Sun, Aug 23 06:43 PM

Phoenix tried a reflective coating on black asphalt; noon surface heat fell 12°F

Hacker News•Sun, Aug 23, 2026, 04:43 PM•2 min read

4 points, 2 comments on Hacker News

Source: [Hacker News](https://economictimes.indiatimes.com/news/international/us/phoenix-swapped-black-asphalt-for-a-reflective-road-coating-noon-surface-heat-fell-12f-but-pedestrians-faced-higher-radiant-heat/articleshow/133421891.cms?from=mdr)

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