Tech Briefs

An Innovative Method to Produce Soft, Recyclable Fibers for Smart Textiles

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.

Synthesizing Complex Optical Materials

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.

Developing More Durable Solar Cells

An international research collaboration led by UCLA has developed a way to use perovskite in solar cells while protecting it from the conditions that cause it to deteriorate.

A Novel Way to Convert Heat to Electricity

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.

EV Battery Breakthrough: 10-Minute Charge

Researchers at Penn State University have achieved a breakthrough in electric vehicle (EV) battery design to enable a 10-minute charge time for a typical EV battery.

New Microchip Could Monitor Earth’s Climate, Human Health

A team at Delft University of Technology has built a new technology on a microchip by combining two Nobel Prize-winning techniques for the first time. This microchip could measure distances in materials at high precision — e.g., underwater or for medical imaging.

3D Printing Stronger Carbon Nanotubes

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.

A Sintering Method to Fabricate Large Perovskite Devices

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.

Detecting Porosity Defects in 3D-Printed Metal Parts

A research team has made new discoveries that can expand additive manufacturing in industries that rely on strong metal parts, including aerospace.

Assembling Matter in 3D Using Sound Waves for 3D Printing

Researchers have created a new technology to assemble matter in 3D. Their concept uses multiple acoustic holograms to generate pressure fields with which solid particles, gel beads, and even biological cells can be printed.

Developing High-Energy-Density Batteries Using Aluminum Foil

A team of researchers is using aluminum foil to create batteries with higher energy density and greater stability. The team’s new battery system could enable EVs to run longer on a single charge and would be cheaper to manufacture – all while having a positive impact on the environment.

New Priming Method for Improving Battery Lifecycle

Scientists at Rice University’s George R. Brown School of Engineering have developed a readily scalable method to optimize prelithiation, a process that helps mitigate lithium loss and improves battery life cycles by coating silicon anodes with stabilized lithium metal particles.

Improved Grasping with an Energy-Efficient Robotic Hand

Grasping objects is a problem that is easy for a human, but challenging for a robot. Researchers designed a soft, 3D-printed robotic hand that cannot independently move its fingers but can still carry out a range of complex movements.

An Underwater Robot for Ocean Cleanup

One of the strategies to combat the mounds of waste found in oceans — especially around coral reefs — is to employ robots to master the cleanup. However, existing underwater robots are mostly bulky with rigid bodies, unable to explore and sample in complex and unstructured environments, and are noisy due to electrical motors or hydraulic pumps.

Four-Legged Robotic System Walks a Balance Beam

Researchers in Carnegie Mellon University’s Robotics Institute have designed a system that makes an off-the-shelf quadruped robot nimble enough to walk a narrow balance beam — a feat that is likely the first of its kind.

A Gripper That Grasps by Reflex

Looking to give robots a more nimble, human-like touch, MIT engineers have now developed a gripper that grasps by reflex. Rather than start from scratch after a failed attempt, the robot adapts in the moment.

Biomimetic “Myriapod” Robot Relies on Dynamic Instability to Navigate

Researchers have invented a new kind of walking robot that takes advantage of dynamic instability to navigate. By changing the flexibility of the couplings, the robot can be made to turn without the need for complex computational control systems.

System for Flight Control of Hypersonic Aircraft

Researchers have designed an electrode-based system for guidance, navigation, and control of aircraft or spacecraft moving at hypersonic speeds in ionizing atmospheres.

5G, AI Team Up to Optimize Military Fueling

Armed with 5G network technology, AI, and edge computing resources, a pilot project under development at Naval Air Station Whidbey Island aims to create an optimized refueling system designed to boost readiness for military aircraft.

Drones Navigate Unseen Environments via Liquid Neural Networks

Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) have introduced a method for robust flight navigation agents to master vision-based fly-to-target tasks in intricate, unfamiliar environments.

A Quiet, Efficient Propeller Solution for Electric Aviation

Researchers at Chalmers University of Technology have developed a propeller design optimization method that paves the way for quiet, efficient electric aviation.

Training a Quadrotor Drone to Cope with Collisions

Advanced technology plays a vital role in search and rescue operations after natural disasters such as earthquakes. Thermal imaging equipment and sensitive listening devices are deployed to seek out signs of life.

Tapping the Brain to Boost Stroke Rehabilitation

A brain-machine interface coupled with robot offers increased benefits for stroke survivors.

Soft Skin Patch Could Provide Early Warning for Strokes, Heart Attacks

The patch uses ultrasound to monitor blood flow to organs.

An Ultrasound Patch for Non-Invasive Deep Tissue Monitoring

Engineers have developed a stretchable ultrasonic array capable of serial, non-invasive, three-dimensional imaging of tissues as deep as four centimeters below the surface of human skin, at a spatial resolution of 0.5 mm.

Surgical Sutures Inspired by Human Tendons

Next-generation sutures can deliver drugs, prevent infections, and monitor wounds.

New Programmable Smart Fabric Responds to Temperature, Electricity

A new smart material is activated by both heat and electricity, making it the first ever to respond to two different stimuli. The work paves the way for a wide variety of potential applications, including clothing that warms up while you walk.