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 ...

As the shutdown of the 3G network approaches, millions of Australians are switching over their phones to make sure they are ...

Fresnel lenses are specialized optical components with grooved surfaces instead of traditional curved ones. Owing to their unique design, Fresnel lenses are thin and lightweight, typically have short ...

The Chocolate Factory Theatre, an experimental arts company in Long Island City, announced an activity packed day of ...

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.

Lampist takes measurements to make parts for Fresnel lens Restoration work kicked off last week at the Eagle Bluff Lighthouse ...

The latest by the New York Times bestselling author is a riveting account of the months leading up to the Confederate forces' ...

Here’s an update on which N.C. lighthouses are open to the public and whether visitors will be allowed to ascend their ...

The temporary LED light is installed on the top of scaffolding that now surrounds the lighthouse at Cape Hatteras National ...

What will eventually sit atop the lighthouse once restoration work has been completed is a replica of its original ...

The CPV-iTEC hybrid system consists of a Fresnel lens, a photovoltaic cell, and an iTEC with electrolyte flow. It uses the ...

Armed police have been deployed in the centre of Paris following reports of a threat to the Iranian consulate. French media ...