Could flying wind farms be the future of energy generation in China?

A giant airship launched in a densely populated area of southwestern China earlier this month has set social media on fire. Footage of the S2000, the world’s most powerful flying wind farm, in the skies above Yibin, Sichuan province, prompted comparisons with an alien spaceship or the airships that featured in the animated film Big Hero 6. The white airship – measuring 60 metres (200 feet) in length and a width and height of 40 metres – was filled with helium on the ground before ascent,...