If staring out of windows from the top of a tall building makes your palms sweat, this might not be for you. On Space Time Foam at HangarBicocca in Milan, is the latest interactive artwork from Argentinean architect and artist Tomás Saraceno who has become famous for his creation of suspended environments that can be inhabited by people. This latest aerial installation was constructed from three levels of clear film that can be explored while suspended several stories off the ground at HangarBiocca, a former industrial plant that was converted to an arts space in 2004. More