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Old 06-24-2008, 02:05 PM   #118
alkemical
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MIT Group Makes Low-Cost Solar Concentrator

Via: Boston Herald:

Spencer Ahrens, a 23-year-old mechanical engineer, was on MIT’s campus last week, holding a wooden plank, surrounded by onlookers.

Slowly, he turned that wooden plank before a series of mirrors that had been placed inside an aluminum frame, until the wood caught fire.

That was quite a moment, recalled Matthew Ritter, one of the onlookers.

“Let’s just say it was a small combustion for wood materials, but a giant explosion of solar energy,” he said.

Ahrens, Ritter and the other people who helped create the solar-powered dish that harnessed the sunlight that eventually burned the wood say they’ve just created the world’s most cost-efficient solar power system.

They also say these dishes may revolutionize global energy production.
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