Schlieren images reveal supersonic shock waves

NASA researchers in California are using a modern version of a 150-year-old German photography technique to capture images of shock waves created by supersonic airplanes. Over the past five years scientists from NASA's Armstrong ...

date12 hours ago in Engineering
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To track winter flounder, researchers look to ear bones

Researchers at the University of New Hampshire are turning to an unusual source —otoliths, the inner ear bones of fish—to identify the nursery grounds of winter flounder, the protected estuaries where the potato chip-sized ...

date7 hours ago in Ecology
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