Ideas & society2025 · shared on Hacker News
Capillary flow as the cause of ring stains from dried liquid drops (1997)
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Ymichalpleban ·
Why are coffee stains darker at the edges?
135 points45 comments
Ybookofjoe ·
Capillary flow as the cause of ring stains from dried liquid drops (1997)
4 points0 comments