Articles tagged with Shape Memory
Researchers at the University of Groningen developed an atomistic model that predicts the driving force for microstructural twinning in shape memory alloys. This discovery can lead to the creation of new crystalline materials with improved reversible deformations, vibration damping, and impact absorption.
Researchers at Texas A&M University have developed a smart plastic that can self-heal and adapt to extreme conditions, making it ideal for aerospace and automotive applications. The material's unique properties allow it to restore its shape after deformation, improve vehicle safety, and reduce environmental waste.
Researchers at Pohang University of Science and Technology developed a novel dry adhesive technology using shape memory polymers, allowing for precise micro-LED chip transfer with minimal residue. The technology offers significant advantages over conventional methods, including high adhesion strength and easy release.
Developed using lightweight shape memory materials, the gripper systems function without additional sensors, reducing energy consumption and increasing flexibility. They can be controlled in real-time with short pulses of electric current, enabling safe human interaction and minimizing production costs.
A new study found that babies show positive responses to the smell of foods they were exposed to in the womb after birth. Newborns whose mothers had taken carrot powder capsules reacted favourably to the smell of carrot, while those whose mothers had taken kale powder capsules reacted more positively to the scent of kale.
Researchers at NC State University have developed a technique to create miniature soft hydraulic actuators that can move small soft robots, allowing for exceptional control and delicacy. The actuators use shape memory polymers and microfluidic channels to control the motion and shape change of the soft robots.
A new device combines rapid hemorrhage management, infection control, and sensing capabilities for long-term monitoring. The device features a tunable biodegradation rate and can detect bleeding in real-time using a nanowire-based capacitive sensor.
Researchers at ETH Zurich have successfully applied the shape-memory effect to nano-sized objects, overcomes the limitation of objects needing to be larger than 50 nanometers. The material ferroic oxides showed a free-standing nanoscale structure made of ferroic oxides that are highly elastic and resilient.
A new study from the University of Kansas found that people tend to have more memories associated with older songs and movie clips, which are often happier and more positive. The researchers discovered that these nostalgic experiences can lead to appreciation for lighthearted entertainment, such as pop music or superhero movies.
A new category of shape-memory materials made of ceramic, rather than metal, has been discovered by MIT researchers. The ceramic material can actuate without accumulating damage and withstand much higher temperatures than existing metals, making it suitable for applications such as actuators in jet engines.
Researchers propose a novel paradigm using nanoscale nonlinear fluid dynamics to support recurrent neural networks in neuromorphic computing. The liquid film functions as an optical memory, enabling 'reservoir computing' capable of performing digital and analog tasks.
Researchers at Saarland University are developing orthopaedic implants that can actively stimulate bone healing by undergoing controlled micromotions. These innovative implants, which use shape-memory wires, can provide real-time information on fracture progression and identify potential complications.
A new study at Tel Aviv University reveals prehistoric humans collected and recycled old stone tools, mostly to preserve the memory of their ancestors. The researchers propose that they had an emotional urge to collect old human-made artefacts, as a means for maintaining connectedness with place and time.
Scientists at Tel Aviv University have created two-dimensional polymer microfiber networks that exhibit shape memory properties. These networks can be controlled by temperature-induced changes, allowing for morphing materials with microscale resolutions.
Scientists have created a reversible shape memory ceramic material by combining different phases, overcoming the brittleness of traditional ceramics. This breakthrough has potential applications in high-temperature or corrosive environments, enabling new ferroelectric ceramics that can generate electricity from small temperature differ...
Researchers investigated glass fiber-reinforced epoxy-based flat laminates with pultrusion, a fast and versatile composite manufacturing process. The study found significant promise for structural applications of these 'shape memory' composites in various industries.
Researchers at Cornell University have created a micron-sized self-folding origami bird using shape memory actuators. The device can fold itself into 3D configurations within 100 milliseconds and holds its shape even after the voltage is removed.
Researchers developed a computer program to create geometric shapes from video sequences, comparing them to participants' recounted experiences. The study found that people tend to remember major plot points accurately, while finer-scale details are distorted or forgotten.
