Materials that can maintain a magnetized state by themselves without an external magnetic field (i.e., permanent magnets) are called ferromagnets. Ferroelectrics can be thought of as the electric counterpart to ferromagnets, ...
Nanophysics
May 31, 2024
0
64
Researchers have designed a novel oxide material, Ca3Co3O8, through atomic precision manipulation of correlated oxides. It demonstrated a remarkable combination of properties—ferromagnetism, polar distortion and metallicity, ...
Condensed Matter
May 29, 2024
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77
The Earth's liquid molten outer core, composed mostly of iron and nickel, exerts an electromagnetic field extending from the north and south pole that protects the planet from harmful solar particle radiation.
Planetary Sciences
May 27, 2024
3
627
The awe-inspiring aurorae seen on Earth, known as the Northern and Southern Lights, have been a source of fascination for centuries. Between May 10 and 12, 2024, the most powerful aurora event in 21 years reminded us of the ...
Planetary Sciences
May 27, 2024
0
180
We are all very familiar with the concept of the Earth's magnetic field. It turns out that most objects in space have magnetic fields but it's quite tricky to measure them. Astronomers have developed an ingenious way to measure ...
Astronomy
Apr 27, 2024
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60
Altermagnets represent a newly recognized class of materials in magnetism that could enable novel applications in spin-based electronics. Their magnetically ordered state consists of an antiparallel arrangement of microscopic ...
Condensed Matter
Mar 13, 2024
0
19
The Event Horizon Telescope collaboration, including scientists from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has recently resolved the jet base of an evolving jet of plasma at ultra-high angular resolution.
Astronomy
Feb 1, 2024
3
91
In a study published in Nature Astronomy, astronomers from New Jersey Institute of Technology's Center for Solar-Terrestrial Research (NJIT-CSTR) have detailed radio observations of an extraordinary aurora-like display occurring ...
Astronomy
Nov 13, 2023
7
646
The Event Horizon Telescope (EHT) collaboration has published new results that describe for the first time how light from the edge of the supermassive black hole M87* spirals as it escapes the black hole's intense gravity, ...
Astronomy
Nov 8, 2023
1
135
Ah, dark matter particles, what could you be? The answer still eludes us, and astronomers keep trying new ideas to find them. A new paper in Physical Review Letters suggests that if dark matter is made of axions, we might ...
Astronomy
Oct 16, 2023
6
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