Last year, our friends at the Imaginary Foundation opened an all-too-temporary art installation in San Francisco's Lower Haight district. Fortunately, they have now created an interactive virtual gallery to preserve this wonder of culture and chalk. From "The Undivided Mind": 
The Director of The Imaginary Foundation had longed dreamed of creating a physical environment to portray the wondrous intersection of Science and Art. Whilst fine-tuning his symmetrical harmony inducer one night, he remembered the words of Leonard Shlain that so eloquently describe this concept in his book, Art and Physics: Parallel Visions in Space, Time, and Light: "Of the many human disciplines, there are few that could seem more divergent than art and science. The artist employs image and metaphor; the scientist uses number and equation. Art creates illusions meant to evoke emotion, while science engages in the pursuit of empirical verification…"
per Boingboing
