radio frequency pulses not that harmful

来源: oldbrick 于 2009-12-15 11:26:42 [] [旧帖] [给我悄悄话] 本文已被阅读： 次 (188 bytes)
回答: 人类越发展怪圈越多 由 毕小珠- 于 2009-12-15 10:51:51
it is strong, but compared to x-ray, it is safe.The effects of radio freq. pulses and variable magnetic fields are still not settled. X-ray, however, is confirmed to cause cancer for sure.
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