主播大秀

How a security bug let anyone take full control of Mac computers without entering a password. Professor Angela Sasse from the department of computer science at University College London tells us how Apple made an "elementary" mistake. Plus, are the energy costs of mining the cryptocurrency Bitcoin becoming excessive when everyone is supposed to be reducing their carbon footprint? And, as e-sports continue to grow, we chat to games caster The Rum Ham and professional player ElecTr1fy ahead of the Clash Royale Crown World Championship final in London. Presented by Rory Cellan-Jones, with 主播大秀 tech correspondent Mark Ward, and special guest Hilary Lamb, news reporter at the Institution of Engineering and Technology magazine E&T.

(Image:An Apple employee points to the Touch Bar on a new Apple MacBook Pro, Credit: Stephen Lam/ Getty Images)