Tech Briefs

Electric Eel Biology Inspires Powerful Gel Battery

Power sources used in devices found in or around biological tissue must be flexible and non-toxic, while still powerful enough to support demanding technologies such as medical devices or soft robotics. To achieve this balance, researchers at Penn State are taking inspiration from electric eels. Read on to learn more.

Breakthrough in Carbon-Based Battery Materials Improves Safety, Durability, and Power

This research demonstrates a new way to make carbon-based battery materials much safer, longer lasting, and more powerful by fundamentally redesigning how fullerene molecules are connected. Read on to learn more.

Supercapacitors That Rival Batteries

In a study published in Nature Communications, a team reveals a new kind of carbon-based material that allows supercapacitors to store as much energy as traditional lead-acid batteries, while delivering power far faster than conventional batteries can manage. Read on to learn more.

Research Upturns Assumptions About Battery Failure

New research from Argonne National Laboratory and the University of Chicago Pritzker School of Molecular Engineering has solved a major battery mystery that has led to capacity degradation, shortened lifespan and, in some cases, fire. Read on to learn more.

Building an Affordable Grid-Scale Alternative to Batteries

Researchers at Rice University have found a new way to improve a key element of thermophotovoltaic systems, which convert heat into electricity via light. Read on to learn more about it.

Anode-Free Battery Doubles Electric Vehicle Driving Range

A joint research team led by Professor Soojin Park and Dr. Dong-Yeob Han of the Department of Chemistry at POSTECH, together with Professor Nam-Soon Choi and Dr. Saehun Kim of KAIST, and Professor Tae Kyung Lee and researcher Junsu Son of Gyeongsang National University, has successfully achieved a volumetric energy density of 1270 Wh/L in an anode-free lithium metal battery. This value is nearly twice that of lithium-ion batteries currently used in electric vehicles, which typically deliver around 650 Wh/L. Read on to learn more.

New Protective Layer Boosts Lithium Metal Battery Performance

The coating toughens the surface of the electrolyte fivefold against fracturing from mechanical pressure. It also makes existing imperfections much less vulnerable to lithium burrowing inside, especially during fast recharging. Read on to learn more.

Baby Turtles Inspire a New Swimmer Bot

A team of roboticists at the University of California San Diego has developed a robot that can swim under the sand and dig itself out too, thanks to two front limbs that mimic the oversized flippers of turtle hatchlings. Read on to learn more about it.

Super-Fast Camera Sees Through Dynamic Disorder of Atoms

When materials function inside an operating device, they can behave as if they are dancing. This dynamic disorder is difficult to study because the clusters are not only so small and disordered, but they also fluctuate in time. Researchers report that they have developed a new kind of “camera” that can see the local disorder. Read on to learn more about it.

Artificial Reef Could Protect Marine Life, Reduce Storm Damage

A team at MIT is hoping to fortify coastlines with “architected” reefs — sustainable, offshore structures engineered to mimic the wave-buffering effects of natural reefs while also providing pockets for fish and other marine life. The team’s reef design centers on a cylindrical structure surrounded by four rudder-like slats. Read on to learn more about it.

Using Waste to Purify Water

Using waste to purify water may sound counterintuitive. But at TU Wien, this is exactly what has now been achieved: a special nanostructure has been developed to filter a widespread class of harmful dyes from water. Read on to learn more about it.

Meet PASE: The Pneumatically Actuated Soft Elbow Exoskeleton

For workers whose jobs involve hours of lifting and repetitive motion, even small innovations can make a big difference in preventing future musculoskeletal disorders. That’s why engineers at The University of Texas at Arlington have developed PASE (Pneumatically Actuated Soft Elbow Exoskeleton), a soft robotic exoskeleton that lightens the load — literally — by reducing strain on the arm and elbow. Read on to learn more.

Energy-Efficient Freshwater Generation System Inspired by Nature

A team of researchers is designing novel systems to capture water vapor in the air and turn it into liquid. University of Waterloo Professor Michael Tam and his Ph.D. students Yi Wang and Weinan Zhao have developed sponges or membranes with a large surface area that continually capture moisture from their surrounding environment. Read on to learn more.

ARC ANGEL Reduces Gravity’s Effect on Arms

Innovators at NASA Johnson Space Center have developed an Earthbound robotic training system called “ARGOS” for short. It can actively simulate an astronaut’s weightlessness in space by using an overhead runway and bridge drive system to partially or fully offload their weight using attached cables, effectively suspending them off the ground. Read on to learn more.

