<span>Both radar and sonar locate objects from the echo of a signal that is bounced off the object. Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects. Sound waves are a type of acoustic energy. Because of the different type of energy used in radar and sonar, each has its own applications.</span>
The Ottoman Empire, empire created by Turkish tribes in Anatolia (Asia Minor) grew to be one of the most powerful states in the world during the 15th and 16th centuries
