Animation sites:
- Eccentric
- Epicycle-Deferent 1 (retrograde motion)
- Epicycle-Deferent 2 (retrograde motion)
- Epicycle-Deferent 3 (shows ellipse equivalence)
- Equant
Researching ... Learning ... Writing ... Listening ... Thinking ... Teaching



Animation sites:
Dr. MacPherson to present
“Rediscovering Life, Liberty, and the Pursuit of Happiness: Eighteenth-Century Solutions for Twenty-first Century Problems,”
Athanatos Apologetics Conference, April 19, 2012