In 2021, due to the continuing Covid pandemic, the Boulder Cosmology Group met remotely using Zoom from 6PM to 8PM for reading discussions on Third Mondays. All meetings were free and open to the public. Dates and locations changed from the normal pattern were noted below.

See http://www.sackett.net/cosmologyAll.htm for a list of all meetings of the Cosmology Group since it began in 2003.

January 18, 2021 Book Discussion: The Order of Time, by Carl Rovelli.
Susan suggests https://arxiv.org/pdf/1802.02382.pdf as a summary of Rovelli's ideas on Time and Reality.
Peter suggests fruitful links from Rovelli's endnotes http://sackett.net/PeterRovelliTimeLinks.htm.

February 15, 2021 Book Discussion: Quantum: Einstein, Bohr, and the Great Debate about the Nature of Reality, by Manjit Kumar. Chapters 1 through 8.
Notes from Dave Peterson: http://sackett.net/QUANTUMNotes.pdf.

March 15, 2021 Book Discussion: Quantum: Einstein, Bohr, and the Great Debate about the Nature of Reality, by Manjit Kumar. Chapters 9 through 15.
Notes from Dave Peterson: http://sackett.net/QUANTUMNotes.pdf.

April 19, 2021 Book Discussion: Quantum Ontology, by Peter J. Lewis. Introduction and Chapters 1 through 4.
Link to the book. Notes from Dave Peterson: http://sackett.net/QuantumOntologyNotes.pdf.

May 17, 2021 Book Discussion: Quantum Ontology, by Peter J. Lewis. Chapters 5 through 9.
Reference: Einstein's papers and letters in German and translated to English - https://einsteinpapers.press.princeton.edu/papers.

June 21, 2021 Book Discussion: Subtle is the Lord: The Science and the Life of Albert Einstein, by Abraham Pais. Chapters 1 through 6.
Reference: Einstein's papers and letters in German and translated to English - https://einsteinpapers.press.princeton.edu/papers.

July 19, 2021 Book Discussion: Subtle is the Lord: The Science and the Life of Albert Einstein, by Abraham Pais. Chapters 7 through 14.
Reference: Einstein's papers and letters in German and translated to English - https://einsteinpapers.press.princeton.edu/papers.

August 16, 2021 Book Discussion: Subtle is the Lord: The Science and the Life of Albert Einstein, by Abraham Pais. Chapters 15 through 20.
Reference: Einstein's papers and letters in German and translated to English - https://einsteinpapers.press.princeton.edu/papers.
Notes from Dave Peterson: http://sackett.net/PaisNotesFromDave.pdf.

September 20, 2021 Book Discussion: Subtle is the Lord: The Science and the Life of Albert Einstein, by Abraham Pais. Chapters 21 through 32.
Reference: Einstein's papers and letters in German and translated to English - https://einsteinpapers.press.princeton.edu/papers.
Notes from Dave Peterson: http://sackett.net/PaisNotesFromDave.pdf.
Links from Chela about Dirac: http://sackett.net/DiracLinks.htm.

October 18, 2021 Book Discussion: Helgoland: Making Sense of the Quantum Revolution, by Carl Rovelli. Parts I and II.
Questions from Dave Peterson: http://sackett.net/RovelliRelationalQuantumMechanicsQuestions.pdf.

November 15, 2021 Book Discussion: Helgoland: Making Sense of the Quantum Revolution, by Carl Rovelli. Part III.
Stanford Encyclopedia of Philosophy article on Relational Quantum Mechanics.

December 20, 2021 Discussion: The Renninger Thought Experiment.
Links to materials and commentary from Peter at http://sackett.net/RenningerLinks.pdf.

For more information, contact Bill at 3.449.4136.

This is http://www.sackett.net/cosmologySchedule2021.htm, last updated April 15, 2022.