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Environment

Question of the Week : Mechanical & Fluid Systems
Can a 'Cool' Strategy Improve Water-Purification Efforts?

Researchers from the University of Buffalo found a counter-intuitive way of improving the water-purification process: keeping things cool.

By using carbon-dipped paper to weaken light intensity, their new system increases efficiency and provides a more affordable water-treatment...

Blog : Mechanical & Fluid Systems
A New Approach to Solar-Powered Water Purification: Stay Cool

Although the Sun’s heat is critical to solar-powered water purification, researchers from the University of Buffalo found a counter-intuitive way of improving the filtration...

Briefs : Mechanical & Fluid Systems
Correlation Spectrometer

Correlation spectroscopy is an attractive technique for sensing and analysis applications because it combines the attributes of mechanical and optical simplicity, high selectivity, and good sensitivity. In...

Briefs : Green Design & Manufacturing
Grid Friendly™ Charger Controller

Electric vehicles are growing in popularity, and while they represent a cleaner alternative to fossil-fueled vehicles, their increased use may stress the grid if this growing load is left unmanaged. A need...

Briefs : Energy
Nonaqueous Redox Flow Battery

Researchers have created a material that consists of carefully structured molecules designed to be particularly electrochemically stable in order to prevent the battery from losing energy to unwanted reactions....

Articles : Transportation
3D-Printed Lab on Wheels

Next-generation manufacturing takes on a 50-year-old icon as ORNL researchers transform the classic Shelby Cobra sports car into a 3D-printed laboratory on wheels. Additive manufacturing enables the seamless...

Blog : Manufacturing & Prototyping
Reusable ‘Oleo’ Sponge Soaks Up Oil Spills

A reusable sponge from the U.S. Department of Energy’s Argonne National Laboratory cleans up spills – not in the kitchen, but on the coast.

Blog : Green Design & Manufacturing
How to Control Vehicle Emissions: Selective Catalytic Reduction (SCR) or Exhaust Gas Recirculation (EGR)?

Selective Catalytic Reduction (SCR) and Exhaust Gas Recirculation (EGR) are two methods used to control emissions in commercial...

Briefs : Energy
Cobalt Oxygen-Evolving Catalysts for Clean Solar Fuel

By splitting a water molecule into two atoms of hydrogen and one of oxygen, scientists can use the Sun’s energy to make a clean fuel. Splitting a water molecule requires a metal catalyst to get the reaction started. Recently, much scientific attention has focused on cobalt, a relatively...

Briefs : Green Design & Manufacturing
High-Voltage Power System for Hybrid Electric Aircraft Propulsion

Innovators at NASA’s Glenn Research Center have developed a variable-frequency, alternating current (AC) power system to enable turbo-electric and hybrid electric...

Briefs : Robotics, Automation & Control
Controllable Dry Adhesive for Efficient Climbing Robot

A small robot with the ability to hoist large loads could have countless applications, not only as a small, inexpensive, disposable, mobile sensor in the realms of search and rescue,...

On-Demand Webinars : Green Design & Manufacturing
Advanced Emissions Strategies for Commercial Vehicles

Understanding the complex nature of emissions from today’s high-performance, high-efficiency diesel engines is, well, complex. Oftentimes new technologies promise considerable benefits in one or more areas while bringing about significant challenges in others.

Blog : Photonics/Optics
Low-Cost Smart Glass? Electrical Engineers Look into It

A switchable window – one that transforms from a clear to tinted state – is not a new invention.

Briefs : Materials
Portable Electrochemical Sensing System

Researchers at Pacific Northwest National Laboratory (PNNL) have developed an inexpensive electrochemical sensing system that significantly improves the ability to rapidly and accurately detect heavy...

Articles : Green Design & Manufacturing
Hunting New Mining Deposits with Hyperspectral Imaging

How much gold remains to be mined on Earth? How about the lesser-known element, indium, necessary for computer and smartphone displays? With known sources of some essential metals facing...