- cross-posted to:
- hackernews@lemmy.smeargle.fans
- cross-posted to:
- hackernews@lemmy.smeargle.fans
Ultra-white ceramic cools buildings with record-high 99.6% reflectivity::undefined
Ultra-white ceramic cools buildings with record-high 99.6% reflectivity::undefined
Most coatings like paint that have this effect include ceramics to do most of the reflection, but the other paint stuff the ceramic substrate is emulsified in does not have near the reflectivity, so you’re impairing yourself if reflectivity/heat rejection is the only goal.