Tech Briefs

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.

How to Detect Battery Failures Quicker

Batteries in electric vehicles can fail quickly, sometimes catching fire without much warning. Sandia National Laboratories is working to detect these failures early and provide sufficient warning time to vehicle occupants. Read on to learn more about it.

Nail Penetration Adapter for Li-Ion Battery Testing

Innovators at NASA Johnson Space Center have designed a pneumatic nail penetration trigger system that drives a Li-ion battery cell into thermal runaway using a tungsten nail. Read on to learn more.

A Step Toward More Accurate 3D Object Detection

Scientists have developed multi-modal 3D object detection methods that combine 3D LiDAR data with 2D RGB images taken by standard cameras. While the fusion of 2D images and 3D LiDAR data leads to more accurate 3D detection results, it still faces its own set of challenges, with accurate detection of small objects remaining difficult. Read on to learn more about it.

Single-Shot Polarization Imaging System Provides Complete Picture

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences have developed a compact, single-shot polarization imaging system that can provide a complete picture of polarization. Read on to learn more about it.

Bio-Inspired Cameras and AI Detect Obstacles Faster

Daniel Gehrig and Davide Scaramuzza from the Department of Informatics at the University of Zurich have combined a novel bio-inspired camera with AI to develop a system that can detect obstacles around a car much quicker than current systems and using less computational power. Read on to learn more about the study, which is published in Nature.

An Innovative Sensing Platform for Ultrahigh Sensitivity in Conventional Sensors

New research unlocks the power of exceptional points (EPs) for advanced optical sensing. In a study published in Science Advances , a team showed that these unique EPs — specific conditions in systems where extraordinary optical phenomena can occur — can be deployed on conventional sensors to achieve a striking sensitivity to environmental perturbations. Read on to learn more.

Sensors for ‘Smart’ Wound Bandage Track Healing, Immune Response

Researchers from Skoltech and the University of Texas at Austin have presented a proof-of-concept for a wearable sensor that can track healing in sores, ulcers, and other kinds of chronic skin wounds, even without the need to remove the bandages. Read on to learn more.

Fabricating Ultrastrong Aluminum Alloys for Additive Manufacturing

Purdue University material engineers have created a patent-pending process to develop ultrahigh-strength aluminum alloys that are suitable for additive manufacturing because of their plastic deformability. Read on to learn more.

Flexible Lightweight Radiation Shielding

An innovator at NASA Langley Research Center has developed a novel method for making thin, lightweight radiation shielding that can be sprayed or melted onto common textiles used in clothing such as cotton, nylon, polyester, Nomex, and Kevlar. Read on to learn more about it.

New High-Speed Microscale 3D-Printing Technique

Researchers at Stanford University have introduced a more efficient processing technique that can print up to 1 million highly detailed and customizable microscale particles a day. Read on to learn more about it.

“Living Bioelectronics” That Can Sense and Heal Skin

A team has created a prototype for what it calls “living bioelectronics” — a combination of living cells, gel, and electronics that can integrate with living tissue. The patches are made of sensors, bacterial cells, and a gel made from starch and gelatin. Tests in mice found that the devices could continuously monitor and improve psoriasis-like symptoms, without irritating skin. Read on to learn more.

Engineering Carbon-Based Semiconductors for Next-Gen Electronics

A Duke University team's approach takes a metallic nanotube, which always lets current through, and transforms it into a semiconducting form that can be switched on and off. Read on to learn more.

Brain-Inspired Wireless System Gathers Data from Salt-Sized Sensors

The Brown University research team created a novel approach for a wireless communication network that can efficiently transmit, receive, and decode data from thousands of microelectronic chips that are each no larger than a grain of salt. Read on to learn more about it.

A Color-Based Sensor Emulates Skin’s Sensitivity

Jamie Paik and colleagues in the Reconfigurable Robotics Lab in EPFL’s School of Engineering have developed a sensor that can perceive combinations of bending, stretching, compression, and temperature changes, all using a robust system that boils down to a simple concept: color. Read on to learn more about it.

RFID Range Extension and Priority Data Forwarding

Innovators at NASA Johnson Space Center have developed an adaptable RFID system that optimizes transmission for priority data as targets move in and out of passive coverage areas. The method extends the range, and reduces data latency, of ultra-low power battery-assisted passive RFID sensor tags. Read on to learn more.

Insect Cyborgs: Toward Precision Movement

In a recent study published in the journal eLife, an international research group has studied the relationship between electrical stimulation in stick insects’ leg muscles and the resultant torque (the twisting force that makes the leg move). Read on to learn what they found.

When Mushrooms Control Robots

In creating a pair of new robots, Cornell researchers cultivated an unlikely component: fungal mycelia. By harnessing mycelia’s innate electrical signals, the researchers discovered a new way of controlling “biohybrid” robots that can potentially react to their environment better than their purely synthetic counterparts. Read on to learn more.

An AI Solution for Steering Adaptive Control Systems

A new study led by Flinders University and French researchers has used a novel bio-inspired computing artificial intelligence solution to improve the potential of UUVs and other adaptive control systems to operate more reliability in rough seas and other unpredictable conditions. Read on to learn more.

Critical Minerals Recovery from Electronic Waste

A PNNL research team used a simple mixed-salt water-based solution and their knowledge of metal properties to separate valuable minerals in continuously flowing reaction chambers. Read on to learn more.

Reducing Electronic Waste with Biodegradable and Recyclable Luminescent Polymers

Researchers have developed a strategy to design luminescent polymers with high light-emitting efficiencies from the start that are both biodegradable and recyclable. Read on to learn more.

Closed Ecological System Network Data Collection, Analysis, Control, and Optimization System

NASA Ames Research Center presents a novel, patent-pending adjustable-autonomous intelligent systems approach for developing sustainable, small-scale reproductions of subsets of the Earths biosphere that can be distributed both on and beyond Earth, for improving the quality of life for all life, expanding the diversity of life, studying and protecting life, as well as enabling life to permanently extend beyond Earth. Read on to learn more.

Pervasive Biocybernetic Adaptation

The technology has the potential for many applications including enhancing pilot training for peak performance and alertness, developing software, training programs, and services for well-being and healthcare, as well as revolutionize the gaming industry by creating interactive video games. Read on to learn more.

A New Approach to Autonomous Vehicle Safety

A team has programmed a robotic spacecraft simulator with what it calls s-FEAST: Safe Fault Estimation via Active Sensing Tree Search. Read on to learn more.

Nanostitches for Lighter, Tougher Composite Materials

MIT engineers have shown they can prevent cracks from spreading between composite’s layers, using an approach they developed called “nanostitching,” in which they deposit chemically grown microscopic forests of carbon nanotubes between composite layers. Read on to learn more about it.

A New Way to Stretch Diamond for Better Quantum Bits

A future quantum network may become less of a stretch thanks to researchers at the Argonne National Laboratory, the University of Chicago, and Cambridge University. By “stretching” thin films of diamond, they created quantum bits that can operate with significantly reduced equipment and expense. Read on to learn more.

Creating Materials with Stiffness, Thermal Insulation

Researchers have demonstrated the ability to engineer materials that are both stiff and capable of insulating against heat. This combination of properties is extremely unusual and holds promise for a range of applications, such as the development of new thermal insulation coatings for electronic devices. Read on to learn more.

New Glass is More Damage Resistant, Greener

Worldwide, glass manufacturing produces at least 86 million tons of carbon dioxide every year. A new type of glass aims to cut this carbon footprint in half. Read on to learn more about the invention: LionGlass, engineered at Penn State.