A team of scientists has developed a novel hydrogel formula based on PEGda and HMPP for 3D direct laser writing (DLW) with low threshold power using a green laser. The new formula enables the fabrication of precise microstructures with high resolution and mechanical stability, suitable for biomedical engineering applications such as wo...
A study found that a molecular system regulates electrical signals in the brain, enabling learning and memory. The research also identified a molecule that controls this process, which could lead to new treatments for conditions like Alzheimer's disease and Parkinson's.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed a biocompatible material with reversible shape memory. The material, made from recycled keratin protein, can be 3D-printed into any shape and change its structure in response to moisture.
Salk scientists have developed a new lineup method that reveals the strength of recognition memory for each face and eliminates unconscious biases. This technique, called paired comparisons, estimates the probability of correctly identifying the culprit, offering an unprecedented quantitative index of certainty.
Scientists from North Carolina State University have developed artificial cilia that can be controlled using magnetic fields and light. The research builds on earlier work in designing soft robots for magnet and light control. The new findings demonstrate the potential applications of shape memory magnetic cilia in various fields.
Researchers at Rice University have simulated a complex network mechanism by which the brain retains information. The study suggests that cytoskeletal avalanches within neurons' dendritic spines may be one way they retain new information.
Researchers developed a new composite material with magnetic shape memory activated by magnetism, offering advantages in medicine and robotics. The material consists of polymer and droplets of magnetorheological fluid, increasing stiffness up to 30 times.
Researchers create a new type of self-healing material that exhibits properties such as toughness and shape memory. The material autonomously heals under mechanical damage, including in water and aqueous acid and alkaline solutions, without the need for external energy or stimulus.
A new study published in Scientific Reports suggests that severe trauma from war, torture, and natural disasters may not necessarily lead to posttraumatic stress disorder (PTSD) in refugees. However, those who struggle to control their memories are more likely to exhibit symptoms of PTSD.
Kyoto University scientists have developed a shape-memory effect in porous materials, which can change and retain their shapes. The new material, with a porosity of 46%, has been shown to adsorb carbon dioxide and retain its shape after multiple cycles.
A laboratory analysis found that some landscape shapes retain their past forms under turbulent flows, while others erase their initial shapes. The study's results have significant implications for geological dating and understanding the formation of landscapes.
The discovery of a shape-memory mechanism in synthetic organic materials could lead to advancements in low-power electronics and medical devices. The researchers found that the transformation process is driven by concerted movement of molecules, enabling reversible and ultrafast shape changes.
Researchers at Ames Laboratory and UConn have discovered a material with extraordinary 'bounce' or super-elastic shape-memory properties, exceeding 13% recoverable strain. This breakthrough could lead to innovative applications in outer space and other harsh environments.
Four NYU faculty members have been awarded Sloan Foundation fellowships for their innovative research, transforming fields such as neuroscience, finance, and chemistry. Jayeeta Basu aims to understand long-term memory formation, while Johannes Stroebel focuses on financial decision-making of households.
Scientists at Northwestern University used non-invasive brain stimulation to target specific memory networks, enhancing spatial precision and retention. The treatment showed lasting benefits of up to 24 hours, outperforming previous studies on short-lived effects.
Researchers found that when people watch a movie and then recall it, their brains exhibit similar activity patterns for specific scenes, suggesting a common framework for remembering. These shared brain patterns are essential for our ability to interact with others and form social groups.
Researchers found that synchronizing collective memories through conversation leads to similar recall and forgetting patterns within groups. This phenomenon, known as mnemonic convergence, is influenced by both individual recall and group interactions.
Researchers at MIT and SUTD used light to print 3D structures that can remember their original shapes after being stretched, twisted, and bent. The structures can be printed with micron-scale features and have potential applications in biomedical devices, soft robotics, and solar panel tracking.
Researchers at Tohoku University discovered a new shape memory alloy with superelastic effect, raising potential for various industries. The alloy exhibits shape recovery upon heating, making it suitable for self-deployable space habitat frames and damping devices.
Researchers created a mathematical equation for an ideal dynamic climbing rope that would slow falling climbers like brakes on cars. The study suggests using shape memory materials, which can be deformed and return to their original shape, to achieve this effect.
