Our weekly news round-up: Is Elon Musk the answer to South Australia's power supply woes?; Extreme summer in Eastern Australia breaks more than 200 temperature records; Europa Clipper named as NASA's orbiter to look for life on Jupiter's enigmatic moon; Could Fast Radio Bursts be used to power alien light sails?; League of Legends cheat site shut down and fined $10 million; AI better than New York judges in assessing whether it's safe to grant bail; Google does away with Captcha anti-bot measures.