This week, we talk to Zeke Piestup, the only journalist permitted to hang out with the late Harold Camping in the leadup to his failed May 21st rapture. He is the director of Apocalypse Later, a documentary about late radio preacher Harold Camping, who claimed the Bible guaranteed the second coming of Jesus on May 21, 2011.
17.2: Apocalypse Later
This week, we talk to Zeke Piestup, the only journalist permitted to hang out with the late Harold Camping in the leadup to his failed May 21st rapture. He is the director of Apocalypse Later, a documentary about late radio preacher Harold [...]
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Technically speaking it is the charge on alpha and beta particles that limits their penetrating power. Their mass does correlate the total damage inflicted since heavier things tend to have more energy to deposit, but the energy is deposited over a shorter path due to the net electric charge on alphas and betas allowing them to interact with any atom they pass near to rather than needing a direct hit like gammas and neutrons. As mentioned neutrons need a significant amount of material (ideally high density but low atomic weight) to be blocked but betas can easily be blocked by… Read more »
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