Question: I want to add ceiling lighting and a ceiling fan to my living room, but no wiring is up there. I would like to add decorative box beams and run the wiring through them. How can I do this?

DENVER — Strange beams of light extending into the sky were spotted around the Denver area Thursday night and Friday morning. They almost looked like science fiction; like a transporter beam to a ...

A surprising trick that allows a beam of light to be completely absorbed even in the thinnest of layers: Using mirrors and lenses, a 'light trap' can be constructed, in which the light beam is steered ...