<story><title>Chinese scientists test quantum entanglement over unprecedented distance</title><url>https://www.scientificamerican.com/article/china-shatters-ldquo-spooky-action-at-a-distance-rdquo-record-preps-for-quantum-internet/</url></story><parent_chain></parent_chain><comment><author>sliken</author><text>A staple of sci-fi has been a pair of boxes with quantum entangled particles inside allowing FTL communications once the boxes travel (sub-FTL) to their destination.&lt;p&gt;By my understanding that&amp;#x27;s impossible, although I always wondered if you could coordinate FTL, by detecting when a particle was no longer entangled.&lt;p&gt;Can someone with the background comment?</text></comment>
<story><title>Chinese scientists test quantum entanglement over unprecedented distance</title><url>https://www.scientificamerican.com/article/china-shatters-ldquo-spooky-action-at-a-distance-rdquo-record-preps-for-quantum-internet/</url></story><parent_chain></parent_chain><comment><author>Illniyar</author><text>I thought quantum entanglement is the idea that two quantum particles separated by distance will behave the same at the same time regardless od distance.&lt;p&gt;Why is sending photons over distances a verification of quantum entanglement?&lt;p&gt;Can someone elaborate on what this is?</text></comment>