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
personal
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