New Electronic “Skin” Could Enable Lightweight Night-Vision Glasses

MIT engineers have developed a technique to grow and peel ultrathin “skins” of electronic material. The method could pave the way for new classes of electronic devices, such as ultrathin wearable sensors, flexible transistors and computing elements, and highly sensitive and compact imaging devices. Read on to learn more.

First Electronic-Photonic Quantum Chip Created in a Commercial Foundry

In a milestone for scalable quantum technologies, scientists from Boston University, UC Berkeley, and Northwestern University have reported the world’s first electronic–photonic–quantum system on a chip, according to a study published in Nature Electronics. Read on to learn more about it.

Using ‘Doughnut’ Beams to See Incredibly Small Objects

In a new study, researchers at CU Boulder have used doughnut-shaped beams of light to take detailed images of objects too tiny to view with traditional microscopes. The new technique could help scientists improve the inner workings of a range of “nanoelectronics,” including the miniature semiconductors in computer chips. Read on to learn more.

A Smart Sensor Performs AI Tricks While Capturing Spectral Images

By folding AI algorithms into a camera’s sensor itself, researchers at the Department of Energy’s Lawrence Berkeley National Laboratory have now eliminated a data-processing bottleneck that has long plagued the performance of spectral imaging technology. The result is an intelligent sensor capable of identifying chemicals and characterizing materials quickly and efficiently. Read on to learn more.

Harvesting Water from Air

Even in arid parts of the world, there is usually moisture in the air. This moisture could provide much-needed water for drinking and irrigation, but extracting water out of air is difficult. A new technology developed by KAUST researchers can consistently extract liters of water out of thin air each day without needing regular manual maintenance. Read on to learn more.

Quantum Eyes on Energy Loss: Diamond Quantum Imaging for Next-Gen Power Electronics

Improving energy conversion efficiency in power electronics is vital for a sustainable society. Wide-bandgap semiconductors like GaN and SiC power devices offer advantages due to their high-frequency capabilities. However, energy losses in passive components at high frequencies hinder efficiency and miniaturization. Find out what a research team from the School of Engineering, Institute of Science Tokyo, Japan, developed to help.

Soft Robots That Can Walk on Water

Imagine a tiny robot, no bigger than a leaf, gliding across a pond’s surface like a water strider. One day, devices like this could track pollutants, collect water samples, or scout flooded areas too risky for people. Baoxing Xu, Professor of Mechanical and Aerospace Engineering at the University of Virginia’s School of Engineering and Applied Science, is pioneering a way to build them. Read on to learn more.

A Compact Metalens Telescope Capable of Imaging the Moon

Astronomers and amateurs alike know the bigger the telescope, the more powerful the imaging capability. To keep the power but streamline one of the bulkier components, a Penn State-led research team created the first ultrathin, compact metalens telescope capable of imaging faraway objects, including the Moon. Read on to learn more.

Light-Powered Soft Lens Brings Human-Like Vision to Robotics

A team of biomedical engineers at Georgia Tech has unveiled a breakthrough in adaptive optics: a bio-mimetic, light-powered soft lens that mimics the human eye’s ability to refocus and adjust to varying light conditions. Read on to learn more.

Hierarchical 3D LiDAR Localization Improves Robot Positioning

Researchers at Miguel Hernández University of Elche (UMH) in Spain have developed a hierarchical localization system that significantly improves robot positioning in large, changing environments. The method addresses one of the most challenging problems in mobile robotics: the so-called “kidnapped robot” problem, in which a robot loses knowledge of its initial pose after being moved, powered off, or displaced. Read on to learn more.

Using AI to Control a Robot on the International Space Station

Stanford researchers have introduced a system designed to help Astrobee, a cube-shaped, fan-powered robot, autonomously navigate the International Space Station. Read on to learn more.

New Neural Blueprint Lets Soft Robots Learn Once and Adapt Instantly

A new artificial intelligence control system enables soft robotic arms to learn a wide repertoire of motions and tasks once, then adjust to new scenarios on the fly, without needing retraining or sacrificing functionality. This breakthrough brings soft robotics closer to human-like adaptability for real-world applications. Read on to learn more.

Bio-Inspired Robotic Wing Enhances Underwater Vehicle Control

Researchers have taken inspiration from nature to create a robotic wing that can sense and adapt to changes in water to deliver unparalleled stability. Read on to learn more.