Inventions · Topic 96 of 112
The Stopwatch
⭐ MasteredA stopwatch is a timer that can start, stop and reset to measure how long something takes. Athletes and scientists often use stopwatches to record accurate times.
💡 Fun fact
The first mechanical stopwatches were used to time horse races and other sports.
All about The Stopwatch
A stopwatch is a timer that can start, stop and reset to measure how long something takes. Athletes and scientists often use stopwatches to record accurate times.
Early mechanical stopwatches were used to time sporting events and races. Today, stopwatches are built into phones and watches, but dedicated stopwatches are still used in many sports.
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