Learn the secrets laser resellers don’t want you to know. See how you can hack your 200mw laser to burn like a 500mw (or even a 1 watt) laser in just three easy steps.
Not responsible for damages to you or your laser. This video is for entertainment purposes only! Read [...]
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 [...]
Liam Montier takes you into the amazing world of UltraViolet magic. 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.
Available at www.bigblindmedia.com
Duration : 0:1:29
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 [...]
A spectrophotometer is used to measure the amount of light absorbed by, or transmitted through, a solution. Obtain a sample cuvette. Use a pen to mark the top of one side of the cuvette. This mark will be used to insure the cuvette is oriented the same way each time in the sample holder. Rinse [...]
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 [...]
Pixul UV scrie ca unul obisnuit, deosebirea constand in faptul ca pasta acestuia este compusa dintr-o substanta cu luminozitate sporita, fiind invizibila cu ochiul liber la lumina normala.
In capac sau in interior (depinde de model) pixul are o minilanterna cu un led UV a carui lumina se declanseaza prin apasarea întrerupatorului de pe capac.Ca prin [...]
Liam Montier takes you into the amazing world of UltraViolet magic. 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.
Available at www.bigblindmedia.com
Duration : 0:3:54
Het ene eind van de magische pen schrijft met onzichtbare inkt , het andere einde schijnt ultraviolet light.
Het ultraviolet light kan ook gebruikt worden als valsgeld detector !!!!
De onzichtbare inkt pen kan op alle materialen gebruikt worden zoals huid , kleding , CD’s , DVD’s , glas , hout , plastic. Wanneer jouw geheime boodschappen [...]
This is Wolfcom’s invisible ink 007 spy pen, the pp-800. With the 007 Spy Pen you won’t risk having your secret messages fall into the wrong hands! Your message will be invisible to the naked eye but can be clearly seen using the included ultraviolet light. You simply write your message (which will be [...]
