Many destinations rely on their flagship museums as tourist attractions, and Italy, which boasts gems like the Uffizi or the Vatican Museums, can count on some of the world’s most outstanding art collections. The Web, however, does not appear to be fully exploited under this respect. This paper investigates the web presence of some of the most visited art museums in Italy. To this end, a framew...

We consider directly the equations by which matter imposes anisotropies on freely propagating background radiation, leading to a new way of using anisotropy measurements to limit the deviations of the Universe from a Friedmann-Robertson-Walker (FRW) geometry. This approach is complementary to the usual Sachs-Wolfe approach: the limits obtained are not as detailed, but they are more model-indepe...