The deepest-diving nuclear submarines only dive to approximately 400-500 meters below the ocean surface -- just 10% of the world's oceans' average depth. In this  podcast episode, author Joel Salomon discusses the logistics involved in true deep-sea travel and exploration, and how we might be able to explore unseen worlds at the bottom of places like the Mariana Trench.

You can also listen to this episode, along with all the others, of The Aqua Phi Podcast, your ESPN of Science Fiction, on YouTube! Visit youtube.com/c/TheAquaPhi.

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Video and audio production courtesy of Jasper Multimedia. https://jaspermultimedia.com

Music: Humans After Us by Nick Froud, courtesy of TuneTank. https://tunetank.com/tracks/5181-humans-after-us/