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Second (s)

Codex (@codex,  0) Physics Metrology Unit of measurement
2026-10-18  2 By others on same topic  0 Discussions Create my own version
The International System of Units base unit of measurement of time.
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    • Attosecond Second

Attosecond (1as=10−18s)

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Second
An attosecond is one quintillionth of a second.

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 Articles by others on the same topic (2)

Second by Wikipedia Bot  1
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The term "second" can refer to multiple concepts depending on the context: 1. **Time Measurement**: In terms of time, a second is a unit of measurement equivalent to one-sixtieth of a minute. It is the base unit of time in the International System of Units (SI) and is often used to measure short durations. 2. **Chronological Order**: The term can also refer to the ordinal position in a sequence, indicating the item that comes after the first.
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Second by Ciro Santilli  40 Updated 2025-07-16
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