"Watercolor Walls," the latest project by San Francisco-based art collective Anticlockwise, combines light, cameras, and audience participation to turn your silhouette into a flowing pattern of projected colors. At the
Academy of Sciences' weekly NightLife event last night, Ilana Siegelman dances to create silhouette trails of herself on the screen. She said it was "easy to play with," once she figured out that she could change the colors by using a projected palette.