Sonar

Title: What is Sonar Explanation of Topic (Definition, Key Points, Details) Sonar: Sonar is a tool used on objects above water to detect something under water. Sonar is normally used on boats. This allows boats to see if submarines, fish, or anything unknown is below them including rocks. Sonar was invented in 1906 by Lewis Nixon. He made this during the war so boats could detect icebergs. Sonar creates like a pulse of sounds and it connects to the object on the boat. Basically it send a fast mesage to the boat about what is below. Sonar was originally caled ASDIC after the "Allied Submarine Detection Investigation Committee".

There are many types of sonar systems that do the same things but look a little different.

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