Blue light

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Experimental study finds no evidence that the blue light from tablets negatively affects sleep quality in young children

Removing yellow stains from fabric with blue light

Ugly yellow sweat stains may be no match for blue LED light | The blue light was most effective at removing yellow squalene stains, without damaging the fabric

Little white lies about blue light

Scientists use light to expand implants, reducing child heart surgeries | Blue light has enough energy to start the reaction while remaining safe for living tissues.