America 1960-1969: Science and Technology Research Article from American Decades

This Study Guide consists of approximately 71 pages of chapter summaries, quotes, character analysis, themes, and more - everything you need to sharpen your knowledge of America 1960-1969.
Encyclopedia Article

America 1960-1969: Science and Technology Research Article from American Decades

This Study Guide consists of approximately 71 pages of chapter summaries, quotes, character analysis, themes, and more - everything you need to sharpen your knowledge of America 1960-1969.
This section contains 394 words
(approx. 2 pages at 300 words per page)
Buy the America 1960-1969: Science and Technology Encyclopedia Article

1906-1969
Geologist

Hess's Theory.

The plate tectonics theory, basic to oceanography and geology today, was accepted because of the work of Harry H. Hess on seafloor spreading. Once seafloor spreading was shown to occur, Hess concluded that continents drift over time, the result of continental plates of the Earth's crust moving laterally around the planet. This is the theory of plate tectonics, which was developed over a period of some fifty years.

Continental Drift.

German scientist and explorer Alfred L. Wegener first proposed continental displacement (or drift) in 1924 to explain how various parts of the continents seemed to fit into each other like pieces of a jigsaw puzzle. He thought they were all connected once and drifted apart, but he could not prove his theory.

Midocean Ridges.

Then the midocean ridges were found. When Harry Hess was a navy captain of a Pacific attack transport...

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This section contains 394 words
(approx. 2 pages at 300 words per page)
Buy the America 1960-1969: Science and Technology Encyclopedia Article
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