California´s huge, humiliating power outages expose the vulnerabilities of PG&E´s power grid
(World News Science)

California has always prided itself on being a high-tech pioneer. One exception? Power distribution. With Pacific Gas & Electric Co. expected to cut electricity to 800,000 customers this week, the state is confronting its reliance on a transmission network that predates climate change, solar panels and lithium-ion batteries, depending instead on electric lines strung over thousands of miles on vulnerable wooden poles. Until that changes, experts say, utility executives are sure to cut electrical service to large sections of the state during high winds, rather than risk downed lines and transformers like those that have sparked deadly wildfires over the last two years. Utility operators...