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The Science of Everything Podcast

Episode 114: Special Relativity Part 1

The Science of Everything Podcast

James Fodor

Natural Sciences, Science, Social Sciences

4.8750 Ratings

🗓️ 8 February 2021

⏱️ 46 minutes

🧾️ Download transcript

Summary

The first of a two part series on special relativity, I provide a brief overview of the historical development of relativity theory, including a discussion of the role of the Michelson-Morley experiment, and considerations from classical electromagnetism. I then outline Einstein's two postulates, discuss their meaning, and provide some explanation for how to interpret a constant speed of light. I also provide an introduction to Lorentz transformations and the notion of spacetime. Recommended pre-listening is Episode 13: Newtonian Mechanics. If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon supporter. https://www.patreon.com/jamesfodor https://www.paypal.me/ScienceofEverything

Transcript

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0:00.0

Oh, wow, oh, oh, wow, oh, wow, oh, wow.

0:13.0

Oh, wow.

0:15.0

Oh, yeah. Hello, you're listening to the Science of Everything podcast episode 114, Special Relativity.

0:40.7

I'm your host, James Fodor.

0:43.1

So, it's been a long time coming.

0:44.9

I've been wanting to do this episode for probably about 10 years, and I've spent a long time

0:50.7

trying to understand special relativity, both formally in my physics education,

0:54.9

and then doing my own reading and research and playing around with things.

0:58.2

And I've been working on this episode for quite a long time now.

1:01.2

And finally, I've decided that, yeah, it's come to the stage where I'm happy to put together the material

1:07.6

and, well, this is the resulting podcast.

1:10.1

So special relativity is a

1:11.7

notoriously difficult topic to understand. The mathematics of it are fairly simple, but

1:18.4

conceptually it's just very hard. So this episode is an attempted introduction to special

1:23.7

relativity that doesn't assume really a lot of math background. And really what I'm

1:27.7

focusing on is the conceptual understanding of the principles of relativity and why they happen,

1:32.7

why it works that way, and resolving certain paradoxes and misunderstandings and so forth.

1:37.9

So recommended pre-listing for this episode is episode 13, Newtonian mechanics. And that's basically

1:43.8

just to sort of give a bit of a

1:44.9

background as to what comes before special relativity or what it's sort of building on.

1:50.0

In general, it might be helpful to have a bit of background in some other physics concepts,

1:53.7

such as electromagnetism, for listening to this episode, just to sort of give you some,

...

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