| 单词 | bennett, willard harrison |
| 释义 | Bennett, Willard HarrisonBennett, Willard Harrison(1903–87) physicist, inventor; born in Findlay, Ohio. He received a Ph.D. in physics from the University of Michigan in 1928 and joined the Ohio State University faculty two years later. In the 1950s, he invented a device that produced a model of the Van Allen radiation belt. His radio frequency mass spectrometer, a device that measured the mass of atoms, first went into space in 1957 aboard the Russian satellite Sputnik. |
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