OUTDATED REVOLUTION
intro
Ptolemy to Copernicus
fall rate discovery
mass x mass = what?
construed reversal
balloon analogy
mass = mass
moving gravity fields
rotating gravity fields
a Pi bedtime story
ingredients of life
****Week Fifty Seven
CONTACTING YOUR LEADERS
intro
Ptolemy to Copernicus
fall rate discovery
mass x mass = what?
construed reversal
balloon analogy
mass = mass
moving gravity fields
rotating gravity fields
a Pi bedtime story
ingredients of life