There are eight herpes viruses that infect humans, causing a wide range of diseases resulting in considerable morbidity and associated costs. Varicella zoster virus (VZV) is a human herpes virus that causes chickenpox in children and shingles in adults. Approximately 1,000,000 new cases...

A high-speed data recorder and replay equipment has been developed for reliable high-data-rate recording to disk media. It solves problems with slow or faulty disks, multiple disk insertions, high-altitude operation, reliable performance using COTS hardware,...

Datacasting V3.0 provides an RSS-based feed mechanism for publishing the availability of Earth science data records in real time. It also provides a utility for subscribing to these feeds and sifting through all the items in an automatic manner to identify and download the data records that are required for a specific...

In a high-speed signal transmission system that uses transformer coupling, there is a need to provide increased transmitted signal strength without adding active components. This invention uses additional transformers to achieve the needed gain. The prior art uses stronger drivers...

Heterodyne receivers at submillimeter wavelengths have played a major role in astrophysics as well as Earth and planetary remote sensing. All-solid-state heterodyne receivers using both MMIC (monolithic microwave integrated circuit)...

NASA Stennis Space Center’s (SSC’s) large rocket engine test facility requires the use of liquid propellants, including the use of cryogenic fluids like liquid hydrogen as fuel, and liquid oxygen as an oxidizer (gases which have been liquefied at very low temperatures). These fluids...

Soft x-ray optics can use narrow slots to direct x-rays into a desirable pattern on a focal plane. While square-pack, square-pore, slumped optics exist for this purpose, they are costly. Silicon (Si) is being examined as a possible low-cost replacement. A fabrication method was developed for...

A compact radiometric focal plane assembly (FPA) has been designed in which the filters are individually co-registered over compact thermopile pixels. This allows for construction of an ultralightweight and compact radiometric instrument. The FPA also incorporates micromachined baffles in order...

Previously, it was difficult to fabricate deformable mirrors made by piezoelectric actuators. This is because numerous actuators need to be precisely assembled to control the surface shape of the mirror. Two approaches have been developed. Both approaches begin by depositing a stack of...

Using thousands of nanometer-scale wires, researchers at the Georgia Institute of Technology have developed a sensor device that converts mechanical pressure – from a signature or a fingerprint – directly into light signals that can be captured and processed optically. The sensor...

The Mars Science Laboratory (MSL) robotic arm is ten times more massive than any Mars robotic arm before it, yet with similar accuracy and repeatability positioning requirements. In order to assess and validate these requirements, a higher-fidelity model and calibration processes were...

Commercial uses for ultraviolet (UV) light are growing, and now a new kind of LED under development at The Ohio State University could lead to more portable and low-cost uses of the technology. The patent-pending LED creates a more precise wavelength of UV light than today’s...

This innovation replaces the linear alternator presently used in Stirling engines with a continuous-gradient, impedance-matched, oscillating magnetostrictive transducer that eliminates all moving parts via compression, maintains high efficiency, costs less to manufacture, reduces mass, and eliminates the need for a...

Crash risks while driving at night are higher than during the daytime, but most roadways in the U.S. do not have roadway lighting. In fact, many state and local governments find it difficult to pay for installing, operating and maintaining roadway lighting. Despite these concerns,...

Researchers in Japan have developed a new type of photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful enough to break the bonds of DNA and harm living creatures. Although this radiation doesn't normally reach...

Tiny silicon crystals caused no health problems in monkeys three months after large doses were injected, marking a step forward in the quest to bring such materials into clinics as biomedical imaging agents, according to a recent study. The findings suggest that the silicon nanocrystals,...

Green Tech Energy Services, working in conjunction with its client, the Allentown Parking Authority, needed lighting fixtures in a multi-level parking garage in Allentown, Pennsylvania. They were looking for fixtures that offered a great appearance, price and quantity. Additionally, they...

Aboard a state-of-the-art aircraft might be the last place you would think of yourself enjoying a warm “candlelit” dinner, followed by a good night’s sleep under a starry night sky. The truth is, the latest aircraft cabins seek to provide just that – a revolutionary in-flight experience...

When it comes to highpower lighting applications in the military and harsh industrial environments, reliability and efficiency are key features to consider. To maximize both of these qualities, lightemitting diode (LED) technology is coming into play with brighter, more flexible lighting...

The Energy Policy and Conservation Act of 1975 and its subsequent amendments established minimum efficiency standards for lighting products. While the DOE’s mandatory energy efficiency standards and recently-heightened surveillance efforts are designed to...

This method uses a photoaffinity label that recognizes DNA and can be used to distinguish populations of bacterial cells from bacterial spores without the use of heat shocking during conventional culture, and live from dead bacterial spores using...

