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Environment

News : Green Design & Manufacturing
Researchers Create Jet Fuel Compounds From Fungus

Washington State University researchers have found a way to make jet fuel from a common black fungus found in decaying leaves, soil, and rotting fruit. They used Aspergillus carbonarius ITEM 5010 to create hydrocarbons, the chief component of petroleum, similar to those in aviation fuels.

News : Aerospace
NASA Tests Green Aviation Technology

Two NASA experiments designed to help reduce fuel consumption and emissions will fly this spring on a specially outfitted Boeing 757 airplane called the ecoDemonstrator. One includes 31 small devices that will blow jets of air on the vertical tail, and the other involves non-stick coatings to help repel bugs...

News : Green Design & Manufacturing
Researchers Test Smartphones for Earthquake Warning

Smartphones and other personal electronic devices could, in regions where they are in widespread use, function as early warning systems for large earthquakes. This technology could serve regions of the world that cannot afford higher quality, but more expensive, conventional earthquake early...

Application Briefs : Robotics, Automation & Control
Autonomous Robots Keep Warehouse Running Green

YLOG, a startup company in Austria, uses an intelligent and very environmentally friendly logistics system that is winning an increasing number of customers. The technology makes use of individual, freely moving Autonomous Intelligent Vehicles (AiVs) that detect each other, observe right-of-way...

Briefs : Green Design & Manufacturing
High-Performance Photocatalytic Oxidation Reactor System

As crewed space missions extend beyond low Earth orbit, the need to reliably recover potable water is critical. Aboard the International Space Station (ISS), the water is recycled from cabin humidity condensate, urine distillate, and hygiene wash wastes. In spacecraft cabin air...

Who's Who : Green Design & Manufacturing
Emily Wilson, Scientist, Goddard Space Flight Center, Greenbelt, MD

Emily Wilson developed a miniaturized laser heterodyne radiometer (mini-LHR) to measure the emissions of carbon dioxide and methane from melting permafrost. Wilson’s technology will be one of several NASA instruments sent to Alaska in June to analyze trace gases in the...

Briefs : Software
A Large-Eddy Simulation Model of the Atmospheric Boundary Layer

The model includes the interaction of various physical processes, including turbulence, clouds, precipitation, and radiation.

The atmospheric boundary layer is the lowermost layer of the atmosphere and is host to a plethora of physical processes that significantly affect...

Briefs : Green Design & Manufacturing
Hydrogen Peroxide for Microbial Growth Control in Space Potable Water Systems

NASA uses a biocide to prevent contamination of astronaut drinking water with harmful microorganisms. Concerns have arisen over existing biocides — that they’re inadequately effective, and may have toxic side effects when consumed. New microbial control methods are...

Briefs : Green Design & Manufacturing
Nonlinear Swept Frequency Technique for CO2 Measurements Using a CW Laser System

The U.S. National Research Council recently identified the need for a near-term space mission of Active Sensing of CO2 Emissions over Nights, Days, and Seasons (ASCENDS). The primary objective of the ASCENDS mission is to make CO2 column...

Briefs : Physical Sciences
Method of Water Regeneration From Waste and Cascade Distillation

Effective recovery of potable water from various streams and sources of wastewater, seawater, or contaminated water is a significant task for securing existence of human beings in space, terrestrial, and marine environments. Efficient purification of the wastewater is also a very...

News : Green Design & Manufacturing
Microcapsule Method Captures Carbon

Researchers has developed a novel class of materials that enable a safer, cheaper, and more energy-efficient process for removing greenhouse gas from power-plant emissions.

The team, led by scientists from Harvard University and Lawrence Livermore National Laboratory, employed a microfluidic assembly...

News : Motion Control
Aircraft with Hybrid Engine Can Recharge in Flight

Researchers from the University of Cambridge, in association with Boeing, have successfully tested the first aircraft to be powered by a parallel hybrid-electric propulsion system, where an electric motor and gas engine work together to drive the propeller. The demonstrator aircraft uses up to...

News : Energy
Energy Harvesting Could Help Power Spacecraft of the Future

A consortium is working on a project to maximize energy harvesting on a spacecraft of the future. The initiative seeks to find energy-saving and -maximizing solutions to enable eco-friendly aircraft to stay in space for long periods of time without the need to return to Earth to...

News : Green Design & Manufacturing
Forensic Tracers Identify Contamination in Water

Duke University scientists have developed new forensic tracers to identify coal ash contamination in water and distinguish it from contamination coming from other sources. The tools can be used by regulatory agencies to monitor the environmental effects of coal ash, and determine whether it has or...

News : Green Design & Manufacturing
Researchers Fabricate Rewritable Paper

Chemists at the University of California, Riverside have fabricated novel rewritable paper, one that is based on the color-switching property of commercial chemicals called redox dyes.

The dye forms the imaging layer of the paper. Printing is achieved by using ultraviolet light to photobleach the...

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