Above is designer Ken Isaacs inside his Knowledge Box, a 1962 invention meant to educate students through "a rapid procession of thoughts and ideas projected on walls, ceilings and floor in a panoply of pictures, words and light patterns." At right, technicians work on the slide projectors that project the imagery inside the box. More over at LIFE.
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.