Word: heat-flow
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...addition, Birch is known for his studies of heat-flow inside the earth of the United States, said Diziewonski...
...experiments also posed problems. Cernan worked so hard trying to drill holes for the important heat-flow experiment-which had been inadvertently disconnected on the Apollo 16 mission-that his pulse climbed to 150 beats per minute. NASA doctors, monitoring his heartbeat, ordered him to rest. Coming to Cernan's aid, Schmitt took a dramatic spill as he tried to extract a balky core tube from the ground. All of the experiments were finally set up, but it was learned later that a key instrument-the surface gravimeter-had jammed. It was a bitter disappointment to scientists...
Birch, who has taught at Harvard since 1932, is an authority on the structure of the earth's interior. In particular, he has studied heat-flow in the earth's core and the effects of high pressures and temperatures on the minerals that compose...
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