Scientists discover nanofabrication of photonic crystals on buried ancient Roman glass - Phys.org
phys.orgSubmitted by physorg8953 in science
Some 2,000 years ago in ancient Rome, glass vessels carrying wine or water, or perhaps an exotic perfumes, tumble from a table in a marketplace, and shatter to pieces on the street. As centuries passed, the fragments were covered by layers of dust and soil an…