Maybe that was the idea behind Computer Science Unplugged ... For the sorting unit, the kids go outside and draw with chalk on the pavement or use tape on the floor indoors.

Researchers at MIT and Arizona State University have designed a computer program that allows users to translate any free-form drawing into a two-dimensional, nanoscale structure made of DNA.

Obama became the first president ever to write a computer program. It was a very simple program—all it does is draw a square on a screen—but that's the point, says Hadi Partovi, co-founder ...