Wat is an innovative ambient lamp designed by French designer Manon Leblanc. This unique lamp uses few drops of water to generate light. Energy is produced by a hydro-electric battery composed of a carbon stick coated with magnesium powder. When water is added to the battery, it creates an electro-chemical reaction which in turn generates light. It surely is an innovative and versatile lighting unit to showcase in your living room or office. Check out the pictures.