Is it possible to build a time machine? Can we time travel someday? That’s what Tumble listener Willa wants to know. Clifford Johnson, a theoretical physicist and film consultant, says that there’s real science behind the time travel - and he’ll tell us what it takes to do it.

To learn more about time travel, go visit our blog at sciencepodcastforkids.com, where you can find all sorts of awesome resources to go along with this episode.

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