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Defense

News : RF & Microwave Electronics
Army to Get New IED Detector Technology

Detecting improvised explosive devices in Afghanistan requires constant, intensive monitoring using rugged equipment. When Sandia researchers first demonstrated a modified miniature synthetic aperture radar (MiniSAR) system to do just that, some experts didn't believe it. But those early doubts are long...

News : Sensors/Data Acquisition
Researchers Build 'Invisible' Materials with Light

Metamaterials have a wide range of potential applications, including sensing and improving military stealth technology. Before cloaking devices can become reality on a larger scale, however, researchers must determine how to make the right materials at the nanoscale. Using light is now shown to...

News : Materials
Inspired by Nature, Researchers Build a Tougher Metal

Drawing inspiration from the structure of bones and bamboo, researchers have gradually changed the internal structure of metals to make stronger, tougher materials. The new metals can be customized for a wide variety of applications — from body armor to automobile parts.

The research...

News : Medical
New Technology Detects Bacterial Pathogens in Soldiers' Combat Wounds

A biological detection technology developed by Lawrence Livermore National Laboratory scientists can detect bacterial pathogens in the wounds of U.S. soldiers that have previously been missed by other technologies. This advance may, in time, allow an improvement in how...

News : Imaging
Synthetic Aperture Sonar Can Help Navy Hunt Sea Mines

Since World War II, sea mines have damaged or sunk four times more U.S. Navy ships than all other means of attack combined, according to a Navy report on mine warfare. New sonar research being performed by the Georgia Tech Research Institute (GTRI) could improve the Navy’s ability to find...

News : Defense
Computer Program Analyzes Intelligence Data

Every day U.S. military and security units receive vast amounts of data collected by intelligence, surveillance and reconnaissance (ISR) sensors. Human analysts constantly review this data, searching for possible threats. To aid this effort, researchers from the Georgia Tech Research Institute (GTRI)...

News : Defense
Researchers Develop Harder Ceramic for Armor Windows

The Department of Defense needs materials for armor windows that provide essential protection for personnel and equipment while still having a high degree of transparency. To meet that need, scientists at the U.S. Naval Research Laboratory (NRL) have developed a method to fabricate...

News : Defense
Insect-Inspired Technology Could Extend Situational Awareness

Soldiers' missions frequently lead them to locations where they must assess the status of structures, and where the presence of threats is not immediately known or easily detectable. These threats include everything from ambushes to chemical and biological threats that could be...

News : Aerospace
3D-Printing Aerial Robot Mimics Tiny Bird

Scientists from Imperial College London have developed a 3D-printing Micro Aerial Vehicle (MAV) that mimics the way that swiftlets build their nests.

The MAV is a quad-copter, with four blades that enable it to fly and hover. The vehicle, made from off-the-shelf components, carries in its underbelly...

News : Defense
Wind Tunnel Tests Support Improved Design of B61-12 Bomb

Sandia National Laboratories has finished testing a full-scale mock unit representing the aerodynamic characteristics of the B61-12 gravity bomb in a wind tunnel. The tests on the mock-up were done to establish the configuration that will deliver the necessary spin motion of the bomb...

News : Sensors/Data Acquisition
New Biosensor Will Guard Water Supplies From Toxic Threats

Supported by a $953,958 grant from the Defense Advanced Research Projects Agency (DARPA), researchers at the University of California San Diego will develop a sophisticated new biosensor that can protect the nation's water supplies from a wide range of toxins, including heavy metals and...

News : Sensors/Data Acquisition
Pocket-Sized Anthrax Detector Aids Global Agriculture

A credit-card-sized anthrax detection cartridge developed at Sandia National Laboratories and recently licensed to a small business makes testing safer, easier, faster and cheaper.

Bacillus anthracis, the bacteria that causes anthrax, is commonly found in soils all over the world and can...

News : Green Design & Manufacturing
Transient Electronics Dissolve When Triggered

An Iowa State research team led by Reza Montazami is developing "transient materials" and "transient electronics" that can quickly and completely melt away when a trigger is activated. The development could mean that one day you might be able to send out a signal to destroy a lost credit card.

To...

News : Electronics & Computers
Wireless Device Senses Chemical Vapors

A research team at the Georgia Tech Research Institute (GTRI) has developed a small electronic sensing device that can alert users wirelessly to the presence of chemical vapors in the atmosphere. The technology, which could be manufactured using familiar aerosol-jet printing techniques, is aimed at myriad...

News : Imaging
New Infrared Technique Remotely Detects Dangerous Materials

Brigham Young University professors have developed a technique that could spot from afar whether a site is being used to make nuclear weapons. The model precisely characterizes the material in each pixel of an image taken from a long-wave infrared camera. The U.S. National Nuclear...

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