Radiation

General Information

• Collection of online resources of radiation

Nuclear Radioactivity Experiments

• Reference: Units and safety of nuclear radiation (by Matthew Wong, Y.W. Wong and C.W. Ong, Dept of Applied Physics, The Hong Kong Polytechnic University)
  

參考: 核輻射的單位和安全標準 (作者：黃文翰，黃元華及王聰和, 香港理工大學應用物理學系)

• Experiment: Absorption of beta-radiation in aluminum (by Matthew Wong, Y.W. Wong and C.W. Ong, Dept of Applied Physics, The Hong Kong Polytechnic University)
  
• Experiment: Inverse square law of radiation (intensity-distance dependence) (by Matthew Wong, Y.W. Wong and C.W. Ong, Dept of Applied Physics, The Hong Kong Polytechnic University)
  
• Experiment: Cloud (Wilson) chamber and observation of ionization tracks (by Matthew Wong, Y.W. Wong and C.W. Ong, Dept of Applied Physics, The Hong Kong Polytechnic University)
  
• Operation Manual: Rad-1-Cloud_Precipitation-v1 (by Matthew Wong, Y.W. Wong and C.W. Ong, Dept of Applied Physics, The Hong Kong Polytechnic University)
  

Co-WIN seminar

• Understanding Common Nuclear Radiation Units Used in Mass Media(by Leung Tsun Kin, Dept of Applied Physics, The Hong Kong Polytechnic University)

• Simplified Computation on Nuclear Decay (by Ji Yufei, Dept of Applied Physics, The Hong Kong Polytechnic University)
• General discussion on the Daya Bay Contingency plan(大亞灣應變計劃的通識討論) (by Wong Pik Yu, Dept of Applied Physics, The Hong Kong Polytechnic University)
  
• Radiation measurement and protection (4 June 2011)
  

Videos of cloud chamber experiments

Ionization track using gas mantle as the radioactive source

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Ionization track using thoriated tungsten welding electrode as the radioactive source

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Artificial precipitation

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