Smartphone Wind Speed Meter (Anemometer)

Be a traveling meteorologist with this anemometer attachment for your smartphone. The Vaavud actually works without using any electronics (other than your iOS or Android phone and an app). Inside the rotor of the water, sand, and dirt-resistant Vaavud are a pair of magnets. The app uses your phone’s built-in magnetic field …

read more on Smartphone Wind Speed Meter (Anemometer)…

Firewinder Wind Powered LED Light

The Firewinder is a completely wind-powered LED light. This outdoor light has a cool spiral shape with 14 LED lights surrounding it. When the wind blows, it spins and lights up, creating a really cool lighting effect: The light can be held in your hang or hung from a post or wall. …

read more on Firewinder Wind Powered LED Light…

Renewable Energy Racing Set

thumb

This Renewable Energy Racing Set has palm sized remote controlled vehicles that are entirely powered by mini-renewable energy powerplants. There’s a miniature windmill, a solar panel and a hydrogen fuel cell which can each provide power for the cars. In a pinch the remotes (which take AA batteries) can be used ...

read more on Renewable Energy Racing Set...

Knitter Please…Wind Powered Knitting Machine

thumb

Knitting is so boringly repetitious and requires so much manual labor to push that needle through the yarn and knit up your goodies. I say that as an observer since I’ve never actually knit anything in my life. So I guess technically I can only say that knitting is boring to watch. Maybe ...

read more on Knitter Please…Wind Powered Knitting Machine...