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 sight was then repeated across many western states. But the eyewitness accounts can likely be attributed to a Chinese rocket that passed through the atmosphere, launching about an hour ...

Residents in several states have been left in awe after witnessing the atmospheric phenomenon known as pillars of light that some liken to beams from alien spacecraft. While rare, the pillars form ...

White light interferometry (WLI ... This light source then targets a beam splitter, which splits the light into one beam that targets the sample, and one that targets the reference mirror.

Its light was so bright that when I put my notebook into the beam, I had to look away quickly. My pen strokes vanished, and all I could see was a rectangle of blinding white light. We climbed ...

The coherent light makes it possible to send a narrow beam over extreme distances with very low noise ... to produce a continuous spectrum of colour and can therefore appear white. They are used in 3D ...

White dwarf pulsars include a rapidly spinning, burnt-out stellar remnant called a white dwarf, which lashes its neighbour -- a red dwarf -- with powerful beams ... 773 light years away from ...