UV Fun

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Introduction: UV Fun

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Simple, fun, and outrageously cliched (for me at least, since Im in a dorm and all) project to decorate for Halloween using a blacklight.


Step 1: Parts

All that is needed is a blacklight and some uv paint. A cheap substitution for the paint is liquid laundry detergent; I used tide with bleach alternative, but almost any kind will do. Laundry detergent glows under UV light because phosphors are added so that when the clothes are in sunlight they appear brighter. A pretty clever/sneaky (depends on how you look at it) trick by the detergent companies.

The black light I used is a 30 in. Phillips 20W bulb stuck in a plastic holder that used to hold the light for my fish tank.

Step 2: Paint It On

I just poured some detergent in a cup and started painting the skull on the outside of the plastic blind for my window. It is good to work with the UV light on so you know where you are painting. I didnt have any brushes so I just painted it on with paper towels. I was dissapointed when I went outside and saw that it was hard to notice, maybe the blue just does not stand out enough.

I ordered some green UV paint on e-bay. Ill probably have it sometime next week, and hopefully it will stand out more.

Step 3: Update: Instructional Video

The folks over at howcast.com have created an instructional video based on this project.


4 People Made This Project!

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46 Comments

Has anyone attempted to convert tide dish detergents from UV into purple color then try to cause a blue or green glow stick to glow? Becareful since Phenol oxalate is toxic the active chemical in some glowsticks.

The laser is at 405 nm 100 mw laser line. Absorption 405 nm.

You should do a instructable on perhaps Dye lasers that can be easily done with a Nitrogen laser.

Some how the acetone water mixture changes the solubility of the dye and changes the light output.

What if you mixed that(detergent) with fake blood?

Then you would get clean blood.

LOL awesome comment..clever...

BaBoom...TING

nice ible its really cool and well written :)

Oily handprints also glow well under a blacklight.