英语听力精选进阶版 17128（在线收听）

WBR: New Battery Technology Could End Blackouts 1 May 15

Fri, 1 May 15

Tesla's CEO Elon Musk, unveils a power storage unit that provides electricity during blackouts. We also hear from Simon Daniel, CEO of Moixa, which is testing a rival unit. We also explore how the video games industry is changing with a recent visit to the Games for Change Festival in New York. The event celebrates video games that have some kind of positive social impact and it focuses on gaming that goes beyond entertainment, to educate and tackle problems in society head-on. The BBC's Golda Arthur reports from New York.