renewable power sources

Is This The World’s Most Efficient Windmill?

Household & Building • May 11, 2009 • 16 Comments

Sometimes the epitome of efficiency is using whatever tools are available to accomplish the job at hand. No one understands this better than William Kamkwamba, a teenager from rural Malawi whose ingenuity provided his family and neighbors with electricity from a most unlikely source.

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Storing Sunshine Using Flow Batteries

Uncategorized • July 17, 2007 • 2 Comments

Flow batteries are a unique kind of battery — they have tanks that hold hundreds of gallons of the chemicals, called electrolytes. Flow batteries just happen to be very good at storing solar or wind power. Renewable power sources suffer from being intermittent, and less reliable for continuous power supply than coal or gas. Neither

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renewable power sources

Is This The World’s Most Efficient Windmill?

Storing Sunshine Using Flow Batteries

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