Fifty years after the Cuyahoga conflagration

On June 22, 1969, the Cuyahoga River, which flows through Cleveland, Ohio, caught fire. Although firefighters extinguished the blaze within 30 minutes, the shocking event helped galvanize the U.S. environmental movement. ...

NEEMO: Testing space gear under the sea

NASA's Extreme Environment Mission Operations takes place more than 18 meters below the surface of the Atlantic Ocean. For nine days, astronauts, engineers, and scientists live and work underwater, testing new technologies ...

New lens system for brighter, sharper diffraction images

To design and improve energy storage materials, smart devices, and many more technologies, researchers need to understand their hidden structure and chemistry. Advanced research techniques, such as ultra-fast electron diffraction ...

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