The Romans Called it ‘Alexandrian Glass.’ Where Was It Really From?

By Katherine Kornei from NYT Science https://ift.tt/2XbQsGy
via IFTTT The Romans Called it ‘Alexandrian Glass.’ Where Was It Really From? Trace quantities of isotopes hint at the true origin of a kind of glass that was highly prized in the Roman Empire. Science New York Times July 30, 2020 at 07:00PM