Madison Square Park's Eerie, Electrifying LED Ghost Land

Engineer-turned-artist Jim Campbell's recent installation "Scattered Light" converts New York City's Madison Square Park into a ghostly world of light bulb pixels. Campbell dangled 2,000 floating LED light bulbs programmed to display shadowy human silhouettes passing by.

How did he do it?

Well, keep in mind Campbell is no amateur- with two degrees in electrical engineering and math from MIT, the artist is well equipped to express his vision. But for the D.I.Y. curious, here's a brief snapshot of Campbell's process from New York Magazine.

See "Scattered Light" in action below; the piece will be up for viewing from now until February 2011.