Take a small strip of clear sticky tape and place it over the flashlight LED on the back of your phone. Now gently colour the area directly above the LED blue. Place another piece of tape over the first one, being careful not to smudge the ink. Then repeat the first step but this time using the purple marker.Click to see full answer. Similarly, you may ask, can you make a blacklight with your phone?How to Turn Your Smartphone into a Black Light. Place a small piece of tape over the LED flash on the back of your iPhone or Android smartphone (will also work on tablets with built-in flashes), which should be close to your rear camera. Color on top of the tape with blue marker so that it covers the flash.Furthermore, is there a difference between UV light and blacklight? The Difference Between UV Light and Black Light. Black light is nothing but UVA light, while UV light is basically composed out of UVA, UVB and UVC. So in other words, black light is UV light(450-100nm), covering the 400-320nm spectrum. Similarly, what colors make a black light? How to make a black light out of a flashlight A flashlight. Blue and purple cellophane or clear plastic wrap. A blue and a purple marker (if you are using the plastic wrap) Scissors. Rubber Bands. How do you make things glow in the dark without a blacklight?Use a emitting diode (LED) to produce a similar glowing effect without an ultraviolet light. Apply a blue or purple LED light to a glass of fluorescent-dyed water to make it glow without a black light.. Find this Pin and more on Blacklight Jello Club by Xoe Cranberry.
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