The law of conservation of angular momentum states that the total angular momentum of a system is constant whenever the net external torque on that system is zero. The law does not require the system (or its parts) to be rigid. That is why a figure skater spins faster when she pulls her arms in, and why a spinning solid that crumbles no longer rotates as a single object: the same total angular momentum is then carried by the motions of the fragments about the original center of mass.
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September 16, 2026 Wednesday at 10:00 AM PDT
#math #physics #science #angularmomentum #gyroscope
Timestamps (Generated by Grok AI)
0:00 Intro, audio check & going live 2:00 Website rebuild, Hive/Telegram mirroring 3:30 Melissa Doi 9/11 call analysis 5:00 Live coding site features (text size, tools, ads) 19:00 OpenAI Navier-Stokes / AI agents discussion 39:00 Ryan Bannister article & angular momentum intro 1:09:00 WTC debris movement (lateral, not fountain) 1:13:30 Conservation of angular momentum — rigid body vs. fragments 1:17:30 Critique of Ryan, Norman, Fetzer & “spooks” 1:26:00 Fetzer Zoom Q&A breakdown 1:42:00 Animations of a spinning object crumbling 1:48:00 Physics demo: angular momentum after disintegration 2:00:00 Site updates, copyright claim, monetization 2:13:00 Wrap-up
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