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 ...

In the experiment, a high-power green laser passed through a ruby cube, illuminated from the side by a blue laser. The green laser increased the ruby’s absorption of the blue light, creating a darker ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Scientists now believe that a burst of life known as a gamma ray may have helped play a ...

Under very specific conditions, a laser beam can cast a shadow, challenging our traditional understanding of light. This unusual phenomenon, revealed by a team of researchers, paves the way for ...

Sight begins with light. Look around and everything you perceive is the result of particles of light bouncing off surfaces and traveling to your eyes. For millennia visual artists have played tricks ...

A Flat Earth Society member is planning to build a rocket to see for himself that the world is not round. There are easier ways to determine the Earth's shape without leaving the atmosphere. The ...

Snow shadows under trees created a fascinating patchwork of green and white on the frosted landscape at Arlington National Cemetery on Saturday morning. Snow shadows most commonly form during weaker ...

Researchers conducted an experiment to investigate the initial steps in the formation of aerosols. Their findings are now aiding efforts to better understand and model that process - for example, the ...