This lecture is part of a course from
The Great Courses called
Mysteries of Modern Physics: Time taught by Professor Sean Carroll. This course and over 1,000 other courses can be accessed with a subscription to
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It's said that the clock is always ticking, but there's a chance that it isn't. The theory of "presentism" states that the current moment is the only thing that's real, while "eternalism" is the belief that all existence in time is equally real. Find out if the future is really out there and predictable-just don't tell us who wins the big game next year.