At one point or another, we've all tried to make shadow puppets, twisting our fingers in front of a light to throw a shadow that looks like a rabbit or a dog or whatever. A new exhibition at ...

In a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat previously thought impossible, as light typically passes through other light ...

A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out that if you manipulate a laser just right, then hit it side-on with another ...

This activity is part of the Science Friday Sun Camp collection! For 4.5 billion years, the Sun has generated energy to power the solar system. Visible light is the most obvious form of that energy.

A team of physicists and engineers at China's Hefei National Laboratory has succeeded in conducting the first instance of precise absolute distance measurement over a path exceeding 100 km. The group ...