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Categories: Physics: General, Space: The Solar System

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Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Exploration Space: General Space: Structures and Features Space: The Solar System
Published

Tiniest 'starquake' ever detected      (via sciencedaily.com)     Original source 

An orange dwarf star has yielded the tiniest 'starquakes' ever recorded, measured by an international team of scientists.

Geoscience: Earth Science Offbeat: Earth and Climate Offbeat: General Offbeat: Space Physics: General Physics: Quantum Computing Physics: Quantum Physics Space: Astrophysics Space: Exploration Space: General Space: The Solar System
Published

Scientists on the hunt for evidence of quantum gravity's existence at the South Pole      (via sciencedaily.com)     Original source 

An Antarctic large-scale experiment is striving to find out if gravity also exists at the quantum level. An extraordinary particle able to travel undisturbed through space seems to hold the answer.

Chemistry: General Computer Science: General Computer Science: Quantum Computers Physics: General Physics: Quantum Computing Physics: Quantum Physics
Published

Scientists deliver quantum algorithm to develop new materials and chemistry      (via sciencedaily.com)     Original source 

Scientists published the Cascaded Variational Quantum Eigensolver (CVQE) algorithm in a recent article, expected to become a powerful tool to investigate the physical properties in electronic systems.

Chemistry: General Computer Science: General Computer Science: Quantum Computers Offbeat: Computers and Math Offbeat: General Physics: General Physics: Quantum Computing Physics: Quantum Physics
Published

The world is one step closer to secure quantum communication on a global scale      (via sciencedaily.com)     Original source 

Researchers have brought together two Nobel prize-winning research concepts to advance the field of quantum communication. Scientists can now efficiently produce nearly perfect entangled photon pairs from quantum dot sources.

Computer Science: Quantum Computers Engineering: Graphene Engineering: Nanotechnology Physics: General Physics: Quantum Computing Physics: Quantum Physics
Published

Quantum interference could lead to smaller, faster, and more energy-efficient transistors      (via sciencedaily.com)     Original source 

Scientists made a single-molecule transistor using quantum interference to control electron flow. This new design offers high on/off ratio and stability, potentially leading to smaller, faster, and more energy-efficient devices. Quantum interference also improves the transistor's sensitivity to voltage changes, further boosting its efficiency.

Offbeat: General Offbeat: Space Space: Astronomy Space: Exploration Space: General Space: The Solar System
Published

James Webb Space Telescope captures the end of planet formation      (via sciencedaily.com)     Original source 

How much time do planets have to form from a swirling disk of gas and dust around a star? A new study gives scientists a better idea of how our own solar system came to be.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Marine Biology: Microbiology Offbeat: General Offbeat: Plants and Animals Offbeat: Space Space: Astronomy Space: Exploration Space: General Space: The Solar System
Published

Signs of life would be detectable in single ice grain emitted from extraterrestrial moons      (via sciencedaily.com)     Original source 

Could life be found in frozen sea spray from moons orbiting Saturn or Jupiter? New research finds that life can be detected in a single ice grain containing one bacterial cell or portions of a cell. The results suggest that if life similar to that on Earth exists on these planetary bodies, that this life should be detectable by instruments launching in the fall.

Offbeat: General Offbeat: Space Space: Astronomy Space: Exploration Space: General Space: The Solar System
Published

Secrets of the Van Allen belt revealed in new study      (via sciencedaily.com)     Original source 

A challenge to space scientists to better understand our hazardous near-Earth space environment has been set in a new study.

Chemistry: Inorganic Chemistry Computer Science: General Physics: General
Published

N-channel diamond field-effect transistor      (via sciencedaily.com)     Original source 

A research team has developed an n-channel diamond MOSFET (metal-oxide-semiconductor field-effect transistor). The developed n-channel diamond MOSFET provides a key step toward CMOS (complementary metal-oxide-semiconductor: one of the most popular technologies in the computer chip) integrated circuits for harsh-environment- applications as well as the development of diamond power electronics.

