Recent content by johnhb

  1. J

    Why Is the Angle Between Hydrogen Atoms in Water Molecules 105 Degrees?

    Thank you, Dr.Dru, but I was wondering why the angle is 105 deg? John
  2. J

    Why Is the Angle Between Hydrogen Atoms in Water Molecules 105 Degrees?

    In "Six Easy Pieces", Chapter 1, Richard Feynman discusses how the angle between hydrogen atoms in a water molecule is 105 deg. Why is this? Would it be the same for a heavy water molecule? John
  3. J

    How bright are radio and other EM signals?

    Is there a limit as to how intense electromagnetic radiation can be?
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