Theoretical physicist. Publications and online courses on field theory, group theory, chaos, turbulence - http://ChaosBook.org/~predrag. Please list your good online talks on https://researchseminars.org, blueprint them here. Don't give bad talks, period.https://bsky.app/profile/chaosbook.bsky.socialhttps://bsky.app/profile/chaosbook.bsky.social/post/3mqjqeze2ts2o @hcrichardson.bsky.social Thank you - deeply in debt for what I have learned from you. [contains quote post or other embedded content]13 Jul 2026 12:54 +0000at://did:plc:tf4vwsfuhzsrcbehvo2ecrnm/app.bsky.feed.post/3mqjqeze2ts2ohttps://bsky.app/profile/chaosbook.bsky.social/post/3mqffl6bnr22iYou don't need the weatherman to know which way the wind blows. But OK, Feynman, if that helps. [contains quote post or other embedded content]11 Jul 2026 19:30 +0000at://did:plc:tf4vwsfuhzsrcbehvo2ecrnm/app.bsky.feed.post/3mqffl6bnr22i