Making a glass Fresnel lens with its concentric rings requires even more work, but as the ever-resourceful [Robert Murray-Smith] shows us, a Fresnel lens can be made from far more mundane materials.

If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...

Fresnel Technologies Inc. purchased the lens division of Lectric Lites Company in December 1986, and moved into new quarters at 101 W. Morningside Drive in Fort Worth in July 1987. The facilities ...