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  2. Hell's Bells: The Dangers of Rock 'N' Roll - Wikipedia

    en.wikipedia.org/wiki/Hell's_Bells:_The_Dangers...

    Christian Film Guide referred to the film as a "classic documentary on rock music and its roots and influences." [3] Pitchfork Media also reviewed the film, saying that they did see where the film had aged since it was filmed and had multiple factual errors, but that it also "introduced thousands of viewers to Venom, Mercyful Fate, and Diamanda Galas--artists your standard youth group would ...

  3. Radium and radon in the environment - Wikipedia

    en.wikipedia.org/wiki/Radium_and_radon_in_the...

    Radon is a major cause of cancer; it is estimated to contribute to ~2% of all cancer related deaths in Europe. [1] Radium, like radon, is radioactive and is found in small quantities in nature and is hazardous to life if radiation exceeds 20-50 mSv/year. Radium is a decay product of uranium and thorium. [2]

  4. Health effects of radon - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_radon

    After 11 half-lives (42 days), radon radioactivity is at 1/2 000 of its original level. At this stage, the predominant residual activity is due to the radon decay product 210 Pb, whose half-life (22.3 years) is 2 000 times that of radon, and its descendants 210 Bi and 210 Po, totalling 0.03% of the initial seed activity. [citation needed]

  5. Root Cause (film) - Wikipedia

    en.wikipedia.org/wiki/Root_Cause_(film)

    The film was released in 2019 on Netflix, Amazon, Vimeo, iTunes, Google Play and YouTube. The American Dental Association, American Association of Endodontists and the American Association of Dental Research sent a private letter to media companies hosting the film and warned them that "continuing to host the film could harm the viewing public by spreading long-disproven claims."

  6. Radon - Wikipedia

    en.wikipedia.org/wiki/Radon

    2) and the high positive charge on radon in RnF +; spatial separation of RnF 2 molecules may be necessary to clearly identify higher fluorides of radon, of which RnF 4 is expected to be more stable than RnF 6 due to spin–orbit splitting of the 6p shell of radon (Rn IV would have a closed-shell 6s 2 6p 2 1/2 configuration). Therefore, while RnF

  7. Robert V. Gentry - Wikipedia

    en.wikipedia.org/wiki/Robert_V._Gentry

    Gentry noted that the 218 polonium radio halos only formed at temperatures below 300 degrees and were visible for less than 3 minutes, thus requiring the Precambrian granites where they are to have formed by a quick process yet "mysterious" [clarification needed] [13] cold, highlighting the singularities of the continental crust [14] [15] in relation to the oceanic crust.

  8. Backmasking - Wikipedia

    en.wikipedia.org/wiki/Backmasking

    Backmasking is a recording technique in which a message is recorded backward onto a track that is meant to be played forward. [1] It is a deliberate process, whereas a message found through phonetic reversal may be unintentional.

  9. Brandolini's law - Wikipedia

    en.wikipedia.org/wiki/Brandolini's_law

    Brandolini's law, also known as the bullshit asymmetry principle, is an internet adage coined in 2013 by Alberto Brandolini, an Italian programmer, that emphasizes the effort of debunking misinformation, in comparison to the relative ease of creating it in the first place.