Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain ...

In a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat ...

From Lumie to Philips, we tried and tested the best sunrise alarm clocks, with wake-up lights to combat seasonal affective ...

When two beams of laser light are crossed in just the right way, the primary beam is unable to pass through the secondary – ...

"Its multilevel atrium provides all the spaces with light and offers visual connections across programs," she continued. "We wanted the building to amplify social interactions, scholarly ...

From radiators to log-burners, solutions are often expensive and, failing that, ineffective – particularly if you live in an ...