Getting light in shape with metamaterials

Converting light from one wavelength (or "color") to a shorter wavelength, a process needed for efficient communication and advanced manufacturing, is typically inefficient. To tackle that inefficiency, a team built a specialized, ...

Moving beyond semiconductors for next-generation electric switches

Computers use switches to perform calculations. A complex film with "quantum wells"—regions that allow electron motion in only two dimensions—can be used to make efficient switches for high-speed computers. For the first ...

Cash transfers, childhood development and the labor market

Nearly every country in Latin America has a conditional cash transfer program. Poor households living below the poverty line can receive government subsidies if they agree to the program's stipulations, usually a mandate ...

Software estimates likelihood of 'man-made earthquakes'

Southwest Research Institute (SwRI) is announcing at the AAPG Annual Convention & Exhibition in Alberta, Canada, that version 5.0 of its 3DStress software offers new, improved capabilities for oil and gas industry clients. ...

Oil and gas wastewater disposal may harm West Virginia waterways

Unconventional oil and gas (UOG) operations combine directional drilling and hydraulic fracturing, or "fracking," to release natural gas and oil from underground rock. Recent studies have centered on potential water pollution ...

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