What Is the Science of Time Travel? In their first episode, Amy and Adam Go “Back to the Future” on Einstein, Paradoxes, and an Iconic DeLorean with a Flux Capacitor

What if the greatest time travel device in movie history is just a glowing Y-shaped excuse to ask bigger questions about science, storytelling, and human imagination?

In the premiere episode of Unobtainium Podcast, Hollywood writer/producer Adam Sigel and rocket scientist Amy Mainzer launch a smart, funny deep dive into the science of science fiction through one of cinema’s most iconic inventions: the flux capacitor from Back to the Future.

Along the way, they explore why great sci-fi doesn’t need perfect science — it just needs enough “unobtainium” to make us believe. From Einstein’s theory of relativity and real-world time dilation to wormholes, paradoxes, plutonium, and the narrative genius of a time-traveling DeLorean, the conversation moves between real physics and Hollywood storytelling craft.

The result is a lively exploration of why science fiction matters: not just because it predicts the future, but because it helps us imagine it.

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