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Demystifying the A2/AD Buzz

Anti-access and area denial — best known by its shorthand A2/AD — has crossed the buzzword threshold. It’s a quite impressive feat for such a distinctively non-user friendly and technical concept, which alludes to that family of military capabilities used to prevent or constrain the deployment of opposing forces into a given theater of operations

New Amplifier Could Double the Capacity of Fiber-Optic Cables

By designing a new fiber optic cable that suppresses lasing at the traditional 1,064 nm and 920 nm wavelengths, Lawrence Livermore National Laboratory researchers discovered they could achieve significant positive optical gain in the 1,390 nm to 1,460 nm region. Additionally, the new fiber generated laser power and optical gain with relatively good efficiency. This

NASA Spacecraft to Test ”Green” Propellant Passes Major Preflight Milestone

Like all rocket engines, the small thrusters that a spacecraft or satellite fires to maintain or change positions need fuel. Currently, many use hydrazine — a toxic and corrosive fuel that requires special handling and equipment. NASA”s Green Propellant Infusion Mission (GPIM) recently took another major step toward demonstrating the capabilities of a new propellant

Two-Stage Power Management System Boosts Energy-Harvesting Efficiency

A two-stage power management and storage system could dramatically improve the efficiency of triboelectric generators that harvest energy from irregular human motion such as walking, running or finger tapping. The system uses a small capacitor to capture alternating current generated by the biomechanical activity. When the first capacitor fills, a power management circuit then feeds

Revived Cold War Tech for Long Duration Flights Could Solve Earth”s Energy Crisis

Humanity is in a serious pinch for energy. The world population may balloon to 9 billion people by 2040, up from 7.36 billion in 2016, and researchers believe this will translate to a 48{f852dafd27cac84fdac768484a17b914ab8ab8a105c7cd3f00f3e5984b2da150} jump in energy consumption. Fossil fuels could slake the world”s thirst for energy, but burning more would exacerbate climate change and

Army Research Lab Launches Center for Adaptive Soldier Technologies

ABERDEEN PROVING GROUND, Md. (Nov. 30, 2016) — The Center for Adaptive Soldier Technologies, or CAST, with a technical focus on human-centric approaches to adapting technologies to Soldiers, launched its new website that is available to all interested researchers. The U.S. Army Research Laboratory announced the virtual center at its recent Open Campus Open House

Experiment Could Change the Way Marines Deploy

TWENTYNINE PALMS, Calif. — The future Marine Corps fighting force is taking shape in the desert this summer with the start of an 18-month experiment that could transform the basic infantry unit into a deadlier revolutionized team. The Marine Corps must be prepared to counter and defeat a range of adversaries in high-tech environments, leaders

Northern Ohio Institutions Become Laboratories for Future Energy Usage

Case Western Reserve University, NASA Glenn Research Center and the University of Toledo will serve as “living laboratories” that demonstrate the value of integrating distributed energy sources with the assortment of devices, equipment and other power consumers within buildings and across the grid. The effort begins this month with a one-year award administered by Pacific

Paintable Liquid Thermoelectric Material for Harvesting Electric Energy from Waste Heat

A new study, led by Professor Jae Sung Son of Materials Science and Engineering at UNIST has succeeded in developing a new technique that can be used to turn industrial waste heat into electricity for vehicles and other applications. In their study, the team presented a new type of high-performance thermoelectric (TE) materials that possess

DOD 2016 Year in Review Special Report

This report highlights the Defense Department”s top 10 issues in 2016. During the year, DoD continued to counter terrorism and proceed with missions in the Asia-Pacific region, Europe and Afghanistan. Defense Secretary Ash Carter expanded efforts to build the Force of the Future while seeking new technologies, promoting the well-being of troops and pushing for

Directly Converting Heat to Electricity Using Compact, Microfabricated Thermionic Devices

Jared Schwede and Daniel Riley completed their Ph.D.s in the department of physics at Stanford University. At Stanford, they were part of a world-leading research group on thermionic energy converters, focusing on a breakthrough solar conversion process based on photon-enhanced thermionic energy conversion, which harvests both photon and heat energy from the sun”s spectrum. Dan

Multi-Domain Battle: A ‘Highly Lethal’ War of ‘Fleeting’ Advantages

The US Army isn’t counting on airpower in the next war. Without that cover, there won’t be supply drops, recon drones or medevac helicopters picking up your casualties — and you will have casualties. “Land-based forces now are going to have to penetrate denied areas to facilitate air and naval forces. This is the exact