How do projectors and screens show the color black if black is the absence of light?

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How do projectors and screens show the color black if black is the absence of light?

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16 Answers

Anonymous 0 Comments

My attempt at ELI5:

It’s not black you’re looking at. It’s a very dark shade of grey. The darker the grey, the darker it looks.

Something that is true black is a blackbody, but it’s considered hypothetical at this point.

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