Vijay Kumar: cooperative flying robots

I have just republished my article about Vijay Kumar and its small cooperative flying robots in English on my new blog Grids at work. You can read it here.

http://www.ted.com/talks/vijay_kumar_robots_that_fly_and_cooperate.html

Being green and green washing

Please go and read my last article on SolarKiosk as an example among others of situations where being green is not about brand marketing but about economical survival. It's on my new blog Energy in transition.