Researchers from the Yunnan Observatories of the Chinese Academy of Sciences (CAS) have unveiled a neural network-based automated method for identifying heartbeat stars—a rare type of binary star system. Their findings ...
Astronomy
18 hours ago
0
7
Bloch oscillations are periodic oscillations of quantum particles in a repeating energy "landscape" (e.g., a crystal lattice) that are subjected to a constant force. These particle motions have been the focus of numerous ...
A new study published in the journal Science, led by scientists at the City College of New York (CCNY) and Columbia University, challenges long-held beliefs about how El Niño events influence rainfall during the Indian summer ...
Earth Sciences
Sep 28, 2025
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60
Streamflow drought—when substantially less water than usual moves through rivers—can seriously disrupt the welfare of nearby communities, agriculture, and economies. Synchronous drought, in which multiple river basins ...
Earth Sciences
Sep 18, 2025
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2
El Niño-Southern Oscillation (ENSO) is the strongest interannual variability signal in Earth's climate system. The shifts between its warm and cold phases profoundly impact global extreme weather, ecosystems, and economic ...
Earth Sciences
Sep 4, 2025
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0
A new wave of climate research is sounding a stark warning: Human activity may be driving drought more intensely—and more directly—than previously understood.
Earth Sciences
Aug 13, 2025
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95
The ultrafast placement of an electron in a polar liquid generates collective molecular vibrations in a spherical nano-volume. The vibrations change the diameter of this sphere periodically for more than 100 picoseconds.
Optics & Photonics
Aug 1, 2025
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13
Global warming does not affect our planet evenly. Some areas such as the Arctic region or high mountain peaks warm faster than the global average, whereas others, including large parts of the tropical oceans, show reduced ...
Environment
Jul 18, 2025
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242
The Southwest United States is currently facing its worst megadrought of the past 1,200 years. According to a recent study by the University of Texas at Austin, the drought could continue at least until the end of the century, ...
Earth Sciences
Jul 15, 2025
0
199
Researchers have developed a new theory that explains why tunnel magnetoresistance (TMR)—used in magnetic memory and other technologies—oscillates with changes in the thickness of the insulating barrier within a magnetic ...
General Physics
Jul 14, 2025
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26
Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. Familiar examples include a swinging pendulum and AC power. The term vibration is sometimes used more narrowly to mean a mechanical oscillation but sometimes is used to be synonymous with "oscillation". Oscillations occur not only in physical systems but also in biological systems and in human society.
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