Physical Sciences
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Briefs Photonics/Optics
Atomic Fountain for Research in Quantum Sensing Nears Completion of First Phase
Dr. Frank Narducci, Chair of the NPS Department of Physics, and his Ph.D. student U.S. Navy Cmdr. Jens Berdahl, are nearing completion of the first phase of construction in what will be a superlatively precise atomic-based instrument. Read on to learn more about it.

Articles Physical Sciences
Making a Material Difference in Aerospace & Defense Electronics
Laminate materials are indispensable in the manufacture of boards and flexible circuitry for aerospace and defense electronics. Their unique properties address stringent demands, ensuring systems perform reliably under extreme conditions. Read on to learn more.

Briefs Materials
Scientists Fuse Simulations and Machine Learning to Accelerate Novel Additively Manufactured Materials
Researchers at the Johns Hopkins Applied Physics Laboratory have demonstrated a novel approach for applying machine learning to predict microstructures produced by a widely used additive manufacturing technique. Read on to learn more.

Articles Energy
Examining EV Battery Thermal Management
In this article, we'll discuss how modeling and simulation can be used to facilitate the design of thermal management systems for EV batteries – from the cell scale up. Read on to learn more.

Articles Defense
A New Look at Ignition: Refining Our Understanding of Combustion Dynamics in Gun Chambers
Every time a soldier pulls the trigger on a 7.62 rifle or pulls the wire of a 155 Howitzer, a complex chain reaction ensues over the next millisecond that we refer to as the ignition event. Read on to gain a new look at ignition.

Briefs Energy
Cheaper and Safer Battery Storage
Researchers have developed a new technique to solve the problem of how to increase the capacity of sodium-ion batteries. Read on to learn more about it.

Articles Photonics/Optics
This Laser Clock Could Transform Satellite Navigation Accuracy
A new laser clock from the German Aerospace Center has achieved a record level of accuracy for optical clocks with gas cells: in 30 million years, it would be off by just one second. Read on to learn more about it and what it could mean for satellite navigation accuracy.

Articles Physical Sciences
Developing Safer Batteries with Solid-State Polymer Electrolytes
A 100 percent solid-state, high-performance polymer electrolyte addresses issues with liquid electrolytes for safer battery cell designs. Read this article to learn more.

Articles Manufacturing & Prototyping
Beyond Boundaries: Elevating Aerospace Design with Fluorosilicones
The introduction of fluorosilicones helped solve the immediate issues faced by the aerospace sector, but also set a new standard for material performance in challenging operational environments. Consequently, these types of silicones have become a critical component in the design and manufacturing of aircraft. Read on to learn more.

Briefs Power
Enhancing the Performance of All-Solid-State Batteries
A research team from Pohang University has successfully enhanced the performance and durability of all-solid-state batteries. This breakthrough was made possible through the implementation of a novel approach known as bottom electrodeposition. Read on to learn more.

Briefs Physical Sciences
Designing Safer, Higher-Performance Lithium Batteries
Examining lithium metal batteries using nuclear magnetic resonance spectroscopy may help in the design of new electrolytes and anode surfaces for high-performance batteries. Read on to learn more.

Briefs Energy
Sodium Battery Is Capable of Rapid Charging in Just a Few Seconds
A research team has developed a high-energy, high-power hybrid sodium-ion battery capable of rapid charging. The innovative hybrid energy storage system integrates anode materials typically used in batteries with cathodes suitable for supercapacitors. Read on to learn more.

Briefs Energy
Next-Generation Binder for Lithium-ion Batteries
In a recent study published in the journal ACS Applied Energy Materials, researchers have utilized poly(vinylphosphonic acid) (PVPA) as a binder for a micro-SiO electrodes, achieving superior performance compared to conventional cells. Read on to learn more.

Briefs Energy
Recyclable ‘Water Batteries’ That Won’t Catch Fire
A global team of researchers and industry collaborators led by RMIT University has invented recyclable ’water batteries’ that won’t catch fire or explode. Read on to learn more.

Articles Materials
Expanding Possibilities for Superconducting Qubits With Niobium
A group led by Stanford University’s David Schuster has demonstrated a way to create niobium-based qubits that rival their state-of-the-art counterparts.

INSIDER Manned Systems
NASA Seeks Space Technologies for Suborbital and Orbital Flight Tests
NASA’s 2023 TechFlights solicitation is now open! Through TechFlights, researchers from U.S.-based industry, academia, and private research institutions can test...

Briefs Test & Measurement
Circuit Models for Robust, Adaptive Neural Control
This project seeks to reproduce the neural circuits used by the nematode Caenorhabditis elegans for locomotion. Caenorhabditis elegans is a small (~1.2 millimeter) nematode found in rotting...

Briefs Aerospace
Space Debris Orbit and Attitude Prediction for Enhanced and Efficient Space Situational Awareness
This research deals with the problem of modelling the orbit and attitude motion of uncontrolled manmade objects in orbit about the Earth, which...

INSIDER Green Design & Manufacturing
New Grasses Neutralize Toxic Pollution From Bombs and Munitions
On military live fire training ranges, troops practice firing artillery shells, drop bombs on old tanks or derelict buildings and test the capacity of new weapons. But those...

Briefs Aerospace
Detecting Trace Levels of Explosives Using Vibrational Sum Frequency Spectroscopy
The threat of improvised explosive devices (IEDs) to human life is grave, and countering this threat is a high priority for force protection during military...

Briefs Test & Measurement
Next-Generation Spectrometers for Rapid Analysis of Complex Mixtures
Molecules have internal motions that are characteristic of their structure and identity. These motions can be studied by spectroscopy in different regions of the...

Briefs Defense
Analysis of an In-Ear Dosimeter for a Single Hearing Protection Device
US national and many international hearing conservation programs (HCPs) have adopted a noise exposure criterion of 85 dBA for a time-weighted average of 8 hours, with a 3 dB...

Briefs Physical Sciences
Automatic-Alignment Fiber Optic Coupling System for Optimal Signal Transmission
Using the current method of characterizing waveguides manufactured for research in optical communications, it can take up to 8 hours to characterize the waveguides...

Briefs Physical Sciences
Detecting Maritime Radiological/Nuclear Threats with Hybrid Imaging
The SuperMISTI detection system is a hybrid detection, identification, and imaging system for sources of gamma-ray radiation at stand-off distances. The system is based on the...

Briefs Physical Sciences
Testing Particle Counters for Detection of Fuel Contamination
Fuel quality assurance is accomplished by conducting periodic fuel sampling for the condition monitoring of aviation fuel by detecting, measuring, and reporting the levels of...

Briefs Physical Sciences
Simultaneous Vibration Suppression and Energy Harvesting
The goal of this work was to investigate the concept of using harvested energy to directly control the vibration response of flexible aerospace systems. Small, lightweight, flexible micro...

Briefs Physical Sciences
Cascading Failures in Coupled Distributed Power Grids and Communication Networks
Emerging distributed power grid systems will integrate tightly coupled networks, namely a power grid and a communication network, to provide distributed power monitoring and control. While distributing power monitoring and control away from a central site enhances the...
Briefs Imaging
Confocal Imaging System for Ultra-Fast, Three-Dimensional Transport Studies in Thermal Management Applications
The objective of this work was to develop a high-speed, three-dimensional (3D) confocal imaging system to study coupled fluidic and...

Briefs Physical Sciences
Evaluating a Data Clustering Approach for Lifecycle Facility Control
Given the current emphasis on sustainability, there is a growing interest in monitoring various facets of building resource consumption. Building monitoring and automation...

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