located a whopping 12.9 billion light-years from Earth, and it's doing something pretty spectacular. The "blazar" is firing a super-powerful beam of energy straight towards us. The energy beam ...

According to a video shared on YouTube, a bright beam of light shone down on the pass. The beam looks almost like that of a UFO shining down on an unsuspecting victim, like what you’d see in a ...

Breakthrough Starshot is planning a laser beam, probably in the visible spectrum, that will push directly on light sails attached to the probe. However, given the current state of optical ...

Free-space optical communication, or FSO, is an interesting and easy way to transmit signals through light beams. Forget expensive lasers or commercial-grade equipment; this video by [W1VLF ...

The integrals are taken over the complete optical spectrum and the phototubes are ... question that the photons in two coherent beams of light are correlated, and that this correlation is ...

What can I do to ensure that the X-ray beam spectrum is optimized for the various clinical procedures performed in our facility? » Does the use of automatic exposure control (AEC) always ensure the ...

After the sample (molecule) is exposed to an intense beam of monochromatic light ... and the scattered light is collected and analyzed by the spectrometer, producing a Raman spectrum that represents ...