It’s hard to talk about how a production was shot, especially a big, expensive production, without talking about clever things that were done with lenses. There are an almost endless number of options ...

Traditional projectors -- like those used to project a film or classroom lecture notes -- pass a beam of light through a tiny image, using lenses to map each point of the small picture to ...

A device called the Rochester Cloak uses an array of lenses to bend light, effectively rendering what is on the other side invisible to the eye. And you can try it for yourself. Michelle Starr Science ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be, the ...

One of the problems with the cloaking devices developed to date -- and it's a big one -- is that they really only work if both the viewer and whatever is being cloaked remain still. This, of course, ...