Search results
Results from the WOW.Com Content Network
Continental drift is a highly supported scientific theory, originating in the early 20th century, that Earth's continents move or drift relative to each other over geologic time. [1] The theory of continental drift has since been validated and incorporated into the science of plate tectonics , which studies the movement of the continents as ...
The evolution of tectonophysics is closely linked to the history of the continental drift and plate tectonics hypotheses. The continental drift/ Airy-Heiskanen isostasy hypothesis had many flaws and scarce data. The fixist/ Pratt-Hayford isostasy, the contracting Earth and the expanding Earth concepts had many flaws as well.
Benjamin Franklin. Gerhard Fanselau (German, 1904–1982) – geomagnetic observations; Joseph Charles Farman (British, 1930–2013) – co-discoverer of the ozone hole; Yevgeny Konstantinovich Fyodorov (Russian, 1910–1981) – pioneer in Arctic geophysical survey; Osmond Fisher (British, 1817–1914) – continental drift
Henry Robert Frankel (October 11, 1944 – November 2, 2019) was an American philosopher and historian of science noted for his historical and philosophical analysis of the continental drift controversy and subsequent discovery of plate tectonics.
The Ben Franklin mesoscaphe, [1] also known as the Grumman/Piccard PX-15, is a crewed underwater submersible, built in 1968. It was the brainchild of explorer and inventor Jacques Piccard . The research vessel was designed to house a six-man crew for up to 30 days of oceanographic study in the depths of the Gulf Stream .
The continental dollar was the first pattern coin struck for the United States. Believed to be designed by Benjamin Franklin, the continental dollar concepts were translated into coins by Elisha ...
Crew members of the Grumman/Piccard PX-15 / Ben Franklin. The crew consisted of Jacques Piccard as the mission leader; Erwin Aebersold, another Swiss, as Piccard's handpicked pilot and main assistant to Piccard and project engineer during the Franklin's design and construction. Grumman selected a Navy submariner named Don Kazimir to be captain.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!