You cannot grind up metal, plastics or paper that might be with the glass without contaminating the glass sand, or plugging up the grinding mill.” [Photo: Andela Products] Her machines ...

Amazing process of making paper from sand may sound surprising, but it’s just one part of a complex and resource-intensive journey that transforms raw materials into the versatile product we use ...

WASHINGTON -- For some years I had thought it a brilliant move to open a glass factory on Cape Cod with its endless source of beach sand in the factory's back yard. That was until Susan and I visited ...