Crystalline whispering gallery mode resonators (CWGMRs) made of crystals with axial symmetry have ordinary and extraordinary families of optical modes. These modes have substantially...

Briefs: Photonics/Optics
Spatial Modulation Improves Performance in CTIS

Suitably formulated spatial modulation of a scene imaged by a computed-tomography imaging spectrometer (CTIS) has been found to be useful as a means of improving the imaging performance of the CTIS. As used here, “spatial modulation” signifies the imposition of additional, artificial structure...

Podcasts
Interview with Dr. Woodrow Whitlow Jr., Director, John H. Glenn Research Center, Cleveland, OH

As Director of NASA’s John H. Glenn Research Center in Cleveland, Ohio, Dr. Woodrow Whitlow Jr. controls an annual budget of approximately $650 million and manages a labor force comprised of roughly 1,619 civil service employees who are supported...

Articles: Electronics & Computers
Deciphering the New SUMIT™ Specification

The new SUMIT specification is managed by the Small Form Factor Special Interest Group (SFF-SIG). SFF-SIG is a newly formed, non-profit industry group that develops, promotes, and supports small...

Articles: Electronics & Computers
Applying Cognitive Memory to Pattern Recognition

Whether you are involved in robotics or other domains, pattern recognition is essential to progress. A new device, called the CogniMem chip, offers a hardware solution to this problem....

Articles: Electronics & Computers
Direct Spray Liquid Cooling Systems

For decades military platforms have included electronics for avionics, vehicle controls, radios, radar, sonar and fire control. From a computational standpoint most of these systems could be accomplished...

Features: Photonics/Optics
Micromachining with Lasers

Laser micromachining involves using light to remove material. Lasers can also be used in many other applications such as welding, marking, additive manufacturing and surface alteration, but these fall outside the...

Application Briefs: Photonics/Optics
Measuring LED and Solid State Lighting Performance

Light emitting diodes (LEDs) and solid state lighting (SSL) products that incorporate LEDs pose many measurement challenges compared with other lighting elements, such as traditional...

View these and other new products on display by exhibitors at Photonics West, January 27-29, in San Jose, CA. Visit Photonics Tech Briefs at Booth 832.Visit http://spie.org/x23685.xml for more...

Blog
Blood-Detecting Yarn

A carbon nanotube-coated smart yarn that conducts electricity could be woven into soft fabrics that detect blood and monitor health, engineers at the University of Michigan have demonstrated. Currently, smart textiles are made primarily of metallic or optical fibers, which are fragile and uncomfortable; metal fibers also...

Blog
Top 5 INSIDER Stories of 2008

#5: Researchers at Fraunhofer-Gesellschaft in Germany are working on a thermoelectric generator that converts the heat from car exhaust fumes into electricity. The thermoelectric module feeds the energy into the car's electronic systems, reducing fuel consumption and carbon dioxide from vehicles. Click...

Application Briefs: Motion Control
Computational Fluid Dynamics Aids Aerospace Apps

Just a few years ago, the use of computational fluid dynamics (CFD) in most aerospace companies was restricted to pure research or troubleshooting problems with existing designs. But in the...

Blog
Vote for Product of the Year 2008

Each month, the editors of NASA Tech Briefs choose a Product of the Month - a new product with exceptional technical merit and practical value for the engineering community. Now is your chance to vote for the one product among those 12 Products of the Month that you feel was the most significant new product in...

Blog
Cancer Detector

A Stanford University-led research team has developed a prototype blood scanner that can find cancer markers in the bloodstream in early stages of the disease, potentially allowing for earlier treatment and dramatically improved chances of survival. Based on MagArray biodetection chips, the device uses magnetic nanotechnology to...

Blog
Top INSIDER Stories of 2008

As the year comes to a close, we highlight the ten INSIDER stories that have generated the highest number of click-throughs. These are the ten stories in which INSIDERs were most interested in 2008. Today's INSIDER highlights numbers 10 through 6. Thursday's INSIDER will highlight the top five stories of...

