Cosmological decrease in brightness and angular broadening in the ionized inter-galactic mediumdetected in the MASIV quasar survey - rickett, B.; Lovell, J.; Macquart, Jean-Pierre; Jauncey, D.; Bignall, Hayley; Kedziora-Chudczer, L.; Ojha, R.; Pursimo, T.; Shabala, S.; Senkbeil, C. (pos-eo@pos.sissa.it, 2008)