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solar energy: Related Content
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solar constantwind energysmart gridsolar powerspace-based solar powersolar wind power satellitesolar radiationenergy flowenergycombustionnuclear powergeothermal energywind powerbiofuelsteam powerhydroelectric powerbiogaselectric powersolar eclipse
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Paul Beattie MacCready
American aeronautical engineer

Mária Telkes
American physical chemist and biophysicist
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