Turn Your Smartphone into a Portable Black Light [How-To]



How to Turn Your Smartphone into a Portable Blacklight
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In this video, I’ll be showing you how easy it is to use your iPhone or Android smartphone as portable black light using only a couple of markers and some tape. If you’re worried about getting ink on your camera like me, feel free to tape over that too to protect it. It’s not necessary…

29 thoughts on “Turn Your Smartphone into a Portable Black Light [How-To]

  1. It’s not a black light it’s just the illusion of a black light with a dim blue shaded light and a bright yellow highlighter, black lights actually emit ultraviolet light

  2. I did the experiment with 6 layers of tape, each one with a black dot I drew with a black marker to cover the flash of my phone, to literally make the light totally black with the light on. I think I went too far.

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