Physicists at the University of Southampton have tested and proven a 50-year-old theory for the first time using electro-magnetic waves. They have shown that the energy of waves can be increased by bouncing "twisted waves"—those ...
Optics & Photonics
Sep 9, 2024
0
116
Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves.
General Physics
Sep 6, 2024
0
784
Optical metasurfaces are finely crafted two-dimensional artificial nanostructures composed of meticulously designed arrays of ultrathin artificial atoms. These surfaces possess capabilities beyond natural materials, enabling ...
Nanophysics
Aug 30, 2024
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1
Scientists from the Department of Physical Chemistry at the Fritz Haber Institute have made an innovative discovery in nanoscale optoelectronics. The study, published in the journal Nature Communications and titled "Atomic-Precision ...
Nanophysics
Aug 15, 2024
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107
Vortex rings, a mysterious and fascinating natural phenomenon, display breathtaking structures and behaviors in both air and electromagnetic waves. Imagine an air cannon that can shoot vortex rings, creating a perfect air ...
General Physics
Aug 14, 2024
2
67
With temperatures rising globally, the need for more sustainable cooling options is also growing. Researchers at UCLA and their colleagues have now found an affordable and scalable process to cool buildings in the summer ...
Materials Science
Aug 9, 2024
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84
When it comes to materials for quantum sensors, diamond is the best game in town, says Cornell University professor Gregory Fuchs. Now he and a team of scientists have upped diamond's game by generating exquisite imagery ...
Optics & Photonics
Aug 7, 2024
0
87
Researchers at University of Tsukuba have developed a unique technique for synthesizing commonly used polymers, such as polystyrene, using radical polymerization. Here, a remote spark discharge from a Tesla coil, which is ...
Polymers
Aug 5, 2024
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5
Using radar, a Nasa spacecraft, Lunar Reconnaissance Orbiter (LRO), has confirmed the existence of caves beneath the lunar surface. Here's why such geological features will be key for establishing a base on the moon, and ...
Planetary Sciences
Jul 25, 2024
2
51
Starting with the direct detection of gravitational waves in 2015, scientists have relied on a bit of a kludge: they can only detect those waves that match theoretical predictions, which is rather the opposite way that science ...
