This optical illusion reveals more than meets the eye, whether you see endless reflections or a trapped moment says a lot ...

Researchers demonstrate a new technique for suppressing back reflections of light, leading to better signal quality for sensing and information technology. Researchers demonstrate a new technique for ...

I SUPPOSE that everyone is familiar with the beautifully graded illumination of a paraffin candle, extending downwards from the flame to a distance of several inches. The thing is seen at its best ...

“If you wanted to take a picture of the rocket as it flew past, you would have to take into account that the light from ...