Radio-activity
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Uploader Comments (georgehamner)
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0:34 You are wrong there is scientific explanation for background radiation .
soil and construction materials in your house contains trace amounts of radioactive minerals ,sun,stars,supernovas and black holes emit radiation in form of gamma rays,X-rays and charged particles .
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I meant only the Cosmic Rays -- still some questions on these.
georgehamner 11 months ago