LED-Embedded Rocks Used to Illuminate 'Digital Campfire' http://ifttt.com/images/no_image_card.png

Dutch artist Daan Roosegaarde has created a "digital campfire" out of 700 small crystalline rocks containing LEDs that light up when people interact with them.



via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/QjUZoIRE5Dc/