28 million year old Libyan desert glass: ‘It has extremely unusual properties. It is strangely pure for a natural glass. It melts at 1700 degrees rather than 1100 degrees for normal glass. It can be dropped into cold water when red hot without shattering.’ Can...
“The hills are shadows, and they flow From form to form, and nothing stands; They melt into mist, the solid lands, Like clouds they shape themselves and go.” Alfred Tennyson’s “In memoriam A.H.H.” 1849 I simply can’t live without this...
