The infinite monkey theorem says that, eventually, that monkey will type some given text. Now, imagine that the monkey has an infinite amount of time to keep hitting keys. To understand this idea, picture a monkey randomly hitting keys on a keyboard. One example is the infinite monkey theorem. The idea of infinity is also used in philosophy. What scientists do know, though, makes many of them think that the universe is infinite. Does space simply go on forever? No one knows for sure. and beyond!” That’s right, infinity is even used in the study of space! Experts use it when they study the size of the universe. However, the set of infinite positive whole numbers is twice as large!įans of fictional astronaut Buzz Lightyear know that his catchphrase is “To infinity. There is also an infinite number of even positive whole numbers. Would you believe that there can be different sizes of infinity? It’s true! Consider this: There is an infinite number of positive whole numbers. But infinity is more than just a large number. For example, the number pi is an infinite decimal. Others think the symbol was based on the last letter of the Greek alphabet: omega. Some believe he based it on the Roman numeral for 1,000. It’s called the lemniscate, which means “ribbon.” John Wallis began using this symbol for infinity in 1655. In fact, infinity comes from the Latin word infinitas. The idea of infinity is used mainly in the fields of math and physics. It goes on forever in both directions-both positive and negative. Have you ever used a number line in math class? If so, you may know that there’s no end to it. Do you know of anything that goes on and on? The school day may seem to last forever, but it does have an end! Mathematicians have a special word for things that go on forever.
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