how does a camera actually capture a moment in time?

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i just don’t get how it can keep a moment of time and save it forever

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3 Answers

Anonymous 0 Comments

A camera measures the light arriving in some time window (typically a small fraction of a second). Today that is typically stored digitally. That measurement can be displayed on a computer screen, or printed out. Analog cameras have chemicals that get changed when light hits them.

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