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Search results for electromagnetic fields

Biotechnology Feb 8, 2022

Single-molecule optofluidic microsensor with interface whispering gallery modes

Optical evanescent microsensors have attracted considerable research interests since they can detect unlabelled molecules and monitor their interactions in real time and in situ with ultrahigh sensitivity, fast response, ...

General Âé¶¹ÒùÔºics Feb 8, 2022

New findings proliferate questions about hypothetical axionic behavior in Weyl semimetals

The axion is a particle that physicists have hypothesized for decades. It has garnered attention in recent years for its potential involvement in dark matter. Their very existence, however, remains in dispute.

Planetary Sciences Feb 3, 2022

Juno and Hubble data reveal electromagnetic 'tug-of-war' lights up Jupiter's upper atmosphere

New Leicester space research has revealed, for the first time, a complex 'tug-of-war' lights up aurorae in Jupiter's upper atmosphere, using a combination of data from NASA's Juno probe and the Hubble Space Telescope.

Plasma Âé¶¹ÒùÔºics Jan 26, 2022

Instant turn-over of magnetism by gyro motion of relativistic electrons

Magnetic fields are detected throughout the universe and widely participate in astrophysical dynamics. Various fundamental phenomena, including coronal mass ejections, solar flares, gamma-ray bursts and pulsar winds, are ...

General Âé¶¹ÒùÔºics Jan 25, 2022

Âé¶¹ÒùÔºicist solves century old problem of radiation reaction

A Lancaster physicist has proposed a radical solution to the question of how a charged particle, such as an electron, responded to its own electromagnetic field.

Space Exploration Dec 20, 2021

Science fiction revisited: Ramjet propulsion

In science fiction stories about contact with extraterrestrial civilisations, there is a problem: What kind of propulsion system could make it possible to bridge the enormous distances between the stars? It cannot be done ...

General Âé¶¹ÒùÔºics Dec 13, 2021

Challenging Einstein's greatest theory with extreme stars

Researchers at the University of East Anglia and the University of Manchester have helped conduct a 16-year long experiment to challenge Einstein's theory of general relativity.

Planetary Sciences Dec 13, 2021

Five questions about space weather and its effects on Earth answered

Open the weather app on your phone or glance at the news and you can quickly find a detailed forecast for the weather in your location. The report is likely to affect your behavior for the day: if you put on sandals or snow ...

Space Exploration Dec 13, 2021

Five weird things that happen in outer space

It doesn't take a rocket scientist to know space is weird. But just how weird might surprise you. Space is dominated by invisible electromagnetic forces that we typically don't feel. It's also full of bizarre types of matter ...

Planetary Sciences Dec 10, 2021

Visualizing the propagation path of electromagnetic waves from space to ground

Using data on electromagnetic (EM) waves and plasma particles measured simultaneously via multiple satellites, an international collaborative research group has discovered the existence of invisible "propagation path" of ...

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