I just read a nice article called "Superlubricity study shows a frictionless state can be achieved at microscale."
phys.org
--from SUNY Poly
Alloys
https://techxplore.com/news/2024-07-machine-secrets-advanced-alloys.html
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Materials research
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Soft and stretchy
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Tiny tractor beam
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Magnetics and vibration elimination
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Energy landscapes
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Tech
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Superlubricity study shows a frictionless state can be achieved at macroscale
The president of SUNY Polytechnic Institute (SUNY Poly), Dr. Winston "Wole" Soboyejo, and postdoctoral researcher Dr. Tabiri Kwayie Asumadu have published a paper titled, "Robust Macroscale Superlubricity on Carbon-Coated Metallic Surfaces." This paper explores an innovative approach to reducing...
Alloys
https://techxplore.com/news/2024-07-machine-secrets-advanced-alloys.html
Researchers report pathway to stronger alloys for extreme environments
At around 2,500 degrees Fahrenheit, steel melts. When aluminum is exposed to moisture and oxygen, it corrodes. While these conventional alloys are well suited to everyday environments, they fold under abnormally excessive exposure to extreme heat, cold, pressure and other conditions. And with...
Materials research
How a futuristic material is able to change its properties from soft to rigid, and back again
In our everyday life, we are surrounded by objects that have properties enabling them to perform certain functions. Rigidity and softness enable an object to perform a specific function. These properties are seemingly opposing in nature, and one property cannot be traded for another.
New AI approach accelerates targeted materials discovery and sets the stage for self-driving experiments
Scientists have developed an AI-based method that helps gather data more efficiently in the search for new materials, allowing researchers to navigate complex design challenges with greater precision and speed.
A new approach to accelerate the discovery of quantum materials
Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and several collaborating institutions have successfully demonstrated an innovative approach to find breakthrough materials for quantum applications. The study is published in the journal Nature...
AI method radically speeds predictions of materials' thermal properties
It is estimated that about 70% of the energy generated worldwide ends up as waste heat.
Scientists develop new AI method to create material 'fingerprints'
Like people, materials evolve over time. They also behave differently when they are stressed and relaxed. Scientists looking to measure the dynamics of how materials change have developed a new technique that leverages X-ray photon correlation spectroscopy (XPCS), artificial intelligence (AI)...
Soft and stretchy
A new method to fabricate stretchable and breathable electronics
In recent years, engineers and material scientists have introduced increasingly flexible electronics that could be used to create new wearable devices, such as smart watches, biosensors and health-monitoring technologies. To be safely worn by humans for prolonged periods of time, these...
Soft, stretchy 'jelly batteries' inspired by electric eels
Researchers have developed soft, stretchable 'jelly batteries' that could be used for wearable devices or soft robotics, or even implanted in the brain to deliver drugs or treat conditions such as epilepsy.
Flexible electronics researchers develop a completely stretchy lithium-ion battery
When you think of a battery, you probably don't think of stretchy material. But batteries will need this shape-shifting quality to be incorporated into flexible electronics, which are gaining traction for wearable health monitors. Now, researchers in ACS Energy Letters report a lithium-ion...
Scientists develop 3D-printed active fabric for medical devices and soft robotics
Scientists at Nanyang Technological University, Singapore (NTU Singapore), have developed an innovative wearable fabric that is flexible but can stiffen on demand.
Scientists develop novel iontronic skin with excellent self-healing efficiency and sensitivity
Researchers led by Prof. Zhu Jin at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences have developed a novel mechano-responsive elastomer, i-DAPU, achieving high-performance iontronic skin that integrates self-healing and synchronous sensing.
First health care device powered by body heat made possible by liquid based metals
In the age of technology everywhere, we are all too familiar with the inconvenience of a dead battery. But for those relying on a wearable health care device to monitor glucose, reduce tremors, or even track heart function, taking time to recharge can pose a big risk.
Flexible, permeable and 3D integrated electronic skin combines liquid metal circuits with fibrous substrates
In recent years, research teams worldwide have been trying to develop new flexible and soft electronics. These devices could have various potential applications, for instance helping doctors to monitor their patients' health conditions or supporting rehabilitation and performance sports.
Strategy enhances breakdown strength and polarization in dielectric nanocomposites
Electrostatic capacitors are a key component in high-power pulse equipment, power transmission and transformation engineering, new energy vehicles, and 5G communication. Their capability for ultrafast charging-discharging and ultrahigh power density is pivotal for their performance.
Stretchable electronics might make their way onto the market thanks to roll-to-roll process
Electronics have evolved over the years to supersede simply enhancing day-to-day life to becoming almost seamlessly integrated with daily life. People have become accustomed to wearable electronics, but what about stretchable ones?
New parameter helps clarify how soft materials fail under stress
Understanding how soft materials fail under stress is critical for solving engineering challenges as disparate as pharmaceutical technology and landslide prevention. A new study linking a spectrum of soft material behaviors—previously thought to be unrelated—led researchers to identify a new...
Tiny tractor beam
New tractor beam technology could one day minimize biopsy trauma
Researchers at TMOS, the ARC Center of Excellence for Transformative Meta-Optical Systems, have taken an important first step in the development of metasurface-enabled tractor beams—rays of light that can pull particles toward it, a concept that fictional tractor beams featured in science...
