Using Instagram can increase adolescents' closeness to friends

Your food, your vacation, your carefully curated life—all posted for your friends in a filtered image. Some may scoff at adolescents' use of social media networks as they pine for likes. Is this just frivolous behavior? ...

Building a bright future for lasers

Invisible to the human eye, terahertz electromagnetic waves can "see through" everything from fog and clouds to wood and masonry—an attribute that holds great promise for astrophysics research, detecting concealed explosives ...

Reducing gas flares—and pollution—from oil production

Last year, dozens of major oil companies and oil-producing nations agreed to end the routine flaring of natural gas from wells by 2030. This burning off of uncaptured methane in addition to simply letting it escape into the ...

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 ...

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