Light Drawing

I wanted to experiment in the dark room with light, the first person to ever do light drawing was Picasso. I wanted to get the trails from the light, to get this effect I had to put the shutter speed very low (on ten). Then I put the Nikon camera on the tripod, and put the camera on a self-timer. The results demonstrates the principle that with slow shutter speed. Anything that moves will blur, but anything stationary in the photo will stay in focus. To get the different colour lights I placed different pieces of coloured plastic over the torch to create different colour lights in the photograph. 

Here are some examples of Picasso's light drawings;