Researchers at Saarland University have developed a new cooling method using shape memory materials, which can reduce energy consumption and greenhouse gas emissions. The system exploits the ability of nickel-titanium alloys to absorb and release heat when deformed or stretched.
A new study by Douglas Mental Health University Institute researchers suggests that the shape of the hippocampus, not its size, is linked to improved memory function. The research, published in Human Brain Mapping, found that individuals with a broader hippocampus tend to perform better on memory tests than those with a smaller one.
Researchers at Saarland University have developed an artificial hand with muscles made from shape-memory wire, enabling precise movements and adaptability. The technology has potential applications in industrial production lines and prosthetic devices.
A study by Princeton University's Woodrow Wilson School found that Americans' motivation to remember information that absolves American soldiers of atrocities alters their memories. The researchers reported that participants were more likely to remember justifications for atrocities committed by American soldiers than those committed b...
Researchers explore the clinical applications of shape-memory polymers, offering functionality beyond ease of deployment. Thermoresponsive and athermoresponsive SMPs can be actuated by temperature or light, enabling biodegradable implants with drug release capabilities.
A team of scientists at Berkeley Lab has developed a new material that exhibits the highest shape-memory effect ever recorded in an oxide material. This breakthrough discovery opens up exciting possibilities for future nanoelectromechanical devices and other state-of-the-art nanosystems.
Scientists at MIT have created tiny ceramic objects that can bend up to 7% without cracking, overcoming the material's brittleness. The flexible ceramics have potential for biomedical applications, such as triggering actions in microdevices.
Scientists at The University of Akron have developed a simple method to synthesize double-network hydrogels, which exhibit high mechanical properties and are promising replacements for load-bearing soft tissues like cartilage. These hydrogels can also be loaded with drugs and placed into the body, where they biodegrade and release the ...
Consumers prefer appetizers served first when dining with others, as the beginning of the experience influences their overall judgment. This study highlights the importance of considering social context in consumption experiences, such as restaurants and museums.
Physicists from the University of Constance used computer simulations to study shape memory materials down to the nanoscale. They found that the material's atomic-scale crystal structure shifted as the temperature increased, triggering a structural phase transition.
Researcher Charles Weaver challenges the notion of 'flashbulb memory' as accurate recollections of significant events like 9/11. His findings show that memories are shaped and lost over time, influenced by media accounts and social interactions.
Researchers are gaining insight into the workings of magnetic shape-memory materials by studying their molecular level behavior. By examining the effects of excess manganese atoms on a specific alloy, scientists hope to develop materials that exhibit larger changes in shape.
A new study published in Psychological Science found that short-term visual memories of colors and shapes can last for at least four seconds without gradually fading away. After this period, the memories disappear completely, providing a clearer understanding of how memory formation and retention work.
Researchers found that historically-defined autobiographical periods exist, but their formation depends on the intensity and novelty of public events. Public events like wars and natural disasters can categorize personal memories as 'emotionally charged' or 'epoch-defining', causing them to become entwined with history.
Researchers at the University of Rochester developed a new class of transparent, rubbery shape-memory polymers that can be controlled to change shape in response to temperature. This material has potential applications as diverse as biomedical implants, conformal face-masks, self-sealing sutures, and smart labels.
Materials with shape memory can absorb large amounts of energy, reducing earthquake and wind-induced vibrations. The research aims to understand how these materials 'remember' their shape and improve their applications in various fields.
Researchers have made advances in understanding false memories by identifying brain areas activated in true versus false memories. The right fusiform area was found to be more active in encoding objects that were later labeled as the same as those seen earlier, but less active when they were only similar or actually the same.
Researchers have found that the right fusiform area is more active when participants recognize objects as similar to those seen earlier, but less active when they correctly label them as new. This suggests that the right fusiform area plays a role in encoding specific visual details and may help reduce false memories.
A brain scan technique called functional MRI reveals differences between healthy elderly persons and those with poor memory, indicating less effective data storage. This finding has implications for diagnosing normal memory problems versus the early stages of dementia.
Researchers at MIT have developed a biodegradable smart suture that can change shape in response to temperature changes, potentially solving medical implant challenges. The new material has shown promise for creating temporary shapes in confined spaces, such as those associated with minimally invasive surgery.