Tech Briefs

Modified VR Tech to Measure Brain Activity

A research team created a noninvasive electroencephalogram (EEG) sensor that was installed in a Meta VR headset that can be worn comfortably for long periods. The EEG measures the brain’s electrical activity during the immersive VR interactions. Read on to learn more.

Smart Glove Can Boost Hand Mobility of Stroke Patients

A new groundbreaking “smart glove” is capable of tracking the hand and finger movements of stroke victims during rehabilitation exercises. The glove incorporates a sophisticated network of highly sensitive sensor yarns and pressure sensors that are woven into a comfortable stretchy fabric. Read on to learn more about the smart glove.

Unlocking the Next Generation of Wireless Communications

With a goal to revolutionize cellular communications, Penn engineers have developed an adjustable filter that can successfully prevent interference, even in higher-frequency bands of the electromagnetic spectrum. Read on to learn more about the matter.

3D Processors May Revolutionize Wireless Communication

Scientists have pioneered a method for using semiconductor technology to manufacture processors that significantly enhance the efficiency of transmitting vast amounts of data across the globe. The innovation is poised to transform the landscape of wireless communication. Read on to learn more.

New Transistor Could Shrink Communications Devices on Smartphones

After announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a University of Michigan team has demonstrated a reconfigurable transistor using that material. Read on to learn more.

RTV Silicone Sealing Method for Component Interfaces

The RTV sealing method may benefit terrestrial applications that may demand cure-in-place internal seals. The method could also innovate manufacturing processes for components by enhancing the speed of assembly while increasing seal integrity. Read on to learn more.

3D Printing with an Unknown Material

This research could help to reduce the environmental impact of additive manufacturing, which typically relies on nonrecyclable polymers and resins derived from fossil fuels. Read on to learn more.

3D-Printing Flexible Devices without Mechanical Joints

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.

New Chip May Lead to AI Computing at Light Speed

Penn Engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing speed of computers while also reducing their energy consumption. Read on to learn more.

Unique Amplifier Could Change Optical Communication

Researchers at Chalmers University of Technology have developed an optical amplifier that they expect will revolutionize both space and fiber communication.

A Method to Accurately Center Quantum Dots Within Photonic Chips

Researchers have developed standards and calibrations for optical microscopes that allow quantum dots to be aligned with the center of a photonic component to within an error of 10 to 20 nanometers (about one-thousandth the thickness of a sheet of paper). Such alignment is critical for chip-scale devices that employ the radiation emitted by quantum dots to store and transmit quantum information. Read on to learn more.

New Membrane Mirrors for Large Space-Based Telescopes

Researchers have developed a new way to produce and shape large, high-quality mirrors that are much thinner than conventional space-telescope mirrors. The final product is even flexible enough to be rolled up and stored compactly inside a launch vehicle. Read on to learn more.

A Telerobotic System to Revolutionize Hazardous Nuclear Waste Clean-Up

Because they can go where humans can’t, robots are especially suited for safely working with hazardous nuclear waste. Now, scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory have designed and tested a remote-controlled, dual-arm telerobotics system with human-like capabilities that has the potential to revolutionize hazardous waste clean-up and holds potential for broader applications.

Using AI to Streamline Robotic Warehouse Operations

Getting 800 robots in a warehouse to and from their destinations efficiently while keeping them from crashing into each other is no easy task. So, a group of MIT researchers who use AI to mitigate traffic congestion applied ideas from that domain to tackle this problem. Read on to learn what they built.

An Autonomous Drone Based on Animal Brains

A team of researchers at Delft University of Technology has developed a drone that flies autonomously using neuromorphic image processing and control based on the workings of animal brains.

A Solution for Energy Transfer to Heart Pumps

A team has developed a new cable system for heart pumps that doesn’t cause infections. This is particularly important given that wireless methods of transmitting power remain unavailable to patients in the foreseeable future.

AI-Based Test for Parkinson’s Disease Severity Shows Promising Results

An artificial intelligence (AI) tool developed by researchers at the University of Rochester can help people with Parkinson’s disease remotely assess the severity of their symptoms within minutes. A study in npj Digital Medicine describes the new tool, which has users tap their fingers 10 times in front of a webcam to assess motor performance on a scale of 0-4.

Portable Knee Dynamometer

Researchers at NASA Johnson Space Center have developed the Portable Knee Dynamometer, a device that enables quadricep and hamstring strength assessment, rehabilitation, and exercise capabilities for a user outside of a traditional clinical setting.

How Tough Is Your Material? 3D Images Will Tell You

John Kolinski and his team at the Laboratory of Engineering Mechanics of Soft Interfaces aim to understand how cracks propagate in brittle solids, which is essential for developing and testing safe and cost-effective composite materials for use in construction, sports, and aerospace engineering.

Self-Cleaning Coatings for Space or Earth

Electrodynamic dust shields (EDSs) are a key method to actively clean surfaces by running high voltages (but low currents) through electrodes on the surface. The forces generated by the voltage efficiently remove built-up, electrically charged dust particles. Innovators have developed a new transparent EDS for removing dust from space and lunar solar cells among other transparent surfaces.

VaCNT Makes Up a Promising Membrane Material

Researchers of Karlsruhe Institute of Technology and partners carried out steroid hormone adsorption experiments to study the interplay of forces in the small pores. They found that vertically aligned carbon nanotubes (VaCNT) of specific pore geometry and pore surface structure are suited for use as highly selective membranes.

Oxygen-Free Chemical Vapor Deposition Method to Make Graphene

Engineers are poised to clean things up with an oxygen-free chemical vapor deposition (OF-CVD) method that can create high-quality graphene samples at scale. Their work directly demonstrates how trace oxygen affects the growth rate of graphene and identifies the link between oxygen and graphene quality for the first time.

New Methods in Preparing and Purifying Nanomaterials

Innovators at NASA’s Glenn Research Center have made several breakthroughs in treating hexagonal boron nitride (hBN) nanomaterials, improving their properties to supplant carbon nanotubes in many applications.

Computer Vision Lends Precision to Robotic Grappling

Innovators at NASA’s Johnson Space Center (JSC) have developed computer vision software that derives target posture determinations quickly and then instructs an operator how to properly align a robotic end-effector with a target that they are trying to grapple.

Unique Datapath Architecture Yields Real-Time Computing

Innovators at NASA Johnson Space Center have developed and successfully flight tested a high-performance computing platform, known as the Descent and Landing Computer (DLC), to suit the demands of safe, autonomous, extraterrestrial spacecraft landings for robotic and human exploration missions.

AI Advances Heart Research

A promising way to study disease and test new drugs is to use cellular and engineered tissue models in a dish, but existing methods to study heart cell contraction and calcium handling require a good deal of manual work, are prone to errors, and need expensive specialized equipment. Researchers at Columbia Engineering unveiled a groundbreaking new tool today that addresses these challenges head-on: BeatProfiler.

Harnessing Wind and Solar Power Via Neural Networks

The team hopes this project can better position renewable energy as the primary source of electricity in the industry sector. The project aims to enable researchers and renewable energy installation companies to determine the optimal number of solar panels and wind turbines needed to prevent over or under production.

Wastewater Treatment and Remediation

This technology could be incorporated into water treatment systems at various stages including water treatment, effluent polishing, resource reclamation, resource recycling, gray water treatment, etc.

Pulling Carbon Dioxide Out of the Air

The team plans to integrate such CO2-capturing materials with its earlier porous sponge platform, which has been developed to remove environmental toxins including oil, phosphates, and microplastics.