Does Time Exist? Why Our Gut Feelings Are No Match For Physics

Physicists' ideas about the nature and existence of time may seem incongruent with our experience of it, but author James Gleick makes a case for why we need to keep an open mind.

Physics often makes a fool of our gut feelings. James Gleick, author of Time Travel: A History makes this point using the most elemental example. You, sitting or standing to read this now, your gut feeling and experience tells you that you’re sitting or standing on a flat plane, on an immobile surface. Science has some news for you though, in Gleick’s words: "You're actually on the surface of a giant sphere that's spinning at high speed and hurtling through space, and by the way there's no difference between up and down except an illusion that's created by the force of gravity."

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