Chinese quantum experiment - explain please

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Discussion Overview

The discussion revolves around the Chinese quantum experiment involving a quantum science satellite, focusing on the desired outcomes of the experiment and the rationale for conducting it in space. The scope includes theoretical implications of quantum entanglement and practical applications in secure communications.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • Some participants inquire about the desired outcomes of the quantum experiment and its significance in space.
  • One participant suggests that the goal is to demonstrate that entanglement can persist over large distances, particularly in space where terrestrial disturbances are minimized.
  • Another participant proposes that the desired outcome includes achieving completely secure communications with the ability to detect eavesdropping.
  • Participants reference the context of communication satellites as a reason for conducting the experiment in space.

Areas of Agreement / Disagreement

Participants express multiple viewpoints regarding the desired outcomes of the experiment, indicating that there is no consensus on a singular objective.

Contextual Notes

Some assumptions about the nature of entanglement and its persistence in different environments are not fully explored, and the discussion does not resolve the technical details of secure communications.

houlahound
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What is the desired outcome and why in space?

http://gbtimes.com/china/china-launches-worlds-first-quantum-science-satellite-jiuquan
 
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houlahound said:
What is the desired outcome and why in space?
The desired outcome is a demonstration that entanglement can persist at very large distances. In space, because at Earth there are disturbances which tend to destroy the entanglement.
 
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Desired outcome: completely secure communications with detection of eavesdropping.

Why in space? Because that is where communication satellites are.
 
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