A Zap of Blue Light Shows Promise Against Food and Sweat Stains

Comments (3)

apparent · 4h ago

If 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 · 4h ago

Given 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.

apparent · 3h ago

Yeah, I was thinking high-intensity LED flashlights at point-blank range.

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A Zap of Blue Light Shows Promise Against Food and Sweat Stains

Comments (3)