posted by guttheslayer View Post

3 words.


Made in China.


We all know how their lifespan will turn out.

ABout the same as everything anywhere? Since most things in your house were probably made in china. tongue.gif

You think US makes all the ICs and Transistors and Capacitors and resistors etc etc in our satellites?
Edited by PappaSmurfsHarem - 8/30/16 at 9:27am
     
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