Mysterious glass found in desert may be from space

The Great Sand Sea is a 72,000 km desert between western Egypt and eastern Lybia in the Sahara. If you visit, you may be lucky enough to find a piece of bizarre yellow glass like the samples above. A very unusual glass due to its high silica content, this rare kind of glass is valued by collectors and was part of a pendant found in King Tut's tomb. — Read the rest