sfn360

“From an old radio tube, some copper wire, and other inexpensive materials — total cost: roughly $20 — you can construct an X-ray machine that will make good pictures through an inch of wood.” http://www.noah.org/science/x-ray/stong/ http://www.noah.org/wiki/Polaroid_X-ray_Machine I’ve been saving up parts, but I can’t seem to find any Polaroid film.