Comment by heycosmo

On a related note, I highly recommend Sean Carroll's series of videos: The Biggest Ideas in the Universe [0]. The fine structure constant comes up in the 10th video on Interactions [1].

[0] https://www.youtube.com/playlist?list=PLrxfgDEc2NxZJcWcrxH3j...

[1] https://www.youtube.com/watch?v=PaRGj5Phpm0