Boing-Boing republished the above old photo, which I first saw in a Wonder Book, a series of compendiums first published in England sometime in the 1920s, and continued into the 1950s: Human cantilever bridge
Boing-Boing republished the above old photo, which I first saw in a Wonder Book, a series of compendiums first published in England sometime in the 1920s, and continued into the 1950s: Human cantilever bridge
Visual illusions vary. Some can be controlled. For example, I find that once I’ve seen both images in a dual-image illusion, I can see ei...
No comments:
Post a Comment