FOR PROFESSORS OF CONSCIENCE
  • intro
  • Ptolemy to Copernicus
  • fall rate discovery
  • mass x mass = what?
  • construed lunar reversal
  • balloon analogy
  • mass = mass
  • moving gravity fields
  • rotating gravity fields
  • a Pi bedtime story
  • give democracy a chance
  • intro
  • Ptolemy to Copernicus
  • fall rate discovery
  • mass x mass = what?
  • construed lunar reversal
  • balloon analogy
  • mass = mass
  • moving gravity fields
  • rotating gravity fields
  • a Pi bedtime story
  • give democracy a chance