Question of the Week
Will 3D be the next major TV trend?

This week’s question concerns 3D TV. The recent success of 3D movies such as Avatar has added to an already-growing interest in 3D television and content. TV makers such as Sony, Samsung Electronics, LG Electronics, and Panasonic showed 3D ready televisions at the recent Consumer Electronics Show and expect...

News: Energy

A low-cost wildfire detection and monitoring system using mobile communications technology is being developed by researchers at University of Adelaide's School of Electrical and Electronic...

News: Green Design & Manufacturing

Engineers at the University of Michigan led the development of a new biosensor - a strip of paper infused with carbon nanotubes - that can quickly and inexpensively detect a toxin produced by algae in...

Question of the Week
Can a global ban on producing nuclear weapons material be enforced?

This week’s question concerns nuclear weapons. Diplomats from 65 countries are meeting at the United Nations Conference on Disarmament in Geneva this week to discuss beginning talks on a possible treaty that would stop nations from producing plutonium and highly enriched...

Blog
Do The Russians Know Something We Don't?

Do the Russians know something we don’t?

In the waning days of 2009, the head of Russia’s federal space agency, Dr. Anatoly Perminov, made huge headlines by telling a Russian radio station that their space agency was contemplating sending a mission to Apophis, an 885-foot (270-meter) asteroid...

Question of the Week
Can tablet computers make greater inroads in the PC market?

This week’s question concerns tablet computers. Apple Computer is strongly rumored to soon unveil a tablet computer able to play music and video, read E-books, and provide Internet access. Several PC makers, including Motorola and Hewlett-Packard, also demonstrated tablet computers at...

INSIDER: Energy

Ecosystems of terminus lakes around the world could benefit from a system being developed at the University of Nevada, Reno that desalinates water using a specialized...

INSIDER: Transportation

Sandia National Laboratories will use $4.2 million in American Recovery and Reinvestment Act funds to modify and enhance its existing Battery Abuse Testing Laboratory (BATLab), with the...

Articles: Energy

DOE has prepared a Multi-Year Research, Development, and Demonstration Plan to provide hydrogen as a viable fuel for transportation after 2020, and commissioned Concepts NREC (CN)...

INSIDER: Energy

Chemical plants spend from 50 to 70 percent of their energy in "separations," which are usually distillation steps required to separate a raw material into various products. An...

Blog
Scan My Body - As Long As It Is Safe

I mentioned in my last blog post I will travel to Anaheim in early February to attend several shows, notably the Pacific Design & Manufacturing Show and Medical Design & Manufacturing West . That means once again subjecting myself to the rigors of airport security - whipping out my photo ID, emptying my...

News: Energy

Researchers from the Biotechnology Foundation Laboratories at Thomas Jefferson University have found a way to increase the oil in tobacco plant leaves, which may be the next step in using the...

Blog
Gearing Up For Trade Shows

As the holidays fade and the New Year unfolds, it’s back to business for most of us. For NASA Tech Briefs, that includes a bunch of trade shows and conferences our editors will attend over the next few months.

One show I plan to attend is the Pacific Design & Manufacturing Show, taking place at the Anaheim...

Products: Energy

Anodized aluminum shaft collars from Stafford Manufacturing Corp. (Wilmington, MA) are ideally suited for structural and drive applications involved with positioning solar arrays.

Question of the Week
Should whole body imaging be used for airport security?

The first Question of the Week for 2010 concerns airline security. The recent foiled attempt by a Nigerian terrorist to set off a bomb aboard a Northwest Airlines flight landing in Detroit has renewed concerns that current X-ray technology is insufficient in detecting concealed weapons and...

Briefs: Physical Sciences
Cryogenic Flow Sensor

An acousto-optic cryogenic flow sensor (CFS) determines mass flow of cryogens for spacecraft propellant management. The CFS operates unobtrusively in a high-pressure, high-flowrate cryogenic environment to provide measurements for fluid quality as well as mass flow rate. Experimental hardware uses an optical...

Briefs: Physical Sciences

Robust mud detection is a critical perception requirement for Un manned Ground Vehicle (UGV) auton omous offroad navigation. A military UGV stuck in a mud body during a mission may have to be sacrificed or rescued,...

Briefs: Physical Sciences
Gas Flow Detection System

This system provides a portable means to detect gas flow through a thin-walled tube without breaking into the tubing system. The flow detection system was specifically designed to detect flow through two parallel branches of a manifold with only one inlet and outlet, and is a means for verifying a space shuttle program...

Briefs: Physical Sciences

An improved method of mapping the capacitive contribution to cross-talk among pixels in an imaging array of sensors (typically, an imaging photodetector array) has been devised for...

Briefs: Physical Sciences
Fiber-Based Laser Transmitter for Oxygen A-Band Spectroscopy and Remote Sensing

A fiber-based laser transmitter has been designed for active remote-sensing spectroscopy. The transmitter uses a master-oscillator- power-amplifier (MOPA) configuration with a distributed feedback diode-laser master oscillator and an erbium-doped fiber amplifier. The...

Briefs: Physical Sciences
Low-Profile, Dual-Wavelength, Dual-Polarized Antenna

A single-aperture, low-profile antenna design has been developed that supports dual-polarization and simultaneous operation at two wavelengths. It realizes multiple beams in the elevation plane, and supports radiometric, radar, and conical scanning applications.

Briefs: Physical Sciences
Time-Separating Heating and Sensor Functions of Thermistors in Precision Thermal Control Applications

A method allows combining the functions of a heater and a thermometer in a single device, a thermistor, with minimal temperature read errors. Because thermistors typically have a much smaller thermal mass than the objects they monitor, the...

Briefs: Electronics & Computers

The cellular reflectarray antenna is intended to replace conventional parabolic reflectors that must be physically aligned with a particular satellite in geostationary orbit. These arrays are designed for...

Briefs: Electronics & Computers
Ethernet-Enabled Power and Communication Module for Embedded Processors

The power and communications module is a printed circuit board (PCB) that has the capability of providing power to an embedded processor and converting Ethernet packets into serial data to transfer to the processor. The purpose of the new design is to address the...

Briefs: Electronics & Computers
Two-Dimensional Synthetic-Aperture Radiometer

A two-dimensional synthetic-aperture radiometer, now undergoing development, serves as a test bed for demonstrating the potential of aperture synthesis for remote sensing of the Earth, particularly for measuring spatial distributions of soil moisture and ocean-surface salinity. The goal is to use the...

Briefs: Electronics & Computers

A proposed one-dimensional synthetic-aperture microwave radiometer could serve as an alternative to either the two-dimensional synthetic-aperture radiometer described in the...

Briefs: Electronics & Computers
Electrical Switching of Perovskite Thin-Film Resistors

Electronic devices that exploit electrical switching of physical properties of thin films of perovskite materials (especially colossal magnetoresistive materials) have been invented. Unlike some related prior devices, these devices function at room temperature and do not depend on externally...

Briefs: Electronics & Computers
Electrically Variable Resistive Memory Devices

Nonvolatile electronic memory devices that store data in the form of electrical-resistance values, and memory circuits based on such devices, have been invented. These devices and circuits exploit an electrically-variableresistance phenomenon that occurs in thin films of certain oxides that exhibit...

Briefs: Manufacturing & Prototyping

Some modifications that could be made, separately or together, have been conceived as improvements of the generic design of a structure of the type described in “Hybrid Inflatable...

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