
Helix Wind. With its elegant, rippled white shape, and the ability to work with any wind greater then 4.5 mph, requiring only 14 feet in height, these turbines bring it all home, literally.

Helix Wind. With its elegant, rippled white shape, and the ability to work with any wind greater then 4.5 mph, requiring only 14 feet in height, these turbines bring it all home, literally.
It’s been a long, strange trip for this universe we call home.
Geological Time Machine
Origins
Life Through Time
Encyclopedia of Life
Going Way Back
Food Timeline
In the Beginning
Population One
Interactive Population Map
World Religions
Six Billion Others
The Miniature Earth
Learning the Java Language.