DIY Black light on your smartphone

All it takes is two permanent markers and some clear tape, and you could have a black light masterpiece in the palm of your hand.

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This Hack Turns Any Phone into a Black Light « Smartphones :: Gadget Hacks

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DIY Blacklight: Use This Hack to Turn Any Smartphone Into a Blacklight

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This Hack Turns Any Phone into a Black Light « Smartphones :: Gadget Hacks

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