Add BrightSurf on Google Email

Search results for “Mechanics”

1,000+ results for "Mechanics"

Revolutionizing data centers: Penn engineers’ breakthrough in photonic switching

Researchers at the University of Pennsylvania School of Engineering and Applied Science have developed a novel photonic switch that can redirect signals in trillionths of a second with minimal power consumption. The new switch uses non-Hermitian physics and silicon material to achieve unprecedented speed and efficiency.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalNature Photonics·TypeExperimental study·DateJan 7, 2025

Advancing a trustworthy quantum era: A novel approach to quantum protocol verification

Researchers developed Concurrent Dynamic Quantum Logic (CDQL) to verify quantum protocols with concurrent actions, enhancing expressiveness and speeding up verification. CDQL provides a rigorous framework for verifying both sequential and concurrent models of quantum protocols.

SourceJapan Advanced Institute of Science and Technology·JournalACM Transactions on Software Engineering and Methodology·DateDec 19, 2024

On electrostatic interactions of adenosine triphosphate–insulin‐degrading enzyme revealed by quantum mechanics/molecular mechanics and molecular dynamics

Researchers used quantum mechanics/molecular mechanics and molecular dynamics to investigate the interaction between ATP and insulin-degrading enzyme in Alzheimer's disease. The study revealed crucial information for developing IDE inhibitors against ATP interactions, potentially slowing down AD progression.

SourceHigher Education Press·JournalQuantitative Biology·TypeExperimental study·DateOct 14, 2024

Why petting your cat leads to static electricity

Researchers at Northwestern University have finally uncovered the mechanics of static electricity generated by rubbing objects together, explaining how forces on different parts of an object create electrical charges and a current. This breakthrough could lead to new solutions for industrial fires, pharmaceutical dosing, and other issu...

SourceNorthwestern University·JournalNano Letters·DateSep 18, 2024

Accuracy verification methodology for CGH used for testing ultra-large aperture mirrors

Researchers have developed a new accuracy verification methodology for ultra-large aperture mirrors using computer-generated hologram (CGH), achieving nanometer-level accuracy. The method uses an equivalent element to test the mirror's surface shape accuracy, overcoming aperture limitations and enabling reliable testing.

Spin squeezing for all

Researchers have successfully achieved spin squeezing in a more accessible way, enabling precise measurements with quantum-enhanced metrology. This breakthrough may lead to new portable sensors for biomedical imaging and atomic clocks.

SourceHarvard University·JournalNature Physics·TypeComputational simulation/modeling·DateAug 26, 2024

UC Irvine team says urban street networks, building density shape severity of floods

A new formula developed by UC Irvine researchers can project neighborhood-scale flood hazards anywhere in the world, taking into account the urban form and building density of a neighborhood. This tool has the potential to greatly improve flood risk assessments globally, helping cities prepare for more severe weather events.

SourceUniversity of California - Irvine·JournalNature Communications·TypeComputational simulation/modeling·DateAug 19, 2024

High-speed camera for molecules: entangled photons enabled raman spectroscopy

Researchers developed a microscopic theory for ultrafast stimulated Raman spectroscopy with quantum-light fields, enabling high-speed imaging of molecules. The technique leverages the quantum advantages of entangled photon sources to enhance both temporal and spectral resolution.

Unraveling the physics of knitting

Researchers have developed a mathematical theory of knitted materials, enabling the creation of programmable textiles with adjustable elasticity. The study, led by Georgia Tech physicists, explores the relationships between yarn manipulation, stitch patterns, and fabric behavior to expand knitting's applications beyond clothing.

SourceGeorgia Institute of Technology·JournalNature Communications·TypeExperimental study·DateJun 4, 2024

The unexpected connection between brewing coffee and understanding turbulence

A team of researchers led by Nigel Goldenfeld and Björn Hof used statistical mechanics to study turbulence in fluid flows. They discovered that the transitions between laminar and turbulent flows occur through a non-equilibrium phase transition, known as directed percolation, at the critical point of the transition.

