Dangers of nuclear radiation

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  • Dangers of Nuclear Radiation
    • Damage to cells and tissue
      • Beta and gamma radiation penetrate through skin causing them hazardous. Alpha radiation passes through skin
        • If alpha inside skin - very dangerous. Do damage in small area
        • Radiation collide with molecules in cells which causes ionisation. Damage cells
          • Lower rates of ionisation causes Mutation- uncontrol cell division - cancer
          • Higher radiation - kill cells - radioactive sickness
    • Irradiation
      • Radiation exposion - does not make object radioactive if they are exposed
        • Reduce risk - keep inside different room , use remote control monitor. Used lead lined boxes
    • Contamination
      • Unwanted radiation - e.g touch radioactive source with gloves
        • Atoms decay - causing harm
        • Dangerous as they can get inside your body
        • Gloves and tongs used when handling contminated sources to protect skin
        • use masks prevent breathing in radioactive particles
    • Radioactive waste
      • Most come from power stations
        • High level waste stay in world long time. Very dangerous.
          • Sealed in glass blocks or buried underground for protections
            • Very difficult to do so as area have to be geologically stable  as well as places big rocks movements cause radioactive leakage
            • radioactive waste leak out - contaminate rivers - drinking water dirty
      • Low level waste e.g clothes , syringes. Easily disposed in landfills

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