While photographing the auroras during a geomagnetic storm, Mike Lewinski caught sight of something extraordinary: a brilliant white beam of light tearing through the night sky. He was shooting ...

The beams of light may look like UFO abduction rays, ... Penny Lancaster, 54, looks typically chic in a plunging white polka dot dress as she enjoys shopping spree and lunch with pals; ...

Beam of Light: The Story of the First White House Menorah Elisa Boxer, illus. by Sofia Moore. Rocky Pond, $18.99 (32p) ISBN 978-0-5936-9817-4 ...

The system consists of only a single millimeter-scale photonic chip without any moving parts.

White light interferometry (WLI) is a contact-free optical method for measuring surface height. ... This light source then targets a beam splitter, ...

A bright light seen across several western states on May 16 sparked speculation on social media. The light, observed in Arizona, New Mexico, Colorado, Utah, and Montana, was likely from a Chinese ...

The coherent light makes it possible to send a narrow beam over extreme distances with very low noise. But this also means that such lasers usually only emit a single wavelength. This limits their ...

Painted on a wall at 1 Rue Félix Frégier in the city’s 7th arrondissement, the mural features a weathered lighthouse casting a crisp white beam of light.