GALLIUM Parabolic Liquid Mirror similar to a mercury mirror 200 grams

	GALLIUM Parabolic Liquid Mirror similar to a mercury mirror 200 grams Melted gallium spinning at a variable RPM, concentrating sunlight to form a parabolic mirror that can burn a hole in the leaf. http://greenpowerscience.com/ ...	From:GREENPOWERSCIENCE Views:21627 400ratings
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