Google's been hard at work over the past 18 months on something not many of us have been paying attention to lately: art. Specifically, the search giant has hooked up with 17 art museums around the world to offer tours of their internal galleries, using its familiar Street View tricycles, and it's also doing high-res images of 1,061 artworks that may be viewed on the newly launched Art Project web portal. Also there, you will find 17 special gigapixel images -- 7,000-megapixel versions of specially chosen artworks, one from each venue. The resulting level of detail is nothing sh