How to make Glow Water

Glow Water is a combination of water and fluorescent dye from a highlighter pen. When you shine a UV (black) light onto the glow water, it glows. This video will show you how to extract the dye from the highlighter pen and make glow water.
Duration : 0:1:39

Homemade 85mW Blue/Ultraviolet Laser

This is something I built from an Xbox 360 HD-DVD drive laser diode. Running currently at roughly 85mW if my use of ohms law is correct xD. I had intentions to make these in pen form using rechargeable lithium batteries for resale. Since well the HD-DVD drives were going for dirt cheap and still are.
Just [...]

UltraViolet (UV) by Liam Montier – DVD

Liam Montier takes you into the amazing world of UltraViolet.
With your special UV light ‘hidden’ in plain sight on your keyring, and a pen in your pocket, you’ll be ready to unleash mind-melting magic at ANY TIME.
Combining the amazing properties of the UV light and the UV marker, your magic arsenal will be stuffed to [...]

Blacklight Secret Pen

:::From HouseOfRave.com:::
Write something anywhere and no one will see it unless they have the right tools! Write invisible words on any surface with one side of the pen, and use the other side of the pen to view your message with the built-in black light!
Find out more and purchase at:
http://www.houseofrave.com/blacklight-secret-pen.html
Duration : 0:0:31

Homemade LED UV Light & Test on Depression Glass

I got some UV LED’s at Radioshack and took apart a light up pen for a power source. I wired them in parallel and used a leftover knife switch from my tesla coil. I used an old plastic container for a body and it works great! I’m surprised I didn’t need any resistors… All [...]

UV hot tub – Glow in the dark kiddie pool fun

On a cool Boston night during a tEp lemonade I bring out my UV dye. Just a pinch turns the entire pool glowy green under a UV bulb. Swimming in this nontoxic brew was fun, but is an eye irritant, be careful, be cool, be awesome.
Duration : 0:1:4

Woot Magic #77 – UV Nightshades by Mark Allen and Paul Harri

UV Nightshades
by Mark Allen and Paul Harris
Effect
You borrow a dollar and draw a tiny pair of ink sunglasses over George’s eyes. You cleanly showed both hands to be absolutely empty, then hold the bill by its extreme edge. There’s a moment of silence…then suddenly the shades come to life! The drawing of the glasses VISIBLY [...]

Ultraviolet (UV) Fluorescent Night Light and Message Board

SAFETY NOTE: The UV LEDs you can purchase actually give off near ultraviolet (400nm) light which is in the same range as a normal blacklight. This means they are safe and will NOT damage your eyes or give you cancer. This project is so simple that MAKERS of any age can build it. It gives [...]

Invisible ink Pen and penlight combo

Invisible ink pen writes invisible on most surfaces (not for skin)
only shows under black light. Uses any true black light or the penlight shown here.
Duration : 0:1:25

Invisible UV Pen

UV pen writes on any surface but works best on paper. Write secret messages or make markings that are not visible under normal light, but only visible under a UV light.
Duration : 0:1:27