The “Water Light Graffiti” is a surface made of thousands of LED illuminated by the contact of water. You can use a paintbrush, a water atomizer, your fingers or anything damp to sketch a brightness message or just to draw. Sweet. Via Google Creative Sandbox on Google+
Water Light Graffiti by Antonin Fourneau, created in the Digitalarti Artlab from Digitalarti on Vimeo.