Here’s a small turbine that can be immersed into a stream or mounted on land to catch the wind, whose promoters claim is good for powering remote devices. No one says this is impossible, but at $269, isn’t it extremely …
Here’s a small turbine that can be immersed into a stream or mounted on land to catch the wind, whose promoters claim is good for powering remote devices. No one says this is impossible, but at $269, isn’t it extremely …