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Search results for “Mechanics”

1,000+ results for "Mechanics"

Engineers examine chemo-mechanics of heart defect

Scientists discovered that changes in mechanical behavior and gene signaling play a crucial role in the development of heart defects, with LOX-deficient mice exhibiting protection against aneurysms. The research provides new insights into the chemo-mechanics of heart defects and its potential applications for disease prevention.

SourceWashington University in St. Louis·JournalAJP Heart and Circulatory Physiology·DateJun 28, 2017

Researchers find a surprise just beneath the surface in carbon dioxide experiment

A team of researchers from Caltech and Berkeley Lab found that tiny amounts of oxygen beneath the copper catalyst's surface play a critical role in activating carbon dioxide for conversion to ethanol. The discovery sheds light on the atomic-level details of the reaction, enabling scientists to predict ways to improve efficiency.

SourceCalifornia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJun 12, 2017

Super sensitive devices work on recycling atoms

Researchers at University of Queensland and University of Sussex have developed a way to recycle atoms, improving the performance of atom interferometers. This technique enables ultra-precise measurements of accelerations, rotations, and gravitational fields, with applications in mineral exploration, hydrology, and navigation.

SourceUniversity of Queensland·JournalPhysical Review Letters·DateApr 11, 2017

The inner lives of molecules

Researchers have developed a new experimental technique to take 3D images of molecules in action, combining two technologies to probe the structure and behavior of molecules. This tool enables experiments with larger molecules that were previously impossible, allowing for better understanding of quantum mechanics in complex systems.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateApr 4, 2017

Underwater vehicle design inspired by schools of fish

Researcher Keith Moored aims to understand the forces, energetics and flow physics of collective locomotion in schools of fish to develop optimized underwater vehicles. He will use a low-speed wind tunnel facility and particle image velocimetry system to characterize flow fields and forces acting on pitching wing models.

'Blurred times' in a quantum world

Researchers demonstrate that clocks placed next to each other necessarily disturb each other, causing a universal limitation on measuring time. This effect is independent of clock mechanism or material, highlighting the need to re-examine our ideas about time in both quantum mechanics and general relativity.

SourceUniversity of Vienna·JournalProceedings of the National Academy of Sciences·DateMar 9, 2017

The sound of quantum vacuum

The study reveals strong correlations between laser-induced light fluctuations and mechanical motion, showcasing the strange laws of quantum mechanics. By using a phononic crystal to confine vibrations, the researchers achieved ultra-precision measurements, overcoming fundamental quantum limits.

SourceUniversity of Copenhagen - Niels Bohr Institute·JournalProceedings of the National Academy of Sciences·DateDec 22, 2016

Researchers nearly reached quantum limit with nanodrums

A new method for measuring microwave signals was developed by researchers at Aalto University, achieving the most accurate measurement with nanodrums so far. This technology enables efficient transformation of quantum information between different frequencies, potentially enabling data encryption based on quantum mechanics.

SourceAalto University·JournalPhysical Review X·DateOct 31, 2016

Healthy knees

The study aims to examine the biochemical and biomechanical bases for osteoarthritis development after ACL surgery. Researchers plan to analyze gait mechanics, electromyography, qMRI, and finite element modeling to understand knee unloading and cartilage stress distribution.

Don't freestyle 'swimmer's shoulder' injuries

Competitive swimmers are at risk of shoulder injuries due to the high stress on their joints. Proper technique, training, stretching, and strengthening can help prevent these injuries. Swimmers may experience signs such as a dropped elbow or excessive body roll, which can be diagnosed with a thorough physical examination.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of the American Academy of Orthopaedic Surgeons·DateAug 4, 2016

The preventive destruction

Researchers develop new method to protect Earth from asteroids using nuclear explosions. The technique simulates an asteroid's destructive power, fragmenting it into safe pieces before they reach the planet. This approach is considered a safer and more effective alternative to previous methods.

SourceNational Research Tomsk State University·JournalAstronomy Reports·DateJul 27, 2016

Electron spin control: Levitated nanodiamond is research gem

Purdue University researchers have successfully controlled the electron spin of a levitated nanodiamond using lasers in a vacuum, enabling potential applications in quantum information processing, sensors, and fundamental physics studies. The technique could also be used to detect and measure gases, such as oxygen, with improved accuracy.

SourcePurdue University·JournalNature Communications·DateJul 19, 2016

No need in supercomputers

A team of Russian physicists used a personal computer with GPU to solve complicated integral equations of quantum mechanics, previously only solvable with expensive supercomputers. They achieved speeds up to 15 minutes for calculations that took days on supercomputers.

SourceLomonosov Moscow State University·JournalComputer Physics Communications·DateJun 28, 2016

Programmable materials find strength in molecular repetition

Researchers create synthetic ring teeth proteins with varying repeats to achieve programmable materials with improved strength and flexibility. These self-healing polymers can be tailored for specific properties, such as elasticity and plasticity, making them suitable for various applications in textiles, cosmetics, and medicine.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateMay 23, 2016