Showing posts with label Grooved Spheres. Show all posts
Showing posts with label Grooved Spheres. Show all posts

Monday, June 6, 2011

Grooved Spheres - Undefined Mysteries


South Africa have been digging up mysterious metal spheres. Origin unknown, these spheres measure approximately an inch or so in diameter, and some are etched with three parallel grooves running around the equator. Two types of spheres have been found: one is composed of a solid bluish metal with flecks of white; the other is hollowed out and filled with a spongy white substance.