Researchers use light to control ferrofluid droplet movements in water
A team of engineers at the Max Planck Institute for Intelligent Systems, the Chinese University of Hong Kong and the Gwangju Institute of Science and Technology has found that ferrofluidic drops in a tank of water can be forced to rise in desired ways using light. The study is published in the...
Magnetics and vibration elimination
The magnet trick: New invention makes vibrations disappear
When everything shakes, precision is usually impossible—everybody who has ever tried to take a photo with shaky hands or make handwritten notes on a bumpy bus journey knows that. With technical precision measurements, even much smaller vibrations are a major problem, for example, with...
Nanomedicine researchers develop new technology to control neural circuits using magnetic fields
Researchers at the Center for Nanomedicine within the Institute for Basic Science (IBS) and Yonsei University in South Korea have unveiled a technology that can manipulate specific regions of the brain using magnetic fields, potentially unlocking the secrets of high-level brain functions such as...
A new way to control the magnetic properties of rare earth elements
The special properties of rare earth magnetic materials are due to the electrons in the 4f shell. Until now, the magnetic properties of 4f electrons were considered almost impossible to control.
A microscopic factory for small runners: New method uses magnetic loops for growth control
Researchers at the University of Bayreuth have developed a new method for controlling the growth of physical micro-runners. They used an external magnetic field to assemble paramagnetic colloidal spheres—i.e. only magnetic due to external influences—into rods of a certain length. Colloidal...
Energy landscapes
Physicists develop new theorems to describe the energy landscape formed when quantum particles gather together
An international team of physicists, centered at Trinity, has proven new theorems in quantum mechanics that describe the "energy landscapes" of collections of quantum particles.
Tech
Researchers achieve success in allowing a patient to 'speak' using only the power of thought
A scientific breakthrough by researchers from Tel Aviv University and Tel Aviv Sourasky Medical Center (Ichilov Hospital) has demonstrated the potential for speech by a silent person using the power of thought only. In an experiment, a silent participant imagined saying one of two syllables...
You're just a stick figure to this camera—a new camera to prevent companies from collecting private information
A new camera could prevent companies from collecting embarrassing and identifiable photos and videos from devices like smart home cameras and robotic vacuums. It's called PrivacyLens and was made by University of Michigan engineers.
Engineers develop technique to pinpoint nanoscale 'hot spots' in electronics to improve their longevity
When electronic devices like laptops or smartphones overheat, they are fundamentally suffering from a nanoscale heat transfer problem. Pinpointing the source of that problem can be like trying to find a needle in a haystack.
A new material for small electronics that gives batteries longer life
Scientists have achieved a series of milestones in growing a high-quality thin film conductor, suggesting in a new study that the material is a promising candidate platform for future wearable electronics and other miniature applications.
Electroplating strategy could lead to safer, more stable metal batteries
Metal batteries have the potential to deliver more energy, at a lower weight, than the popular lithium-ion battery. The problem, however, is that the technology currently has too short a lifespan due to the highly reactive nature of the lithium metal within these batteries.
Researchers develop novel electrode for improving flowless zinc-bromine battery
Due to rising environmental concerns, global energy production is shifting from fossil fuels to sustainable and renewable energy systems such as solar and wind power. Despite their advantages, they have two significant weaknesses: volatile power production and irregular supply. Hence, they are...
Scientists integrate solid-state spin qubits with nanomechanical resonators
In a new Physical Review Letters study, scientists propose a new method for combining solid-state spin qubits with nanomechanical resonators for scalable and programmable quantum systems.
Researchers achieve unprecedented nanostructuring inside silicon
Silicon, the cornerstone of modern electronics, photovoltaics, and photonics, has traditionally been limited to surface-level nanofabrication due to the challenges posed by existing lithographic techniques. Available methods either fail to penetrate the wafer surface without causing alterations...
Silicon photonics light the way toward large-scale applications in quantum information
In a significant leap forward for quantum technology, researchers have achieved a milestone in harnessing the frequency dimension within integrated photonics. This breakthrough not only promises advancements in quantum computing, but also lays the groundwork for ultra-secure communications networks.
Study unveils solvent-free dry electrodes that boost lithium-ion battery performance
A team of researchers, affiliated with UNIST has made a significant breakthrough in developing an eco-friendly dry electrode manufacturing process for lithium-ion batteries (LIBs). The new process, which does not require the use of harmful solvents, enhances battery performance while promoting...
Observing how light makes a metal—new details about the insulator-to-metal transition in a quantum material
With just the flick of a switch, quantum materials can undergo drastic changes. One notable example is the insulator-to-metal transition, a reversible physical phenomenon in which a material shifts from an insulating state, which will not conduct electricity, to a metallic one that will.
Lab develops smallest free-floating bubbles for medical imaging
Bioengineering researchers at Rice University have developed ultrasmall, stable gas-filled protein nanostructures that could revolutionize ultrasound imaging and drug delivery.
New tool can predict bitterness in foods without prior knowledge of their chemical structures
BitterMasS, a novel tool utilizing mass spectrometry, promises advancements in predicting bitterness in compounds. Developed through interdisciplinary collaboration, it offers enhanced precision and efficiency compared to traditional methods, with wide-ranging applications in food science...
The Fiber Shredder: Professor's machine could make clothing more recyclable
The textile industry is a major polluter, producing 92 million tons of textile waste globally each year, according to Boston University.
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