Morning Overview on MSN
Why scientists fear America’s next massive tsunami
Along a quiet stretch of the Pacific Northwest, a hidden fault is slowly loading the energy for what could be the most ...
Morning Overview on MSN
A 9.2 megathrust could wreck the Pacific Northwest, experts warn
A 9.2 megathrust earthquake on the Cascadia Subduction Zone would not just rattle the Pacific Northwest, it would redraw the ...
Abstract: We have proposed a method to focus an ultrasonic beam transmitted from piezoelectric micromachined ultrasonic transducer (pMUT) array based on the principle of phase-type Fresnel Zone Plate ...
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