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Environment

Briefs : Electronics & Computers
Ultra-Wide-Bandgap Power Electronics

Power electronics used for routing, control, and conversion of electrical power traditionally utilize silicon semiconductors. These systems tend to be bulky, require active cooling, and are inadequate for...

Briefs : Aerospace
Ground-Based System Guides UAVs to Avoid Collisions

The Federal Aviation Administration (FAA) averages more than 100 reports a month of interactions between unmanned aircraft systems (UAS) and commercial or private planes. For UAS to fly in...

Question of the Week : Green Design & Manufacturing
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
Researchers at the University of Buffalo have found a counter-intuitive way of improving the water-purification process: keeping things cool.
Briefs : Sensors/Data Acquisition
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 : Energy
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 : Electronics & Computers
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 : Energy
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 : Green Design & Manufacturing
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)?
What's the best platform for controlling vehicle emissions? "It depends!" says one engine expert.
Briefs : Green Design & Manufacturing
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 : Energy
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 : Green Design & Manufacturing
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 : Energy
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. What is new, however, is a “smart glass” that is low-cost.
Question of the Week
Which Superpower Do You Want Most?

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