Tegmark’s Level II Multiverse: bubble universes

I recently finished reading Max Tegmark’s latest book, ‘Our Mathematical Universe‘, about his views on multiverses and the ultimate nature of reality.  This is the second in a series of posts on the concepts and views he covers in the book.  Tegmark postulates four levels of multiverse.   In the first post of this series, I described Termark's Level I … Continue reading Tegmark’s Level II Multiverse: bubble universes

Visualization of ancient cosmological models

Just to keep the discussion of the posts I'm doing on cosmology in context: As part of Topoi 1, Group-D, Sebastian Szczepanski and I developed software for the visualization of ancient cosmological theories. These included the 4th cent. BCE planetary models of Eudoxus, Aristotle, and Calippus, as well as the basic planetary models of Ptolemy’s Almagest. … Continue reading Visualization of ancient cosmological models