Chemistry: Thermodynamics Engineering: Nanotechnology Physics: General
Published

In-situ observation of nanoscale heat propagation      (via sciencedaily.com)     Original source 

A research team has developed a technique that enables the nanoscale observation of heat propagation paths and behavior within material specimens. This was achieved using a scanning transmission electron microscope (STEM) capable of emitting a pulsed electron beam and a nanosized thermocouple -- a high-precision temperature measurement device.

Chemistry: General Chemistry: Inorganic Chemistry Environmental: General Environmental: Water Geoscience: Environmental Issues Geoscience: Geochemistry Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics
Published

Cleaning up environmental contaminants with quantum dot technology      (via sciencedaily.com)     Original source 

The 2023 Nobel Prize in Chemistry was focused on quantum dots -- objects so tiny, they're controlled by the strange rules of quantum physics. Quantum dots used in electronics are often toxic, but their nontoxic counterparts are being explored for uses in medicine and in the environment, including water decontamination. One team of researchers has specially designed carbon- and sulfur-based dots for these environmental applications.

Computer Science: General Computer Science: Quantum Computers Physics: General Physics: Quantum Computing Physics: Quantum Physics
Published

Quantum talk with magnetic disks      (via sciencedaily.com)     Original source 

Quantum computers promise to tackle some of the most challenging problems facing humanity today. While much attention has been directed towards the computation of quantum information, the transduction of information within quantum networks is equally crucial in materializing the potential of this new technology. Addressing this need, a research team is now introducing a new approach for transducing quantum information: the team has manipulated quantum bits, so called qubits, by harnessing the magnetic field of magnons -- wave-like excitations in a magnetic material -- that occur within microscopic magnetic disks.

Chemistry: General Chemistry: Organic Chemistry Physics: General Physics: Optics Physics: Quantum Computing Physics: Quantum Physics
Published

Spectroscopy and theory shed light on excitons in semiconductors      (via sciencedaily.com)     Original source 

Researchers have made very fast and very precise images of excitons -- in fact, accurate to one quadrillionth of a second and one billionth of a meter. This understanding is essential for developing more efficient materials with organic semiconductors.

Engineering: Nanotechnology Offbeat: Computers and Math Offbeat: General Offbeat: Plants and Animals Physics: General Physics: Optics
Published

Backyard insect inspires invisibility devices, next gen tech      (via sciencedaily.com)     Original source 

Leafhoppers, a common backyard insect, secrete and coat themselves in tiny mysterious particles that could provide both the inspiration and the instructions for next-generation technology, according to a new study. In a first, the team precisely replicated the complex geometry of these particles, called brochosomes, and elucidated a better understanding of how they absorb both visible and ultraviolet light.

Chemistry: Inorganic Chemistry Physics: General
Published

Breakthrough in melting point prediction: Over 100-year-old physics problem solved      (via sciencedaily.com)     Original source 

Scientists propose a groundbreaking theory for predicting melting points. The theory offers a universal description of melting lines across various material types. This discovery has significant implications for materials science and related fields.

Chemistry: General Physics: General Physics: Optics Physics: Quantum Physics
Published

Breakthrough in ultraviolet spectroscopy      (via sciencedaily.com)     Original source 

Physicists achieve major leap in precision and accuracy at extremely low light levels.

Chemistry: Inorganic Chemistry Energy: Nuclear Physics: General Physics: Optics Physics: Quantum Physics
Published

Plasma oscillations propel breakthroughs in fusion energy      (via sciencedaily.com)     Original source 

Researchers have discovered a new class of plasma oscillations -- the back-and-forth, wave-like movement of electrons and ions. The research paves the way for improved particle accelerators and commercial fusion energy.

Energy: Technology Physics: General Physics: Optics
Published

Researchers prove fundamental limits of electromagnetic energy absorption      (via sciencedaily.com)     Original source 

Electrical engineers have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers optimize devices designed to block certain frequencies of radiation while allowing others to pass through, for applications such as stealth or wireless communications.