Abstract: Wireless cross-medium communication between underwater sensors and the outside world is a critical problem for marine exploitation. The sound-millimeter wave (mmWave)-based cross-medium ...
Proven methods for teaching the readers who struggle most have been known for decades. Why do we often fail to use them?
Abstract: A globally constant sound speed of 1540 m/s is often assumed when beamforming ultrasound images, despite variations in tissue properties that lead to heterogeneous sound speeds. As a result, ...
LOS ANGELES (AP) — With eyes closed and a small mallet in hand, the Rev. Kyohei Mikawa gently struck the bronze Himalayan ...
A wildfire burns in the hills of a Los Angeles suburb, leaping from one patch of dry brush to another as it approaches a cluster of homes. The landscaping at the first house burns, but the house ...
Live concerts, fireworks and roaring stadium crowds can reach dangerously high volumes — loud enough to cause permanent hearing loss. But what was the loudest sound ever recorded on Earth? The answer ...
With a runway of smoking-hot coals laid out before them, residents in San Pedro Manrique, Spain, steel themselves as thousands of onlookers cheer them on. The crowd roars when they walk across the ...
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