Scientists have found a new way to navigate beams of light through dynamic scattering media, such as the turbulent atmosphere ...

She told the BBC's Good Morning Ulster Programme that the lighthouse currently produces a "beautiful" and "reassuring beam" that she said an LED "cannot produce". She said that the current cost of ...

The difference in density refracts, or bends, the light waves that travel through the cold air. For example, Sheppard said, imagine a lighthouse shooting a beam of light across Lake Michigan.

Some women wouldn't settle for being housekeepers. They became lighthousekeepers. A Women's History Month presentation by the ...