Stories
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Briefs: Photonics/Optics
In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.
Briefs: Imaging
Imagine if physicians could capture 3D projections of medical scans, suspending them inside an acrylic cube to create a hand-held reproduction of a patient’s heart, brain, kidneys, or other organs. Then, when the visit is done, a quick blast of heat erases the projection, and the cube is ready for the next scan. A new report by researchers at Dartmouth and Southern Methodist University outlines a technical breakthrough that could enable such scenarios, and others, with widespread utility. Read on to learn more.
Briefs: Propulsion
The “nanoswimmers” could be used to remediate contaminated soil, improve water filtration, or even deliver drugs to targeted areas of the body.
INSIDER: Electronics & Computers
Managing the heating and cooling of electric vehicle propulsion systems may seem to be an easy task compared with combustion engines. After all, ICEs run much hotter — the thermal optimum for a...
Briefs: Manufacturing & Prototyping
Eva Baur, a Ph.D. student, used 3D-printed double network granular elastomers (DNGEs) to print a prototype ‘finger,’ complete with rigid ‘bones’ surrounded by flexible ‘flesh.’ The finger was printed to deform in a pre-defined way, demonstrating the technology’s potential to manufacture devices that are sufficiently supple to bend and stretch, while remaining firm enough to manipulate objects. Read on to learn more.
Briefs: Materials
Perovskites are among the most researched topics in materials science. Recently, a research team solved an age-old challenge to synthesize all-organic two-dimensional perovskites, extending the field into the exciting realm of 2D materials. This breakthrough opens up a new field of 2D all-organic perovskites, which holds promise for both fundamental science and potential applications.
Briefs: Energy
In a recent study published in the journal ACS Applied Energy Materials, researchers have utilized poly(vinylphosphonic acid) (PVPA) as a binder for a micro-SiO electrodes, achieving superior performance compared to conventional cells. Read on to learn more.
Briefs: Materials
A new approach has allowed researchers at Aalto University to design a kind of metamaterial that has so far been beyond the reach of existing technologies. Unlike natural materials, metamaterials and metasurfaces can be tailored to have specific electromagnetic properties, which means scientists can create materials with features desirable for industrial applications.
Briefs: Materials
The advance, detailed in a paper published recently in the journal Physica Scripta, could enable more efficient compact fusion reactors that are easier to repair and maintain.
Briefs: Medical
To aid the development of gel-like materials, MIT and Harvard University researchers have created a set of computational models to predict the material’s structure and mechanical properties, as well as functional performance outcomes.
Articles: Robotics, Automation & Control
This article examines advancements in Flexiv’s material abrasion technology, specifically focusing on sanding and polishing applications and the utility of force control technology.
Briefs: Energy
Inventors from NASA Langley and NASA Ames have created a new type of carbon fiber polymer composite that has a high thermal conductivity.
Briefs: Electronics & Computers
A research team has successfully overcome the limitations of soft strain sensors by integrating computer vision technology into optical sensors. The team developed a sensor technology known as computer vision-based optical strain (CVOS) during its study. Unlike conventional sensors reliant on electrical signals, CVOS sensors employ computer vision and optical sensors to analyze microscale optical patterns, extracting data regarding changes.
Briefs: Lighting
Researchers at SEAS have uncovered hidden potential in metasurfaces and demonstrated optical devices that manipulate light’s polarization state with an unprecedented degree of control. Read on to learn more.
Briefs: Materials
Using kirigami, the ancient Japanese art of folding and cutting paper, MIT researchers have now manufactured a type of high-performance architected material known as a plate lattice, on a much larger scale than scientists have previously been able to achieve by additive fabrication.
Briefs: Manufacturing & Prototyping
A new method for metal 3D printing aims to make more efficient use of resources by allowing structural modifications to be “programmed” into metal alloys during 3D printing, fine-tuning their properties without the “heating and beating” process that’s been in use for thousands of years.
Briefs: Materials
NASA’s Langley Research Center has developed a simplified, tool-less automated tow/tape placement (ATP) system. This invention enables several benefits that mitigate limitations associated with conventional ATP systems. Read on to learn more.
Briefs: Manufacturing & Prototyping
Researchers have unveiled a remarkable new material with potential to impact the world of material science: amorphous silicon carbide (a-SiC). Beyond its exceptional strength, this material demonstrates mechanical properties crucial for vibration isolation on a microchip. It is therefore particularly suitable for making ultra-sensitive microchip sensors.
Briefs: Photonics/Optics
The optical concentration sensor has been demonstrated to effectively measure pretreat concentrations in both still and flowing liquid conditions and is resistant to contamination issues as necessitated by the UWMS.
Briefs: Photonics/Optics
A research team has made new discoveries that can expand additive manufacturing in industries that rely on strong metal parts, including aerospace.
Briefs: Mechanical & Fluid Systems
Taking inspiration from nature, a team of researchers at Queen Mary’s School of Engineering and Materials Science has successfully created an artificial muscle that seamlessly transitions between soft and hard states while also possessing the remarkable ability to sense forces and deformations.
Briefs: Energy
Drawing inspiration from how spiders spin silk to make webs, a team of researchers has developed an innovative method of producing soft fibers that possess three key properties (strong, stretchable, and electrically conductive), and at the same time can be easily reused to produce new fibers.
Briefs: Semiconductors & ICs
Researchers have developed a colloidal synthesis method for alkaline earth chalcogenides. This method allows them to control the size of the nanocrystals in the material.
Briefs: Materials
Researchers have fabricated a novel device that could dramatically boost the conversion of heat into electricity. If perfected, the technology could help recoup some of the recoverable heat energy that is wasted in the U.S. at a rate of about $100 billion each year.
Briefs: Materials
Researchers in the Lyding Group at the University of Illinois Urbana-Champaign have discovered an efficient, sustainable method for 3D-printing single-walled carbon nanotube films, a versatile, durable material that can transform how we explore space, engineer aircraft, and wear electronic technology.
Briefs: Energy
A Penn State-led team of researchers have created a new process to fabricate large perovskite devices that is more cost- and time-effective than previously possible — and may accelerate future materials discovery.
Articles: Aerospace
One of the most demanding needs for dexterous and sustained subtle control inputs during EVA could be the operation of drones as robotic assistants. The Astronaut Smart Glove amplifies the effects of subtle finger, hand, and wrist gestures while wearing existing rigid pressurized spacesuit gloves.
Briefs: Medical
The cellulose nanofiber coating counters bending damage and retains electrode function under water.
Briefs: Manufacturing & Prototyping
Skoltech engineers have used a 3D printer to fabricate — and investigate the mechanical characteristics of — samples of bronze-steel alloys previously unknown to materials science.
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