Light Graffiti.

Light graffiti sometimes referred to as light painting is a technique that artists are able to achieve through photography (and photoshop in some cases). A slow shutter speed is able to caputure the light that is painted in front of the lense. I am by no means a pro at this technique but I have a pretty good understanding of it due to a black and white photography class that I took last year. I think light graffiti is so awesome and I came across this photographer who is worth checking out -- Michael Bosanko. Make sure you look at some of the work on his website or google image his name!