Great ideas are sometimes the most soft-spoken, and quite silent!
Silent magnetic wind turbine
“Meant for YOUR rooftop, uses magnetic coils instead of traditional turbine parts… NO sound at all. …very lightweight so moves in slightest breeze, but tough – can handle sustained winds up to 45 mph.”
“The 2010 Enviro-Expo highlights some of the best new ideas and gadgets in the environment and “green” field of thought…”