Examples
- A watch keeps the same time as your phone because it has a special part that counts seconds like a metronome.
- Your grandfather's old watch is still accurate because its tiny gears work smoothly together.
- Your mother’s watch uses a crystal that vibrates to count every second precisely.
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See also
- How Do Clock Towers Work?
- How Do Clocks Know the Time?
- How Do Clocks Know What Time It Is?
- How Does a Clock Know When to Ring?
- How Do Clocks Know the Time Without Being Connected to Anything?
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