Apr 3, 2015
seen from South Korea
seen from Finland
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seen from Türkiye
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seen from United States
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seen from United States
Victor Grebennikov researcher best known for his claim to have invented a levitation platform. http://en.wikipedia.org/w/index.php?title=Viktor_Grebennikov&oldid=609707757
http://www.rexresearch.com/grebenn/grebenn.htm
Experimental researches http://www.villesresearch.com/experiments.html