Sound waves can reflect off surfaces ... This technique is applied in sonar systems used to measure the depth of the seabed and to find shipwrecks, submarines and shoals of fish.

To make the detection more sensitive, researchers built the phased-array sonar system. This consists of multiple units that can transmit sound waves and those of different frequencies ...

most often sound waves. While a well-known use of this is sonar, ultrasonic sensors can also be put to use to make a radar-like system. This ultrasonic radar project is from [mircemk] who uses a ...

Sonar systems, which use sound waves to navigate and map the ocean, are particularly loud and disruptive to marine life.

Naval sonar systems work like acoustic floodlights, sending sound waves through ocean waters for tens or even hundreds of miles to disclose large objects in their path. But this activity entails ...

Three kids fell into a frozen pond Thursday night on Duck Pond Court in Winston-Salem. WINSTON-SALEM, N.C. — There have been three separate incidents where children have died or were severely injured ...

The work environment for ultrasound technicians is diverse. Many are employed in hospitals, where they may collaborate with ...