It's a blast for the E-ELTThe process of preparing the mountain-top site in Chile for the European Extremely Large Telescope began on 19 June with a blast loosening 5000 cubic metres of rock on the top of Cerro Armazones.The E-ELT will be the world's largest optical/infrared telescope and the elaborate levelling process to prepare the peak will involve the removal of around 200 000 m 3 of rock in total.The civil engineering works should be complete by autumn