A Zap of Blue Light Shows Promise Against Food and Sweat Stains
Posted4 months agoActive4 months ago
nytimes.comResearchstory
calmpositive
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20/100
Laundry TechnologyBlue LightStain Removal
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Laundry Technology
Blue Light
Stain Removal
A new method using blue light shows promise in removing food and sweat stains, sparking discussion on its potential applications.
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Sep 5, 2025 at 1:44 PM EDT
4 months ago
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Discussion (3 comments)
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apparentAuthor
4 months ago
1 replyIf this is accomplished with visible blue light, does that mean that using a bright white light could also help, since it would contain some amount of visible blue light?
bell-cot
4 months ago
1 replyGiven how slowly direct sunlight fades things (compared to, say, doing laundry) - I'd say "could also help" would be a rather charitable way to describe it.
apparentAuthor
4 months ago
Yeah, I was thinking high-intensity LED flashlights at point-blank range.
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ID: 45141359Type: storyLast synced: 11/17/2025, 10:14:26 PM
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