BBCNEWS The Engineers August 26, 2021 01:35:00
Efficiency a single solar absorber material could be, like silicon, they top out at about 25%. that's really the practical limit for an actual solar panel with today's silicon technology. so, i'm hearing 6%, 7%, 8% from danielle. i'm hearing 20% from you. we're not quite at our 85%. and all of this energy we generate needs storing, doesn't it? so, kristian, i know you're a man of the fjords and boats and ships have been a constant thread throughout your life, even before you became a marine engineer. so, 90% of the world's trade travels by sea, and as well as 3% of the world's greenhouse gases...