- 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
But what about it getting dirty and how well does it resist having its nano structure getting damaged? Like, there’s that spray that can make sneakers or clothes virtually stainproof…until you wear them several hours or rub your hand against them.