Ancient Technology Prehistoric Hi-Tech Nanospirals Barely Visible To The Naked Eye: Still Remain An Unsolved MysteryAncientPages.com | March 4, 2014 A.Sutherland - AncientPages.com - Strange microscopically small nanospirals within the material that had to be at least 100,000 years old have been detected in several places, during a routine investigation Read More