Tech Briefs

Utilizing Acoustic Signals for Autonomous Swarm Formation in Micro-Robots

Animals like bats, whales, and insects have long used acoustic signals for communication and navigation. Now, an international team of scientists have taken a page from nature’s playbook to model micro-sized robots that use sound waves to coordinate into large swarms that exhibit intelligent-like behavior. Read on to learn more.

Flexible Conductive Skin Gives Robots the Human Touch

A team of engineers has developed a low-cost, durable, highly-sensitive robotic ‘skin’ that can be added to robotic hands like a glove, enabling robots to detect information about their surroundings in a way that’s similar to humans. Read on to learn more.

AI-Powered Training Method to Train Robots

A new AI training protocol teaches robots how to perform complicated tasks, like assembling a motherboard or an IKEA drawer, with a 100 percent success rate. Read on to learn more about it.

Monitoring and Control of Each Nanosatellite within a Cluster of Nanosatellites

NASA has developed an innovative combination of a Magnetometer, low-powered ElectroMagnets, and Resonant Inductive Coupling (MEMRIC) to create and control relative positioning of nano satellites within a cluster. This is a game-changing approach to enable distributed nanosatellite (nanosat) clusters. Read on to learn more.

New App Performs Real-Time, Full-Body Motion Capture With a Mobile Device

Northwestern engineers have developed a new system for full-body motion capture — and it doesn’t require specialized rooms, expensive equipment, bulky cameras, or an array of sensors. Instead, it requires a simple mobile device. Read on to learn more.

Drones Can Detect Fires and Monitor Greenhouse Gas Emissions

Forest fire prevention and control agencies in São Carlos, in the interior of the state of São Paulo, Brazil, will soon have help from the sky to detect fires more quickly and combat them before they grow out of control, as researchers at the University of São Paulo are developing drones equipped with gas sensors and artificial intelligence systems to detect forest fires.

FAU Engineers Design New Autonomous System to Monitor Arctic Ice Melt

Researchers from the College of Engineering and Computer Science at Florida Atlantic University have proposed a design for an alternative, autonomous observational method, which holds promise for improving the autonomy of marine vehicles, aiding in maritime missions, and gaining a deeper understanding of how melting Arctic sea ice affects marine ecosystems. Read on to learn more.

Better Images for Humans and Computers

Maksym Kovalenko and his team have proposed a novel solution that allows them to utilize every photon of light for color recognition. For nearly a decade, they have been researching perovskite-based image sensors. In a new study published in Nature, they show that their new technology works. Read on to learn more.

Low-Power Hydrogen Sensor Detects Leaks in an Instant

KAUST researchers have invented a robust, highly sensitive, low-cost hydrogen sensor that outperforms available commercial detectors, offering a vital safeguard for the burgeoning hydrogen economy. Read on to learn more.

Meet SMSPDs: Superconducting Microwire Single-Photon Detectors

Plans are underway to create more powerful particle accelerators, whose collisions will unleash large subatomic storms. How will researchers sift through the chaos? Read on to find out.

AI Boosts Super-Resolution Microscopy

Researchers have provided a new open-source algorithm called Conditional Variational Diffusion Model (CVDM). Based on generative AI, this model improves the quality of images by reconstructing them from randomness. In addition, the CVDM is computationally less expensive than established diffusion models — and it can be easily adapted for a variety of applications. Read on to learn more.

Novel Flexible Terahertz Camera Can Inspect Objects with Diverse Shapes

A team of researchers from Tokyo Tech, led by Associate Professor Yukio Kawano, has designed a flexible and free-standing THz sensor array that can be used to image blind ends of irregularly shaped objects. Read on to learn more about it.

Ultra-Thin Cooling Solution for Mobile Devices Unlocks Slimmer, High-Performance Technology

Scientists from Nagoya University in Japan have developed an innovative cooling device — an ultra-thin loop heat pipe — that significantly improves heat control for electronic components in smartphones and tablets. Read on to learn more.

Finding the Length ‘Sweet Spot’ for Yarn-Shaped Supercapacitors

Researchers at North Carolina State University have now identified a “sweet spot” at which the length of a threadlike energy storage technology called a “yarn-shaped supercapacitor” yields the highest and most efficient flow of energy per unit length. Read on to learn more.

DC-DC Converter Unifies Power Switches on a Single Chip

University of California San Diego and CEA-Leti scientists have developed a ground-breaking piezoelectric-based DC-DC converter that unifies all power switches onto a single chip to increase power density. Read on to learn more about this new power topology, which extends beyond existing topologies and blends the advantages of piezoelectric converters with capacitive-based DC-DC converters.

