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Ryan Dahn

@ryandahn.com

1K followers 1.3K following 661 posts

Editor at @physicstoday.aip.org. Historian studying Nazi science by night. Passionate about Philadelphia urbanism, sports, and politics. All opinions my own. ryandahn.com

Posts Replies Media

Ryan Dahn @ryandahn.com · 22/09/2026

prob should have waited till they finished running the top 100. forgot about Chappelle's Show. tough omissions include Reservation Dogs, Say Nothing, Eastbound & Down, Vice Principals, The Rehearsal, Nathan for You, and many more...

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Ryan Dahn @ryandahn.com · 07/03/2025

pretty impressive turnout at the @standupforscience.bsky.social rally here in Philly!

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Ryan Dahn @ryandahn.com · 19/04/2024

spotted today turning onto City Ave — (obviously fake) Delaware temp tag with handwritten expiration date of 1/30/2024, with an illegal tinted plate cover. how is this car on the road???

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Ryan Dahn @ryandahn.com · 24/05/2023

still waiting for @PhilaParking to tow this car without a plate that's been sitting abandoned in front of 2000 S 15th St for months...how is it so hard to do this???

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Ryan Dahn @ryandahn.com · 10/03/2023

New from yours truly: A look back at the legendary general-relativity textbook Gravitation as it nears its 50th anniversary. How many 1279-page physics books end with a groovy two-page spread like this one?

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