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Minute

physical science Maturity 11-13 Next article →

A minute is a way to measure time. It is equal to 60 seconds.

This unit helps us track small moments. It is not part of the International System of Units. However, people are allowed to use it with those units. The symbol for a minute is min. You might also see a small mark called a prime. This mark is used in a less formal way.

Time can be broken into many small pieces. The word minute comes from a Latin phrase. It means "first small part." This is how we get the name for a second. A second comes from a phrase meaning "second small part."

People can even divide time into thirds. Most people today use decimals to break down seconds. This way makes measuring very precise. It allows us to see even smaller bits of time.

Many people helped us understand these small parts. Al-Biruni first divided the hour in 1000 CE. He was talking about Jewish months at that time. He used minutes, seconds, thirds, and fourths. In 1267, Roger Bacon wrote about time too. He used these same parts to mark time after noon.

He used them to talk about the time between full moons. These thinkers helped create our way of seeing time.

Making tools to show minutes took a long time. Jost Bürgi was a clock maker in 1577. He made a clock with a minute hand for Tycho Brahe.

Later, an English watchmaker named Thomas Tompion helped too. In 1675, he invented the hairspring. This part made it possible for watches to have minute hands. Before this, watches were different. These inventions changed how we carry time with us.

Most minutes are exactly 60 seconds long. But sometimes, a minute has 61 seconds. We call these leap seconds.

They happen to keep the time standard right. A minute could also have 59 seconds. This would be a negative leap second. This has not happened in more than 40 years. It is a rare thing that keeps our clocks steady. This shows how much care goes into measuring time.

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