Starry Starry Swing

Longtime BABlogee and music composer Greg La Traille sent me a note letting me know about an amazing art exhibit in Zürich, Switzerland called "Starfield", but really it should be called "Star Swing". Why? Well, for one thing, it's a swing. But not just an ordinary piece of playground equipment: It's connected to a Microsoft Kinect that uses the height of the user's eyes, measures the angle of the ropes holding the swing, then calculates the trigonometry necessary to make it look like you're sw...