The Hershey Company, known until April 2005 as the Hershey Foods Corporation and commonly called Hershey's, is an American company and one of the largest chocolate manufacturers in the world. Its headquarters are in Hershey, Pennsylvania, which is also home to Hershey's Chocolate World. It was founded by Milton S. Hershey in 1894 as the Hershey Chocolate Company, a subsidiary of his Lancaster Caramel Company. Hershey's chocolate is available across the United States, due to their wide network of
Sonar definition, a method for detecting and locating objects submerged in water by echolocation. See more.
Active Sonar. Active sonar. emit an acoustic signal or pulse of sound into the water. If an object is in the path of the sound pulse, the sound bounces off the object and returns an âechoâ to the sonar transducer. If the transducer is equipped with the ability to receive signals, it measures the strength of the signal.