Phihong USA (Fremont, CA) recently introduced a new series of waterproof LED drivers for use in a broad range of residential and commercial applications. Designated the PDA040 series, the LED power supplies are available in constant-current outputs of 700, 1050 and 1400mA at a nominal input voltage rating of 120-277...

The ability to stabilize and treat patients on exploration missions will depend on access to needed consumables. Intravenous (IV) fluids have been identified as required consumables. A review of the Space Medicine Exploration Medical Condition List (SMEMCL) lists over 400 medical conditions that could present...

Dialog Semiconductor plc (Kirchheim/Teck, Germany) has announced a new solid state lighting (SSL) LED driver that integrates boost and flyback converters into a single IC. The iW3623 offers a universal 100 VAC to 277 VAC input range and output power up to 45W. Dialog’s patented Flickerless™ design achieves a near-zero 100 to...

The Verde Series LED GU24 direct replacement lamp by American Illumination (Los Angeles, CA) is one of the few GU24 direct replacement light bulbs available, and is the only one compatible with the GU24 locking ring for simple transitions from CFL to LED. The Verde GU24 bulb replaces the 13W CFL, consuming only 8.5W...

Apart from the fundamental interest of discovering the physical effects that are behind the light-matter interaction processes that make it possible, slowing and storing light currently attracts a lot of attention because the ability to control the propagation speed of optical pulses,...

The new Helios series of sub-nanosecond solid-state lasers from Coherent, Inc. (Santa Clara, CA) offer a pulse repetition frequency of 50 kHz and a pulsewidth of <600 ps. Specific applications include scribing of both thin-film and c-Si solar cells (e.g. selective opening of anti-reflection or passivation...

The 2013 Create the Future Design Contest — sponsored by COMSOL, SAE International, and Tech Briefs Media Group (publishers of NASA Tech Briefs) — recognized innovation in product design in eight categories: Aerospace & Defense (new this year), Consumer Products, Electronics, Machinery &...

The overall consumer experience of foods is impacted by various sensory factors including taste, texture, and smell, as well as by ingredients that occur naturally in various foods, which can directly impact one’s mood. Food additives also affect various mood neuro-actives, such as serotonin,...

A client seeks new synthetic (chemical-based) control agents for insects such as aphids and spider mites. The piercing and sucking insects damage plants by inserting their mouthpart into plant tissues and feeding on the juices. Heavily infested plants become yellow, wilted, deformed, or stunted, and may...

Dr. Butler Hine is the project manager of the Lunar Atmosphere and Dust Environment Explorer (LADEE) spacecraft. The vehicle, successfully launched in September, will characterize the dust environment of the moon.

The International Space Station (ISS) Visiting Vehicle Group needed a targeting tool for vehicles that rendezvous with the ISS. The Visiting Vehicle Ground Trajectory targeting tool provides the ability to perform both realtime and planning operations for the Visiting Vehicle Group. This tool provides a...

The Mobile Thread Task Manager (MTTM) is being applied to parallelizing existing flight software to understand the benefits and to develop new techniques and architectural concepts for adapting software to multicore architectures. It allocates and load-balances tasks for a group of threads that migrate across...

The Software Developer’s Assistant (SDA) helps software teams more efficiently and accurately conduct or execute software processes associated with NASA mission-critical software. SDA is a process enactment platform that guides software teams through project-specific standards, processes, and...

Global Positioning System (GPS) meteorology provides enhanced density, low-latency (30-min resolution), integrated precipitable water (IPW) estimates to NOAA NWS (National Oceanic and Atmospheric Administration National Weather Service) Weather Forecast Offices (WFOs) to...

As remote sensing for scientific purposes has transitioned from an experimental technology to an operational one, the selection of instruments has become more coordinated, so that the scientific community can exploit complementary measurements. However, technological and scientific heterogeneity across...

There is a need to acquire autonomously cryogenic hydrocarbon liquid sample from remote planetary locations such as the lakes of Titan for instruments such as mass spectrometers. There are several problems that had to be solved relative to collecting the right amount of...

The conventional method for integrating a radiometer into radar hardware is to share the RF front end between the instruments, and to have separate IF receivers that take data at separate times. Alternatively, the radar and radiometer...

Inspired by the way dolphins hunt using bubble nets, scientists at the University of Southampton, in collaboration with University College London and Cobham Technical Services, have developed a new kind of radar that can detect hidden surveillance equipment and explosives. The twin inverted...

An in-flight service from Gogo allows travelers to text and talk as if they are on the ground. By using the company's air-to-ground connectivity, calls and texts are routed through the aircraft's wireless network rather than in-flight cell towers, or "picocells."

A San Francisco startup introduced an all-in-one card, called Coin, meant to store financial information from every other card carried in a wallet. The device, available for preorder, includes a magnetic strip that can change depending on what card one wants to use. What do you think? Would you use an...