John Elton McFee General Physics, Subatomic Particles, Optics, Biophysics, Theoretical Physics

Expert on detection of landmines and explosives

The Story

McFee is Head of the Threat Detection Group at Defence R&D Canada - Suffield. His research interests are in a wide range of technologies for detection of landmines, unexploded ordnance and improvised explosive devices, including nuclear methods, hyperspectral imaging, pattern classification and image analysis. He is a member of the Canadian Association of Physicists, the International Society for Optical Engineering (SPIE) and Union Radio-Scientifique Internationale (URSI) Commissions B and F.

The Person

Medicine Hat, Alberta
Defence Scientist
Defence Research and Development Canada - Suffield
  • PhD (Nuclear Physics), McMaster University, Hamilton, Ontario
  • BSc Honurs Physics, University of New Brunswick
  • John S. Hewitt Award from the Canadian Nuclear Society, 2000
Last Updated
August 4, 2005

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question #2700

I have a physics paper here (don't worry i am not asking you for the answers!) that says each U-235 fission releases 206MeV like this: Fission Fragmens: 166 Gamma photons : 15 antineutrinos: 12 beta particles: 8 neutrons: 5 from this I see that only 15Mev is really released as usable energy, the fragments are obviously still atoms, the antineutrinos just fly off somewhere, the beta particles are just electrons that will get absorbed somewhere and the neutrons hang around to initiate more fissions. Also I see no heat being produced. So what is used in nuclear reactors to boil the water?

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