A major research challenge in the field of nanotechnology is finding efficient ways to control light, an ability essential for high-resolution imaging, biosensors and cell phones. Because light is an electromagnetic wave ...
Nanophysics
Apr 11, 2022
0
296
Scientists from the University of Warsaw, the Military University of Technology and the University of Southampton presented a new type of tunable microlaser emitting two beams. "These beams are polarized circularly and directed ...
Optics & Photonics
Mar 23, 2022
0
12
Asteroids hold many clues about the formation and evolution of planets and their satellites. Understanding their history can, therefore, reveal much about our solar system. While observations made from a distance using electromagnetic ...
Astronomy
Mar 22, 2022
0
75
Vision is often regarded as first among the human senses, as our eyes are the way most of us come to know the world. However, vision has its limits.
Environment
Feb 25, 2022
0
14
Scientists from University of Regensburg, Massachusetts Institute of Technology, Moscow institute of Physics and Technology, and University of Kansas have discovered abnormally strong light absorption in graphene. The effect ...
Optics & Photonics
Feb 23, 2022
1
986
At the interface between two media, light is partly reflected backwards into the medium from where it came and partly transmitted into the neighboring medium, like a light ray entering a sparkling pool of water. The light ...
Optics & Photonics
Feb 14, 2022
0
12
Electromagnetic (EM) waves and gravitational waves are the only available means to study the Universe on a large scale. For millennia, only the former could be used, in naked-eye astronomical observations by the ancients ...
General Physics
Feb 10, 2022
0
40
Transistors based on semiconductor materials are widely used electronic components with many remarkable properties. For instance, they have a nonreciprocal electrical response, which means that they can isolate two parts ...
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 interaction of dust particles in Martian dust storms may cause electric fields that are powerful enough to have charges that induce standing electromagnetic waves known as Sсhumann resonances. This is the conclusion ...
Astronomy
Nov 3, 2021
0
87
