Ep 192: On Light, Part 2 — Toothed Wheels, Spinning Mirrors, and Meeting the President

Harry and Rafe continue the discussion around coming to understand the nature of light.  In this episode they discuss Fizeau, Foucault, and Michelson and how they used the technologies of the 18th and 19th centuries to zero in on the universal speed limit.Along the way we run into some characters we have seen before and stumble across some serendipity that is just too good not to mention.*****As always, you can reach the Buf at [email protected]*****As you know, this is an independent podcast so your hosts also carry all the expenses of running this podcast.  As such, some of you have asked how you can help out.  Well, here's the answer: support us on Buy Me a Coffee:https://buymeacoffee.com/bufnagleOn this page, you can do a really nice thing like send us a couple dollars to help cover the cost of recording and hosting and microphones and research and all that.  Any little bit really helps!  Thank you in advance!!!