2026-08-23 18:33:43
#Science #NoFreeLunch #ThermoDynamics #Undefeated
Phoenix painted roads white to test the effects. Ambient temps dropped 12 degrees...but pedestrian heat effects *rose* 5 degrees from the increased/reflected radiation.
The problem is cars.
https://timesofindia.indiatimes.com/world/us/in-2020-phoenix-coated-36-miles-of-roads-to-fight-extreme-heat-surfaces-became-12f-cooler-at-noon-but-heat-exposure-for-pedestrians-rose-5-5f/articleshow/133443095.cms