Researchers used a ruby crystal and specific laser wavelengths to demonstrate that a laser beam could obstruct light and ...
After discussing the quirks in 3D modeling software, where a laser beam is treated as a solid object that can cast a shadow, ...
A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out ...
Interesting Engineering on MSN21h
Atoms transferred between optical tweezers via quantum tunneling in a firstResearchers used optical tweezers to achieve quantum tunneling of atoms, a breakthrough with potential applications in ...
Interesting Engineering on MSN4d
Shadow of light? Scientists make laser beam cast shadow for the first timeIn a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat ...
ZME Science on MSN12d
NASA beamed back a laser message from half a billion kilometers away 100 times faster than using radio wavesNASA has a new trick up its sleeve for space communication. In July 2024, the Deep Space Optical Communications (DSOC) ...
Chinese officials say that the weapon can be used to suppress the signals of American GPS and other satellites.
Four-wave mixing A weak optical signal (red) from a spacecraft transmitter can be amplified noise-free when it encounters two pump waves (blue and green) in a receiver on Earth. (Courtesy: Chalmers ...
The award-winning production line contributes to increased success rate of military missionsROCHESTER, NEW YORK, Nov. 05, ...
Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain ...
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