Groundbreaking discoveries about gravitational waves, black holes, cosmic rays, neutrinos and other areas of cutting-edge astronomy may soon become more frequent due to the convergence of two major communities of astronomers ...
Astronomy
Dec 10, 2021
0
137
Light is an electromagnetic wave: It consists of oscillating electric and magnetic fields propagating through space. Every wave is characterized by its frequency, which refers to the number of oscillations per second, measured ...
Optics & Photonics
Dec 2, 2021
4
3653
The hunt for gravitational waves, ripples in space and time caused by major cosmic cataclysms, could help solve one of the Universe's other burning mysteries—boson clouds and whether they are a leading contender for dark ...
Astronomy
Dec 1, 2021
1
848
Over the past several decades, researchers have moved from using electric currents to manipulating light waves in the near-infrared range for telecommunications applications such as high-speed 5G networks, biosensors on a ...
Optics & Photonics
Nov 22, 2021
0
174
NASA's Laser Communications Relay Demonstration (LCRD) will use laser communications systems to transmit data from space to Earth. Below are six things you need to know about NASA's revolutionary LCRD mission.
Space Exploration
Nov 18, 2021
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51
Scientists have, for the first time, demonstrated Young's experiment for photons in the reciprocal space. Spin patterns corresponding to the persistent spin helix and the Stern-Gerlach experiment are realized in an optically ...
Condensed Matter
Nov 12, 2021
0
266
Most of us control light all the time without even thinking about it, usually in mundane ways: we don a pair of sunglasses and put on sunscreen, and close—or open—our window blinds.
General Physics
Oct 22, 2021
0
262
Light offers an irreplaceable way to interact with our universe. It can travel across galactic distances and collide with our atmosphere, creating a shower of particles that tell a story of past astronomical events. Here ...
Optics & Photonics
Oct 21, 2021
0
438
Making a dark human hair transparent, or even an opaque bar of silicon: this optical "sorcery" is possible by manipulating the incident light. This new phenomenon is called "mutual extinction and transparency." Until now ...
Optics & Photonics
Oct 18, 2021
0
9
If two black holes merge in the middle of space, and nobody's around to see it, does it really happen?
Astronomy
Sep 13, 2021
0
44
