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Removing yellow stains from fabric with blue light

(www.acs.org)
14 points gnabgib | 2 comments | 05 Sep 25 23:04 UTC | HN request time: 0.437s | source
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tianlong ◴[06 Sep 25 08:05 UTC] No.45147486[source]▶
Interesting that blue light is enough! Sun drying clothes is the most effective way to get rid of annoying stains, as any Mediterranean parents would know (UV cleans even better than blue light!).
replies(1): >>45149074 #
1. ntlk ◴[06 Sep 25 13:24 UTC] No.45149074[source]▶
In the tests they’ve conducted the blue light had better results than the ordinary UV light.
replies(1): >>45164854 #
2. tianlong ◴[08 Sep 25 05:20 UTC] No.45164854[source]▶
That's quite surprisingly!