Month: August 2010

Lost Knowledge: Knot tying

Lost Knowledge: Knot tying

The Lost Knowledge column explores the possible technologies of the future in the forgotten ideas of the past (and those slightly forgotten or just off to the side). We look at retro-tech, “lost” technology, and the make-do, improvised “street tech” of village artisans and tradespeople from around the globe. “Lost Knowledge” was also the theme […]

Codebox: Create a magic wand

Codebox: Create a magic wand

Color tracking is a simple but powerful technique for creating fun new ways to interact with software. Using a webcam as a sensor, a program is “trained” to locate a specific color on some sort of physical pointer. The colored pointer is mapped to an (x,y) coordinate as it’s moved around. Done in real time, […]