Hot ring produces microwave-powered ultrasound pulses wirelessly

Ultrasound imaging is one of the workhorses in a modern hospital. It hits the trifecta of being relatively cheap, portable and non-invasive. Causing future parents to get a bit emotional over fetus images is also an appreciated ...

New chip poised to enable hand-held microwave imaging

Researchers have developed a new microwave imager chip that could one day enable low-cost handheld microwave imagers, or cameras. Because microwaves can travel through certain opaque objects, the new imagers could be useful ...

NASA finds tropical storm 14W strengthening

Tropical Storm 14W formed as a depression a couple of days ago in the Northwestern Pacific Ocean and strengthened into a tropical storm on Sept. 2. Infrared data from NASA's Aqua satellite shows some powerful thunderstorms ...

NASA satellite images show evolution of Hurricane Harvey

Hurricane Harvey continues to churn toward the Texas coast, and is expected to make landfall as a major hurricane sometime late Aug. 25 or early Aug. 26, according to the National Hurricane Center. It would be the first major ...

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