How Quantum Entanglement Works

[Thangalin]

Hey, folks.

A pretty light read on how quantum entanglement works, starting from first principles without using math but with lots of pictures. Quite good!

http://www.joot.com/dave/writings/articles/entanglement/

Ciao!
T

 

[Edgardo]

Thanks for the link. I will read it.

-Edgardo

 

[Caroline Thompson]

A "light read", yes, but as an explanation of entanglement I'm afraid the link is no use at all. The mere fact (if indeed it is a fact?) that members of a pair of "photons" emitted under parametric down-conversion have orthogonal polarisations does not conflict at all with local realism.

Caroline

 

[caribou]

Interesting link, thanks.

 

[vanesch]

The link to "quantum entanglement and deep space propulsion" is however totally wrong:

Therefore, were two specimens of cesium (to take one example; other materials would also work) to be entangled on earth, then one of the specimens lofted into space, exciting the earthbound cesium sample to produce ions would result in the space-traveling cesium sample becoming energetically excited and producing ions like its earthbound counterpart.

cheers,
Patrick.