Just like destroying an ant colony with a magnifying glass, there’s nothing like cooking ... [Uwe] came up with a much more technical means of building a Fresnel reflector that will cook ...

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.

Closeups of Secretary of State Clinton taken during her Senate testimony Wednesday revealed that her head injury last month left her with lingering vision problems. As she testified about the ...

Others prefer to carry credit card-size Fresnel lens fire starters. However, even if you find yourself without any of these magnifying devices, your glasses are, by design, magnifiers, and can be ...

Fresnel lenses are all around us, but this vase puts the commonplace technology to work in an entirely new way. Borrowed From Old Lighthouses, A Method For Super-Powerful Solar Power With the help ...