By Aaron Souppouris, Source: Engadget

What if you could paint with your shoes? Electronic Traces is a pair ballet pointe shoes that sends a dancer’s movements to a nearby smartphone. Using Lilypad Arduinos, they record pressure and movement whenever they touch the ground. This data can then be visualized by an accompanying app, allowing dancers to view their performances after the fact, or compare them to others’.

See more at: Engadget