

Most pre-putin-era russian music stars are in exile somewhere in europe. They should coordinate together, make a big concert in some safe place, with clear political messages, some might penetrate through to people behind the state-tv propaganda wall.
Interesting concept, but the efficiency compared to standing turbines needs to be calculated based on the expected lifetime. What’s the leakage rate of the helium? What’s the resistance of the fabric (or whatever it’s made of) and cables to UV light ?