Maybe Time doesn't even exist National geographic

Owais Bilali

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00:00What is time? That's something that many people think they know the answer to. They have written

00:13books about it. I'm not convinced by any of those opinions, and I do wonder about it.

00:22The Earth's rotation is affected by many things. The tides represent the oceans attempting

00:29to follow the moon, and when they hit the seashore, it actually slows down the Earth

00:35over geological time. We can infer that in the dinosaur days, the day was only about

00:40twenty hours long. Now we're twenty-four hours long. In the future, we're going to be longer

00:45still. There's no such thing as a perfect clock. Every clock has its own irregularities,

00:53but we don't have to be victim to those irregularities. We can correct for them, and by combining

00:59clocks we can get better time than any one clock, and more robust time. I've never liked

01:08to carry watches. I don't really want to confine my concept of time to the measurement. I'm

01:16too obsessed with the measurement. I can lose track of the big idea, and also lose my own

01:21innate sense of time. One of the things that impresses me most about this is the finiteness

01:29of time. Is time just a coordinate that we use to do things that maybe time doesn't even

01:37exist? Maybe time starts and then we'll have an end of time? What does it mean? How is

01:44time related to infinity? I don't have answers for those. I do wonder about them.

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