Blog
Icecube Telescope

Physicists, engineers, and technicians from the University of Delaware's Bartol Research Institute are part of an international team working to build the world's largest neutrino telescope in the Antarctic ice. Neutrinos have no electrical charge and can travel millions of miles through space. Dubbed "IceCube," the telescope...

Blog
Spirit of Innovation Awards

The Pete Conrad "Spirit of Innovation" Awards combine education, innovation, and entrepreneurship by challenging high school students to design products using science and technology. The competition is named after the late Pete Conrad, commander of Apollo 12 and the third man to walk on the Moon. After retiring from...

Blog
Advancing Fusion

Researchers at MIT's Alcator C-Mod fusion reactor are trying to make the promise of fusion as a future power source closer to reality. Physicist Yijun Lin and principal research scientist John Rice are demonstrating a method to use radio frequency waves to circulate hot plasma inside the reactor chamber, thus controlling heat...

Blog
Current Attractions

In March 2008, astronaut Garrett Reisman flew aboard the Space Shuttle Endeavour to the International Space Station, where he spent 95 days living and working in space before returning to Earth in June aboard the Space Shuttle Discovery. Reisman originally applied to become an astronaut when in grad school at CalTech, but did...

Blog
Bone Implant

A method to produce synthetic bone, using techniques to make vehicle catalytic converters, is being developed by researchers at the University of Warwick. The technique involves a state-of-the-art extrusion of the implant material through a mold, to produce a three-dimensional honeycomb texture with uniform pores. The material can...

Blog
Safe Sleeping

Parents buy millions of baby monitors each year in the U.S., but most transmit only sounds or video images of the baby - both useful, but only if a parent is listening or watching. University of Florida engineering researchers have built a prototype baby monitor that focuses on a baby's breathing. If the baby's chest stops moving,...

Blog
Computer Search Model

Researchers at the University of Portsmouth's Sports Science and Mathematics departments and the U.S. Coast Guard are developing a computer model to predict how long someone will survive when lost at sea, which will in turn determine when to stop a search-and-rescue operation. Called the Search and Rescue Survival Model,...

Blog
Energy-Producing Water Current

A University of Michigan engineer has made a machine that works like a fish to turn potentially destructive vibrations in fluid flows into clean, renewable power. Called VIVACE for Vortex Induced Vibrations for Aquatic Clean Energy, the hydrokinetic energy system relies on vortex-induced vibrations, undulations...

Blog
Bendable Electronics

Scientists at Northwestern University and the University of Illinois at Urbana Campaign have developed a method to fabricate stretchable electronics that enables the user to subject circuits to extreme twisting. This technology promises flexible sensors, transmitters, photovoltaic and microfluidic devices, and other...

Blog
Supercomputing

Five years ago, Virginia Tech burst onto the high-performance computing scene using Apple Power Mac G5 computers to build System X, one of the fastest supercomputers of its time. Recently, Kirk Cameron and Srinidhi Varadarajan, two professors of computer science in Virginia Tech's College of Engineering, architected a new...

Briefs: Sensors/Data Acquisition
Crew Activity Analyzer

The crew activity analyzer (CAA) is a system of electronic hardware and software for automatically identifying patterns of group activity among crew members working together in an office, cockpit, workshop, laboratory,...

Briefs: Software
Distributing Data to Hand-Held Devices in a Wireless Network

ADROIT is a developmental computer program for real-time distribution of complex data streams for display on Web-enabled, portable terminals held by members of an operational team of a spacecraft-command- and-control center who may be located away from the center. Examples of such...

A method of incorporating information, acquired by a multibeam laser or radar altimeter system, pertaining to the distance and direction between the system and a nearby target...

Briefs: Information Technology
MODIS Atmospheric Data Handler

A number of science data sets are derived from the observations of the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument onboard NASA’s Terra and Aqua satellites. These data typically contain information on retrieval techniques, quality-control flags, and geo-referencing information. These...

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