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http://en.wikipedia.org/wiki/Stirling_engine http://en.wikipedia.org/wiki/Stirling_engine There's more ways to harness solar energy than photovoltaics.
by lectrick 13y ago
http://en.wikipedia.org/wiki/Stirling_engine http://en.wikipedia.org/wiki/Stirling_engine
There's more ways to harness solar energy than photovoltaics.