Bell's Theorem: The Quantum Venn Diagram Paradox
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Henry: If you have polarized sunglasses, you have a quantum measurement device.Grant: Each of these pieces of glass is what's called a "polarizing filter", which meanswhen a photon of light reaches the glass, it either passes through, or it doesn’t.And whether or not it passes through is effectively a measurement of whether that photon is polarizedin a given direction.Henry: Try this: Find yourself several sets of polarized sunglasses.Look through one set of sunglasses at some light source, like a lamp, then hold a secondpolarizing filter, between you and the light.As you rotate that second filter, the lamp will look lighter and darker.It should look darkest when the second filter is oriented 90 degrees off from the first.What you&...
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Henry: If you have polarized sunglasses, you have a quantum measurement device.Grant: Each of these pieces of glass is what's called a "polarizing filter", which meanswhen a photon of light reaches the glass, it either passes through, or it doesn’t.And whether or not it passes through is effectively a measurement of whether that photon is polarizedin a given direction.Henry: Try this: Find yourself several sets of polarized sunglasses.Look through one set of sunglasses at some light source, like a lamp, then hold a secondpolarizing filter, between you and the light.As you rotate that second filter, the lamp will look lighter and darker.It should look darkest when the second filter is oriented 90 degrees off from the first.What you&...
