In the mountains of northern Italy, a marvel of engineering stood as a symbol of progress and pride. But one night in 1963, nature reminded humanity who truly held the power. A massive landslide ...

IN the past many investigations have been carried out on the static and dynamic reactions of the human pupil to illumination of the eye using white light. In this respect it seems surprising that ...

He lit the flag to make a point, but it didn’t go the way he hoped. Mild Australia was roused from its apathy, with a ferocity that may have lacked only a few years earlier. The flag burner galvanised ...

Recent developments in nonlinear optics have led to the discovery of a new class of ultrashort pulse, the ‘optical similariton’. Optical similaritons arise when the interaction of nonlinearity, ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.