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Search results for electromagnetic fields

Optics & Photonics Jun 14, 2021

Near-field routing of hyperbolic metamaterials

Near-field light is invisible light at the subwavelength scale. Harnessed for a variety of practical applications, such as wireless power transfer, near-field light has an increasingly significant role in the development ...

Quantum Âé¶¹ÒùÔºics Jun 14, 2021

Insulators turn up the heat on quantum bits

Âé¶¹ÒùÔºicists have long suspected that dielectric materials may significantly disrupt ion-trap quantum computers. Now, researchers led by Tracy Northup have developed a new method to quantify this source of error for the first ...

Astronomy Jun 11, 2021

Variable emission from the Milky Way's supermassive black hole

At the center of our Milky Way lies a supermassive black hole (SMBH) called Sagittarius A* (SgrA*). Supermassive black holes reside at the centers of most galaxies, and when they actively accrete gas and dust onto their surrounding ...

General Âé¶¹ÒùÔºics Jun 9, 2021

Researchers reveal relationship between magnetic field and supercapacitors

Since energy storage devices are often used in a magnetic field environment, scientists regularly explore how an external magnetic field affects the charge storage of nonmagnetic aqueous carbon-based supercapacitor systems.

Nanophysics Jun 9, 2021

Researchers tame silicon to interact with light for next-generation microelectronics

Skoltech researchers and their colleagues from RAS Institute for Âé¶¹ÒùÔºics of Microstructures, Lobachevsky State University of Nizhny Novgorod, ITMO University, Lomonosov Moscow State University, and A.M. Prokhorov General ...

Materials Science Jun 3, 2021

The biodegradable battery that's 3D printed, disposable and made of paper

The fabrication device for the battery revolution looks quite unconspicuous: It is a modified, commercially available 3D printer, located in a room in the Empa laboratory building. But the real innovation lies within the ...

Astronomy May 27, 2021

Black hole simulations provide blueprint for future observations

Astronomers continue to develop computer simulations to help future observatories better home in on black holes, the most elusive inhabitants of the universe.

Earth Sciences May 24, 2021

Electromagnetic anomalies that occur before an earthquake

It has been documented over hundreds of years that various electromagnetic anomalies occur a few weeks before the occurrence of a large earthquake. These electromagnetic anomalies are variations that appear in telluric current, ...

Space Exploration May 24, 2021

NASA rocket mission studying escaping radio waves

A NASA rocket mission, launching May 26, 2021, will study radio waves that escape through the Earth's ionosphere impacting the environment surrounding GPS and geosynchronous satellites, such as those for weather monitoring ...

Earth Sciences May 19, 2021

The curious incident of Swarm and sprites in the night-time

We are all familiar with the bolts of lightning that accompany heavy storms. While these flashes originate in storm clouds and strike downwards, a much more elusive type forms higher up in the atmosphere and shoots up towards ...

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