"An experience unlike any other", so says The NY Times. Art Authority for iPad transports you to an enthralling, real-world art museum filled with works by over 1,000 of the western world’s greatest artists, from ancient times to today. Over 50,000 paintings and sculptures, organized into eight period-specific rooms, each room a gateway to a whole museum’s worth of art. Choose an artist by movement or name, and become instantly immersed in an exhibition devoted just to that artist. Search for and compare different artists’ works by title, subject or location, or just wander at random and get lost in the art. This weekend this app is half price at…