The Fifth Column Many Worlds, Bad Science, and the Strangeness of Being w/Sean Carroll (Members Only #307)
9 snips
Mar 9, 2026 
Sean Carroll, theoretical physicist and science communicator known for work on quantum foundations and cosmology, joins to talk multiverse ideas and the many-worlds interpretation. He also explores how scientific concepts seep into culture and the risks of bad science and online overconfidence. Short takes on music, reading, and why expertise often gets misunderstood.
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Physicist Took Up Bass Then Stopped
- Sean Carroll learned electric bass during the pandemic but dropped it after moving to Baltimore due to busy schedule.
- He prefers listening to virtuoso bass in jazz and progressive rock, naming Yes and ELP as favorites.
Consulting For Marvel Came With NDAs And Little Pay
- Sean Carroll consulted on Marvel films and got a sweatshirt but says consulting rarely pays and comes with NDAs.
- He recounts being involved with time-travel discussion for Avengers Endgame and the studio's reluctance to let consultants steer plots.
Science Ideas Spill Into Popular Fiction
- Sean Carroll links the cultural rise of multiverse and time travel stories to shifts in scientific ideas entering popular imagination.
- He compares the late 19th-century emergence of time travel fiction after physics changed to today's multiverse fascination.
