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Péter Hraskó
Péter Hraskó
Proffesions
retired professor
Photos
Mikor nem forog egy űrhajó? (a NASA új űrkísérlete
kifu
Péter Hraskó
14 years ago - 18:41
Energia vákumból (Casimir effektus)
kifu
Péter Hraskó
14 years ago - 59:14
