FLINT, Mich. (CN) — The United States sued a Michigan museum for two giant, century-old lenses that “revolutionized lighthouse optics” in the 1800s, making light visible for more ...

The historic Fresnel Lens, once housed in the Point Vicente Lighthouse, has finally found its resting place. The mysterious lens — looking like a gigantic, glass head sculpture of C-3PO from “Star ...

The popular French lens design was originally created for lighthouses The popular French lens design was originally created for lighthouses is a senior editor and founding member of The Verge who ...

You may know them best for their original use in lighthouses, where they're famously recognised as "the invention that saved a million ships". Or perhaps you initially think of their employment in ...