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Inside a compact disc (CD), information is encoded as microscopic "pits" and "lands" (flat areas) arranged along a spiral track. When a CD player reads it, a laser beam shines through the transparent plastic layer onto that spiral.📀

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Ahib Jane

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156,225 просмотров • 7 месяцев назад •via X (Twitter)

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A CD stores data in a spiral of tiny pits and flat lands each pit about one-thousandth the width of a human hair. A laser reads the surface, detecting light differences between pits and lands to translate them into binary data. [🔬 microscopie_44]
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A CD stores data in a spiral of tiny pits and flat lands each pit about one-thousandth the width of a human hair. A laser reads the surface, detecting light differences between pits and lands to translate them into binary data. [🔬 microscopie_44]

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