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Unexplainable
The Sea Floor and Sonar
For most of modern history, measuring the sea floor meant scientists going out at sea and then throwing out these lines with weights at the end. It wasn't until world war one that there was the development of sonar which allowed us to map the sea floor with sound. One of the first scientists who used the sonar to create detailed maps of the sea floor is marie thorpe. Marie died in two thousand six but she recorded a series of oral histories. She worked under a scientist named bruce hesen who would go out on ships at sea,. And he would collect sonar data of the seafloor.
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