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RE: Myth or Fact? #6 – Radioactive contaminated waste glows green
The exaggeration of the danger of radioactivity is a myth that bothers me. Something about hearing "half-life of thousands of years" sounds more dangerous than it is. When truth is half life of one second is more dangerous.
Whether the half-life is seconds or thousands of years, radioactive material is deadly to living organisms. Plutonium 239 has a half-life of 24110 years and is one of the most "poisonous" material on earth. Iodine 131 takes 8 days and is deadly as well. While you are right the half-life is not everything, I wouldn't say its exaggeration. When it comes to radioactivity cautious is essential