Hacker News
- The Polarization Spiral https://www.persuasion.community/p/haidt-and-lukianoff-the-polarization 142 comments
- Astronomers Unveil Strong Magnetic Fields Spiraling at the Edge of Milky Way’s Central Black Hole, Using a New Image Studying Polarized Light https://cfa.harvard.edu/news/astronomers-unveil-strong-magnetic-fields-spiraling-edge-milky-ways-central-black-hole 13 comments science
- The Doom Spiral of Pernicious Polarization https://www.theatlantic.com/ideas/archive/2022/05/us-democrat-republican-partisan-polarization/629925/ 35 comments politics
- Why do people on hallucinogenic drugs so often see spirals or concentric circles? Because the human visual system is a polar-to-Cartesian coordinate transform, and linear disturbances in the brain spread with diff. eq.s similar to those that give zebras stripes. Worth reading. https://plus.maths.org/content/uncoiling-spiral-maths-and-hallucinations 143 comments math