It’s not often Karl Stefanovic is left speechless, but video of a monster 4.5m [nearly 15ft] shark leaping out of the water was enough for him to take a moment of silent awe on-air before saying he would "never go back in the water". Stefanovic introduced the segment looking at new technology that has allowed cameramen for the Discovery Channel to get closer than ever while filming great whites. Their new underwater vessels include a mobile cage called the W.A.S.P (Water Armour Shark Protection) that enables divers to walk along the ocean floor while filming sharks, although being that close...