Imaging

This is not a spiral

This is not a spiral

Slightly off-topic, here, but I see lots of these optical illusion posts on the web, and although some of them are pretty impressive, this one borders on voodoo. I had to run my mouse pointer over the blue traces a few times to persuade myself. I’ve overlaid some big yellow circles on the original image, which you can see, below, after the jump, to save you the trouble. [via Neatorama]

Math Monday: Hexagonal stick arrangements

Math Monday: Hexagonal stick arrangements By George Hart for the Museum of Mathematics Interpenetrating hexagonal arrangements of sticks are a challenging mathematical exercise to assemble from pencils. Four different directions are used, as color-coded here. The above sculpture, 72 Pencils, has tiny dots of glue to hold itself together, but you can easily use eight […]

Virtual 3D “fish tank” box has screens all around

Virtual 3D “fish tank” box has screens all around

The brilliant (if perhaps poorly named) pCubee from The University of British Columbia’s Human Communications Technology Lab is exactly what it appears to be–a box with flat screens on 5 sides. Both the user’s position and the orientation of the box are tracked to provide a real-time, perspective-corrected illusion of 3D forms “inside” the box. I want one with an impossible pet inside, like a baby Totoro or something. [via Geekologie]

Money counter flip-book animation

Too late for DIY Movie Making Month, but I couldn’t resist sharing this video created by Rethink Communications, Giant Ant Media, and Wave Productions to promote Design Week Vancouver, which is coming up at the end of April. They printed out over 2,000 bill-sized “frames,” ran them through a bill-counter, and filmed the stack piling up in the receiving tray to create the illusion of motion.