stopwatch

A stopwatch is a tool for accurately measuring time. It is often used for exercise and cooking.

It can measure up to 1/100th of a second, making it very precise. It's frequently seen in school physical education classes and sporting events.

Since its invention by Louis Moinet in 1816, the stopwatch has become an essential tool in sporting events. In the modern Olympics, it has evolved into advanced measuring equipment capable of measuring time to 1/1000th of a second.

Stopwatches are utilized in various fields, including scientific experiments, music practice, and presentation preparation. They also play a crucial role in new areas such as measuring APM (Actions Per Minute) for esports athletes and speedcubing competitions.