where did the glass on glass beach come from
Glass Beach (Fort Bragg, California) Glass Beach is a beach in MacKerricher State Park near Fort Bragg, California, that is abundant in sea glass created from years of dumping garbage into an area of coastline near the northern part of the town.[1]
History of optics The earliest known lenses were made from polished crystal, often quartz, and have been dated as early as 750Â BC for Assyrian lenses such as the Nimrud / Layard lens.[2] There are many similar lenses from ancient Egypt, Greece and Babylon. The ancient Romans and Greeks filled glass spheres with water to make lenses. However, glass lenses were not thought of until the Middle Ages.