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The hydrophone was developed first. It was around back in Da Vinci's time, and the first recorded use dates from about 1490. Stick the large end of a "horn" of some kind in the water and listen to the little end to see what you can hear. That's a hydrophone. Sonar came along later, like in the early 1900's. It was being developed at the time electronics was advancing, and it is with the application of modern electronics that we can make the most effective use of this remarkable imaging tool. A link is provided to the Wikipedia article on sonar, and the "History" part of the article is short and easy to read.
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What is one important math principle developed in India?
N/a
One similarity between the ancient civilizations in Egypt and in China is that they developed?
written forms of communication
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Reasons why film will come out blank?
One reason film may come out blank is if it was exposed to light before it was developed.
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Who developed one of the first microscopes?
Zacharias Jansen developed the first microscope.
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A sonar uses one device and a sea beam uses a dozen sonar devices.
How does the information gathered by ships using sea beam sonar differ from the collected with standard methods that use one sonar device?
A sonar uses one device and a sea beam uses a dozen sonar devices.
Why is multibeam sonar more efficient than simple sonar at collecting data from the ocean floor?
In contrast to simple sonar multibeam sonar uses more than one sound sources and listening device.
What actors and actresses appeared in Sonar One-Step - 1978?
The cast of Sonar One-Step - 1978 includes: Marvin Miller as Narrator
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Sonar was used to detect and hunt submarines in WW2
When was the first two party system developed?
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What is one technology oceanographers use today to explore nthe ocean floor?
Robotics is one such technology used today.
What is sonar and how does it detect aeroplanes?
Sonar is the generic name of the technology that is used to locate objects underwater. Sonar systems are of two basic types - active and passive. In active sonar the system let's out a pulse of sound and then the operator listens for echoes. The passive sonar the operator listens to sounds emitted by the object one is trying to locate.
What are the devices which converts sound signal into electrical signal other than microphone?
One is the hydrophone, used to pick up sound waves underwater.
What words have the latin root sonus?
One word is consonant. Alsosonic, resonate.
