At the edge of a university rooftop in eastern China, scientists used a trick from astronomy to read an eight-millimeter-tall ...

It turns out that if you manipulate a laser just right, then hit it side-on with another light source, it’s possible to create this bizarre optical effect. Shadows are so familiar in everyday ...

"Our understanding of shadows has developed hand-in-hand with our understanding of light and optics," said Abrahao ... illuminated it with a blue laser from the side. When the green laser ...

A newly revealed spy laser can allow the user to read text less than two millimeters wide from almost a mile away.

In simple terms, the green laser acted more like an object, not a beam of light, creating what by all accounts could be described as a shadow. The researchers suggest this is because of "optical ...

Fiber lasers use an optical fiber doped with rare ... It also allows for significant side mode suppression -- the laser's ability to emit light at a single, consistent frequency while minimizing ...

Italian Space Agency and iSpace-Europe to deploy the palm-sized optical device on the dark side of the Moon ... It features a precise array of corner cube prisms that will reflect laser light directly ...