Calder and Moholy-Nagy made the same gravity-defying experiments in three- dimensions. Yves Klein ... Nam June Paika#39;s video installation, Moon is the Oldest TV (1976), showed the moona#39;s phases on a succession of monitors. ... Two years later, Woods helped to organise Ars ad astra, the first group show in earth orbit - with 20 small graphic works displayed on Mir. ... In zero gravity, new alloys and metal compounds can be created, paints mix differendy, new colours are possible.