The Boulder Cosmology Group meets 6PM to 8PM for DVD lectures on the Second and Fourth Wednesdays of the month and reading discussions on Third Mondays at the Main Library. All meetings are free and open to the public. (Monday discussions are usually in the second-floor Flatirons Room and Wednesday lectures in the first-floor Boulder Creek Room). Dates and locations are subject to change. Changes from the normal pattern are noted below.
Note: While the library is closed because of coronavirus, keep up with the Wednesday Lectures on your own at home, and conference with Zoom for the Monday book discussions.

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

2021   Second and Fourth Wednesdays: DVD Lectures will resume when we are able to meet in the libray's Boulder Creek Room.

We will watch the 30 minute lectures using an “interruptus” format: at any point during the lecture anyone in the group can say stop and ask a question and the rest of the group will attempt to answer the question before proceeding. We will attempt to cover two lectures in each meeting. If we don't have time the next DVD lecture meeting will start with the second lecture (and this schedule will be adjusted).


Expected Schedule with Monday book discussions flagged in bold:

January 13, 2021
DVD Lectures - TBD.

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.

November 15, 2021 Book Discussion: Helgoland: Making Sense of the Quantum Revolution, by Carl Rovelli. Part III.

December 20, 2021 Book Discussion: TBD.

For more information, e-mail Bill (bill4gb AT gmail DOT com) or call him at 3.449.4136.

This is http://www.sackett.net/cosmology.htm, last updated September 3, 2021.