Initially my area of interest was inspired by projected graffiti. Using a high powered lazer pointer, a projector, and a laptop, these people were able to "tag" a very large building.
There is some code that was written to go along with this that created the drip effect, which I believe could be manipulated. you can also create you own shapes and brushes to "tag" with.
Here is an interesting video where the projection actually interacts with the building's windows. Really cool, but the music makes me want to throw my computer. Listen to this one with the sound OFF.
Here is a video I have compiled of a few of my own experiments using a flashlight and a letter "A" I cut out of cardboard. For another experiment I made a makeshift lightbox and wrote on red film. I also came across some interesting finds while shinning the flashlight through an Aquafina bottle filled with red-colored water.
Type Experiments 01