Fiber Optic Sensing Technologies

Known as FOSS (for fiber optic sensing system), NASA’s technology portfolio combines advanced sensors and innovative algorithms into a robust package that accurately and cost-effectively monitors a host of critical parameters in real time. Read on to learn more.

Nanoparticles-Based Wearable Biosensors

A team of Caltech engineers has developed a technique for inkjet printing arrays of special nanoparticles that enables the mass production of long-lasting wearable sweat sensors. These sensors could be used to monitor a variety of biomarkers, such as vitamins, hormones, metabolites, and medications, in real time. Read on to learn more.

A Smart Sensor Patch to Detect Health Symptoms

A research team from Japan has fabricated a flexible multimodal wearable sensor patch and developed edge computing software that is capable of detecting arrhythmia, coughs, and falls in volunteers. Read on to learn more about the sensor, which uses a smartphone as the edge computing device.

Low-Cost Technology for Detecting, Measuring Lead Concentrations in Water

Engineers at MIT, Nanyang Technological University, and several companies have developed a compact and inexpensive technology for detecting and measuring lead concentrations in water, potentially enabling a significant advance in tackling this persistent global health issue. Read on to learn more.

How a Startup Is Reducing Carbon from Building Operations with Drones

Buildings are big energy consumers, emitting wasteful carbon, contributing to a warming planet, and accounting for more than 40 percent of the world’s carbon dioxide emissions. Fortunately, a new startup is paving the way for dramatic reductions in carbon from building operations. Lamarr. AI has perfected the process of using drones, thermal imaging, and artificial intelligence (AI) to diagnose the health of building exteriors and roofs. Read on to learn more.

Passive Nutrient Delivery System (PONDS)

Reliable seed germination and plant production requires an environment that is neither too dry nor too wet. PONDS was developed to improve water and nutrient delivery for plants grown on the International Space Station (ISS). Read on to learn more about it.

Noninvasive Imaging Method Can Penetrate Deeper Into Living Tissue

Metabolic imaging is a noninvasive method that enables clinicians and scientists to study living cells using laser light, which can help them assess disease progression and treatment responses. But light scatters when it shines into biological tissue, limiting how deeply it can penetrate and hampering the resolution of captured images. Now, MIT researchers have developed a new technique that more than doubles the usual depth limit of metabolic imaging. Read on to learn more.

A Technological Breakthrough for Ultra-Fast and Greener AI

AI systems like ChatGPT are notorious for being power-hungry. To tackle this challenge, a team from the Centre for Optics, Photonics and Lasers has come up with an optical chip that can transfer massive amounts of data at ultra-high speed. As thin as a strand of hair, this technology offers unrivaled energy efficiency. Read on to learn more.

Chiral Photonic Device Combines Light Manipulation with Memory

As fast as modern electronics have become, they could be much faster if their operations were based on light, rather than electricity. Fiber optic cables already transport information at the speed of light, but to do computations on that information without translating it back to electric signals will require a host of new optical components. Researchers have now developed such a device. Read on to learn more.

Sensitive Yet Tough Photonic Devices Are Now a Reality

Engineers at the University of California San Diego have achieved a long-sought milestone in photonics: creating tiny optical devices that are both highly sensitive and durable — two qualities that have long been considered fundamentally incompatible. Read on to learn more.

Tunable Laser Light

Researchers have invented a new type of tunable semiconductor laser that combines the best attributes of today’s most advanced laser products, demonstrating smooth, reliable, wide-range wavelength tuning in a simple, chip-sized design. Read on to learn more about it.

A One-Piece Liquid Rocket Thrust Chamber Assembly

NASA researchers are eliminating complex joints by manufacturing a 1-piece TCA utilizing 3D printing and large-scale additive manufacturing technologies to directly deposit the nozzle onto the combustion chamber. And, by replacing a traditional solid metal jacket with a composite overwrap for support, the overall weight is reduced by over 40 percent. Read on to learn more.

Diversifying the Supply Chain for Producing Large-Scale Metal Parts

Researchers at the Department of Energy’s Oak Ridge National Laboratory are using advanced manufacturing techniques to revitalize the domestic production of very large metal parts that weigh at least 10,000 pounds each and are necessary for a variety of industries, including clean energy. Read on to learn more.

3D Printing Self-Heating Microfluidic Devices

MIT researchers have used 3D printing to produce self-heating microfluidic devices, demonstrating a technique which could someday be used to rapidly create cheap, yet accurate, tools to detect a host of diseases. Read on to learn more.