In the second episode of the Regret Labs podcast, hosts Aric McKeown and Levi Weinhagen speak with Matt Kuzma about physics. And Back to the Future 3. But mostly about physics.

Particles of light, the inverse square law, and what your eyes and ears do with the waves that interact with them are all gone over with a wide tooth comb.

Books discussed in this episode:

* The Physics of Superheros by