If you've been around long enough, you've probably seen the Strandbeests of Theo Jansen. Wind-powered kinetic animal-like sculptures that trek across the beaches. He's still at it, now chaining them together.
German artist Mario Klingemann has made a fluffy robot dog that produces art critiques by pooping them out of its butt.
Artist David Bowen has connected a plant to a robotic arm holding a machete. The electrical signals within the plant control its movement.
Just explore this incredible isometric pixel art world in your browser. Filled with tons of little details and references.
Dries Depoorter built software to scan online public cameras and link them to geotagged instagram posts from the same location. Basically finding people from a single instagram photo and potentially tracking them across any public (or not) camera out there. Technically impressive, yet disturbing.
There was a video on the page too, but it seems to have been pulled due to a copyright claim from Earthcam who, I imagine, weren't very happy about their cameras being used for this.