The Georgia Tech research aims to develop advanced Computational Fluid Dynamics (CFD) techniques to study blood flow turbulence in heart valves. The team will create a virtual environment that accurately models the turbulent flow environment, which could lead to better design and reduced thromboembolic complications.
A recent study by Queen's University researchers has found a link between trichloroethylene (TCE) exposure and male infertility. TCE, used in various industrial applications, is metabolized in the human reproductive tract and can adversely affect sperm development.
Researchers are investigating novel quantum states by examining materials in reduced dimensions, which confine electron flow. This approach has led to the discovery of unusual metals and a better understanding of phase transitions at quantum limits.
Leading scientists in nanotechnology are discussing recent developments in microelectronics, including the creation of nanocomputers and millirobots. These tiny machines have the potential to control tiny devices and understand the mechanics of how to wire them up.
Scientists use microgravity to study soil behavior and simulate earthquake effects, aiming to improve foundation design and mitigate soil liquefaction. The experiment will analyze the strength and stiffness of sand under different conditions, shedding light on the physics behind soil movement.
A new computational model developed at Purdue University accurately predicts the performance of thermal-barrier coatings, allowing designers to predict the properties of various mixtures. The model has been shown to be over 90% accurate and promises to save time and money by ruling out ineffective mixtures.
Brenda A. Wilson's research explores Pasteurella multocida toxin's mechanism, revealing its impact on Gq protein and cell damage. The discovery could lead to new strategies for treating toxin-mediated diseases.
University of Washington cosmologist Craig Hogan believes new experiments could shed light on subatomic particles called gravitons, potentially uniting quantum mechanics and relativity. These advancements might also provide clues to the holographic principle, which suggests everything in 3D can be specified by information in 2D.
A Harvard research team studied human running on various surface stiffnesses, finding a 12.5-fold decrease in surface stiffness led to a 12% decrease in metabolic rate and a 29% increase in leg stiffness, with support mechanics remaining unchanged.
Researchers at the University at Buffalo have performed simulations that mimic hydrocarbon combustion, demonstrating a defining feature of combustion and gaining insights into the two-way interaction between chemistry and turbulence. The work aims to develop more realistic models of fluid mechanics and chemistry involved in combustion.
Researchers investigated the influence of gender on upper airway structure and function, finding no gender differences in resistance and Pcrit. These findings contradict previous assumptions and suggest a possible explanation for the male predominance of OSA, potentially related to neurochemical control or other factors.
A team of researchers at Case Western Reserve University is developing computer simulated models to predict the performance of new implant designs before they are implanted into patients. They aim to uncover how damage occurs in plastic used in total joint replacements and identify potential design concerns.
A team led by Haim H. Bau will model transport of liquids, particles, and cells in microconduits to study biological interactions. They will use low-temperature co-fired ceramic tapes to fabricate prototypes.
Professor Morton Gurtin's research extends continuum mechanics to study structural materials at nanoscale length scales, advancing theories of deformation and fracture process. He has been an active collaborator with Italian school of continuum mechanics researchers since many years.
Brown's Materials Research Science and Engineering Center will continue to perform fundamental research in mechanics of materials, exploring nanoscale electronics and complex microstructures. The grant also supports educational outreach programs, including summer research experiences for minority university students.
Researchers at the University of Illinois have developed a multidimensional technique that enhances vibrational spectroscopy, allowing for unprecedented detail in studying molecular vibrations. This new method enables femtosecond-resolved snapshots of molecular motions, providing insights into the fundamental mechanics of molecules.
Alexandre Chorin, a renowned mathematician, is working on a new method of optimal prediction that could contribute to solving the turbulence problem. His work incorporates contributions from collaborators and aims to tackle the complex multi-dimensional problem that defies current computing power.
University of Michigan physicists have created a database that stores and retrieves data in atomic quantum phase, a new approach to data storage. The study uses cesium atoms and ultrafast lasers to store and retrieve data, confirming theoretical predictions made by L.K. Grover.
The article explores the idea that time is an illusion, proposing a timeless universe where all configurations exist simultaneously. This concept is rooted in Einstein's general theory of relativity and quantum mechanics, suggesting an eternal, four-dimensional structure called Platonia.
Researchers at Arizona State University have achieved clear images of electron orbitals in Cu2O, verifying the hypothesis that both ionic and covalent bonding occurs in the material. The images show complex formations resembling a dumbbell shape, indicating the presence of metal-to-metal bonds.
