Keyword: Environmental protection

Application Briefs: Lighting
Kopp Glass, Pittsburgh, PA

Incandescent lamps have been used as the primary light source in airfield lighting designs for many years. With recent environmental awareness of the general population and...

Articles: Lighting

Solid-state lighting (SSL) is rapidly emerging as a major segment of the lighting fixture industry. What was once a simple electrical device has now...

Application Briefs: Photonics/Optics
Widely Tunable Mode-Hop-Free External-Cavity Quantum Cascade Laser

The external-cavity quantum cascade laser (EC-QCL) system is based on an optical configuration of the Littrow type. It is a room-temperature, continuous- wave, widely tunable, mode-hop-free, mid-infrared, EC-QCL spectroscopic source. It has a single-mode tuning range of 155...

Articles: Green Design & Manufacturing

Fluorescent lamps are a popular lighting option for businesses and consumers that are looking for ways to conserve energy and cut down on...

Application Briefs: Electronics & Computers

The design of enclosures to house networking servers and components should be guided by one overriding concern — heat. Servers, in particular, generate a great deal of heat, so an...

Application Briefs: Electronics & Computers

Conventional hard disk drives (HDDs) are designed to reliably operate in the hospitable physical surroundings of interior deployments, which are typically characterized by mild...

Articles: Sensors/Data Acquisition

A team from Langley Research Center in Hampton, VA, has been awarded the 2006 NASA Government Invention of the Year for an actuator and sensor system that is more durable than a piezoelectric system,...

Briefs: Materials

Today, a major thrust toward improving the thermomechanical properties of engine components lies in the development of fiber-reinforced silicon carbide matrix composite materials,...

Briefs: Physical Sciences
Solid-Phase Extraction of Polar Compounds From Water

A solid-phase extraction (SPE) process has been developed for removing alcohols, carboxylic acids, aldehydes, ketones, amines, and other polar organic compounds from water. This process can be either a subprocess of a water-reclamation process or a means of extracting organic compounds from...

Briefs: Physical Sciences

The presence of corrosives in the Earth's atmosphere is of global concern. From acid rains that are destroying forests and disfiguring monuments like the Parthenon and the pyramids, to atmospheric pollutants that produce...

Briefs: Electronics & Computers

A government/ industry/ academic cooperative has developed a hybrid electric transit bus (HETB). The goals of the development program, which continues, include doubling the fuel...

Briefs: Physical Sciences
Kit for Sampling Nitrosamines From Aqueous Solutions

Scientists at White Sands Test Facility (WSTF) have devised a kit for extracting nitrosamines from aqueous solutions. In comparison with extractions according to the method recommended by the Environmental Protection Agency (EPA), extractions by use of the kit are faster, cheaper and less...

Briefs: Manufacturing & Prototyping

Vacuum plasma spraying (VPS) has been demonstrated to be an effective technique for the fabrication of refractory-metal components of solar-thermal engines. Heretofore, such...