Is time real?

What is time, really, and does it even exist?

A watch.
(Image credit: Illustrated | Getty Images)

Albert Einstein said that time was relative, but what does that even mean? Does time really exist? Here's everything you need to know:

What is time?

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Devika Rao, The Week US

 Devika Rao has worked as a staff writer at The Week since 2022, covering science, the environment, climate and business. She previously worked as a policy associate for a nonprofit organization advocating for environmental action from a business perspective.