It sounds like the parent is referring to a specific type of interferometer, bec... | Hacker News

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martythemaniak on April 29, 2020 | parent | context | favorite | on: Extremely Large Telescope

It sounds like the parent is referring to a specific type of interferometer, because yes, this is what they used on the EHT and it did not have any such entanglement or quantum effects.

ncmncm on April 29, 2020 [–]

Actually regular light-wave interference suffices, but it's quantum anyway, just because that's how light is.

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