Wind power is currently one of the great hopes for long-term sustainable energy technologies… so you might be surprised to learn how long it has been around. The earliest known windmill design dates as far back as 500 A.D., to ancient Persia, where they were used to grind grain and pump water. Reeds were bundled together to create vertical paddles that spun around a central axis. More windmill history here.
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Blogroll
- Set your DVR to Sundance Channel for BURNING ICE - a film about global warming from filmmaker Peter Gilbert. greenlandoceanblue.com 2 years ago
- There’s no ‘k’ in coal. Just one ‘l’. Tell me if I’m going too fast ~ Enemy At The Gates: Friday’s Focus? Offbeat... http://bit.ly/cluwlU 2 years ago
- The most powerful argument of all for saving open space is economics; in most states, tourism is the number two in... http://bit.ly/ainAZJ 2 years ago
- Poetry is plucking at the heartstrings, and making music with them ~ Dennis Gabor: This Friday’s Focus is POETRY. ... http://bit.ly/9S3A13 2 years ago
- I'm not going to a matchmaker! That's like giving up! It's the man version of getting a cat ~ dialogue from How I ... http://bit.ly/cL0qmp 2 years ago
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