SourceUniversity of California - San Diego·JournalNature Physics·TypeComputational simulation/modeling·DateJun 3, 2024

USTC reveals experimental demonstration of inequivalent mutually unbiased bases

Researchers from USTC demonstrated that inequivalent mutually unbiased bases (MUBs) exhibit distinct performance in quantum state estimation tasks. The experimental results showed a significant difference of 4% between the maximum and minimum fidelity, validating theoretical predictions with an average deviation of 0.16%.

SourceUniversity of Science and Technology of China·JournalPhysical Review Letters·DateMay 14, 2024

UTA scientists test for quantum nature of gravity

Researchers at UTA used ultra-high energy neutrino particles to search for signatures of quantum gravity, but found no evidence of expected quantum gravitational effects. This non-observation represents a powerful statement about the still-unknown physics operating at the interface of quantum physics and general relativity.

SourceUniversity of Texas at Arlington·JournalNature Physics·TypeObservational study·DateMay 2, 2024

Revealing the quantumness of gravity

Researchers propose an experiment to test the quantum nature of gravity without relying on entanglement. By using massive harmonic oscillators, they aim to reveal the quantumness of gravity in a way that was previously challenging due to the difficulty in creating heavy mass states.

SourceUniversiteit van Amsterdam·JournalPhysical Review X·TypeExperimental study·DateMay 1, 2024

Quantum fiber optics in the brain enhance processing, may protect against degenerative diseases

Researchers have discovered a quantum effect in biological systems that may help the brain protect itself from degenerative diseases. The effect, called superradiance, occurs when many tryptophan molecules are arranged in a symmetrical network and can absorb and re-emit damaging ultraviolet light particles.

SourceHoward University·JournalThe Journal of Physical Chemistry·TypeExperimental study·DateApr 29, 2024

New paradigm revolutionizing smart fibrillar adhesive: surpassing the limits of gecko-inspired designs

Researchers have developed a groundbreaking new design paradigm for smart fibrillar adhesives, surpassing the limits of traditional gecko-inspired designs. These innovative adhesives boast unprecedented strength, exceptional switchability, and scalability, enabling applications in robotics, manufacturing, and medicine.

SourceScience China Press·JournalNational Science Review·DateApr 26, 2024

Connecting the dots to shape growth forces

Researchers at Kyoto University have discovered a signal protein called ERK that plays an active role in causing growing lung tissue to curve. This finding reveals a previously unknown regulatory system governing the development of intricate branching patterns in mouse lungs.

SourceKyoto University·JournalCurrent Biology·TypeExperimental study·DateMar 27, 2024

Printed polymer allows researchers to explore chirality and spin interactions at room temperature

Researchers have developed a printable organic polymer that enables them to measure charge-to-spin conversion in spintronic materials at room temperature, revealing new insights into the mechanics of spintronics. The findings suggest longer spin lifetimes and tunability, paving the way for more efficient and energy-friendly devices.

SourceNorth Carolina State University·JournalNature Materials·TypeExperimental study·DateMar 15, 2024

Carnegie Mellon researchers develop new machine learning method for modeling of chemical reactions

Researchers at Carnegie Mellon University have created a new machine learning model that can simulate reactive processes in diverse organic materials and conditions. The model, called ANI-1xnr, performs simulations with significantly less computing power and time than traditional quantum mechanics models.

SourceCarnegie Mellon University·JournalNature Chemistry·TypeComputational simulation/modeling·DateMar 7, 2024

Charge fractionalisation observed spectroscopically

Researchers discovered charge fractionalisation in an iron-based metallic ferromagnet using laser ARPES spectroscopy, revealing collective excitations and quasiparticles. The study challenges fundamental quantum mechanics by showing electrons can behave as independent entities with fractionally charged pockets.

SourcePaul Scherrer Institute·JournalNature·TypeExperimental study·DateMar 6, 2024

Stable intense supercontinuum light generation from 1kHz femtosecond laser filamentation in air

Researchers have successfully generated a stable high-intensity and high-repetition supercontinuum white light source in air using femtosecond laser filamentation with an external DC electric field. This method suppresses thermal jitter by generating an ionic wind, improving beam pointing stability and signal-to-noise ratio.