Photographic experiments
Using photographic paper in a homemade pinhole camera, you can catch the path of the sun. These are 2-months exposure photographs. Detailed explanation here.
By replacing the lens of your digital camera with a tiny aperture like a lens cap pierced with a 0.1 – 0.5 millimeter hole, you obtain a pinhole camera, giving a – theoretically – infinite depth of field. Here, the hole is a bit large, resulting in blurriness and softness, as the light is not perfectly focused. Detailed explanation here.
Simple collages I made. More to come.