Graduate students will work with leaders in biorobotics and neuro-mechanical prostheses, designing agile robots and creating devices to restore movement. The program aims to educate scientists and engineers for multidisciplinary teams.
Researchers at the University of Illinois developed a computer simulation to understand nanoelectronics, a field where single electrons control devices. The simulation explores the interplay between quantum mechanics and matter's granularity, enabling scientists to design and optimize next-generation nanoscale electronic devices.
Recent experiments at the University of Illinois cast doubt on the theory that segregation of coarse particles creates finger patterns. Instead, researchers found evidence suggesting an effective surface tension generated by cohesive forces between grains may be responsible for the formation of these patterns.
Computer simulations reveal a tension-activated switch mechanism that regulates fibronectin's cell-binding function, similar to untying a shoelace. The researchers' findings provide new insight into how nature may use molecular mechanics to control biological activity.
Anthony Leggett, a professor of physics at the University of Illinois, has been named an Honorary Fellow of the Institute of Physics. He was recognized for his fundamental contributions to theory of superfluidity in helium-3 and quantum mechanics of macroscopic systems.
A US-France-Canada physics collaboration has confirmed that hydrogen bonds in water partially get their identity from covalent bonds within the H2O molecule. This property is a manifestation of quantum mechanics' effects, enabling researchers to improve predictions and advance areas like nanotechnology and superconductors.
Physicists Daniel Kabat and Gilad Lifschytz propose tachyons as the solution to explain how black holes absorb particles without violating M-theory. Tachyons, with imaginary mass, could provide a mechanism for energy absorption, making it possible for black holes to devour matter.
The study found that dietary DHA and EPA supplementation significantly influenced heart rate, with improved left ventricular diastolic filling observed in the marine oil groups. The fatty acid composition of plasma phospholipids may affect cardiac mechanics in humans.
A NASA experiment has yielded new insights into the internal fabric of soil and powders under very low confining pressures. The Mechanics of Granular Materials (MGM) experiment showed unusual density patterns and unique shear band formations, which could lead to improved engineering standards and disaster preparedness.
A Cornell University robot made from plastic Tinkertoy parts has been shown to perform repeatable, chattering, human-like stable steps without falling over on a gentle slope. The robot's design provides new insights into the mechanics of walking and may have implications for designing better powered and controlled biped robots.
A new book on composite materials has been published by Virginia Tech professor Michael W. Hyer, focusing on the mechanics aspects of fiber-reinforced composite materials. The book provides a comprehensive approach to understanding the stresses due to applied deformations, loads, and temperature changes.
Research finds that White students tend to provide more praise and less criticism when evaluating essays written by Black students, compared to when evaluating those written by White students. This 'positive feedback bias' can deprive minority students of intellectual challenges and may compound existing biases.
String theory proposes that elementary particles are vibrating strings in 10 dimensions, requiring a reconciliation of quantum mechanics and general relativity. Mathematicians have found Calabi-Yau manifolds that describe simple equations, which resemble special black holes in our four-dimensional world.
The STS-89 mission will conduct experiments on granular materials, studying their behavior under conditions that cannot be simulated on Earth. The Mechanics of Granular Materials experiment will make twice as many test runs under an expanded range of conditions, potentially leading to great ramifications for down-to-Earth engineering. ...
The Mechanics of Granular Materials (MGM) experiment aims to expand investigations into soil mechanics started on STS-79 in 1996. The new flight will run twice as many tests under various experimental conditions, providing insights into the behavior of soils under low-confining pressures.
Researchers at the University of Illinois developed a new theory to account for energy flow within large molecules, finding that slow energy transfer can modify reaction rates. The study applied this theory to the kinetics of stilbene isomerization, showing good agreement between calculated and experimental data.
Carnegie Mellon University researchers are developing mobile, wearable computer systems to provide fast access to maintenance and repair information for aircraft mechanics. The project aims to cut time and cost of planes going in and out of repair depots, benefiting the US Air Force.
A Duke University theoretical chemist has developed a divide and conquer method to model electronic structures of large molecules with reduced calculations. The technique enables researchers to precisely describe electron interactions, providing a more refined picture of molecule behavior.
Researchers at University at Buffalo document relationship between initial and secondary injuries in runners, revealing altered running mechanics that can lead to further joint and muscle issues. Study findings may lay groundwork for developing 'prescriptions' to prevent secondary injuries.
A new method for isotope separation has been developed by Dr. Ilya Averbukh, combining the advantages of mechanical separation with laser techniques. The technique uses wavepackets to distinguish between different isotopes, allowing for fast and effective separation in industries such as chemical and pharmaceutical research.