Early Warning For Earthquakes.
This paper presents NASA scientist Friedemann Freund's experiments on why radio frequency phenomena precede some earthquakes. He demonstrated in the laboratory how the earth's crust can act as a gigantic battery to drive a geological radio circuit that extends more than 30 kilometers below...
| 發表在: | IEEE spectrum 44, 2 (2007). |
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| 格式: | Article |
| 語言: | English |
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