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Gregory A Good @geocosmohistory.bsky.social · 18/09/2026

My article "Disciplinary Structure of Physical Geosciences" from the online reference work _Comprehensive Philosophy of Science_ is now available. The full work will be published in 2027, but if you send me an email request I can send my article to you now.

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Alix Hui @alixhui.bsky.social · 11/09/2026

Trying so hard to not shout BUT OUR BOOK COVER IS UP SO I CAN FINALLY POINT YOU ALL TO THE MOST GRATIFYING COLLABORATIVE PROJECT EVER. @emilypawley.bsky.social Head over on Nov 17th for the OA version &/or NOW to preorder it: mitpress.mit.edu/978026205625... #envhist #envhum #hisSTM #skystorians

mitpress.mit.edu

A Historian's Handbook for Saving the World

The work of historians is vital to this moment. As climate debates shift from “believing the science” to fighting for the massive changes needed ...

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Gregory A Good @geocosmohistory.bsky.social · 26/08/2026

The NSF source of funding for two projects that boosted my research no longer funds history of science. DOUR news indeed for scholars

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History of Geology @historyofgeology.bsky.social · 05/08/2026

August 5, 1831, Charles Darwin and Adam Sedgwick embark on a geologizing tour through Wales 🏴󠁧󠁢󠁷󠁬󠁳󠁿 where Darwin practices rock identification, strata measurements & coloring of a map 🔎🪨🧭🗺️

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Gregory A Good @geocosmohistory.bsky.social · 29/07/2026

The 7th #AIP Early Conference for History of the Physical Sciences CFP is out!

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Alisa Bokulich @alisabokulich.bsky.social · 23/07/2026

After a year+ under review (no fault of @philscijournal.bsky.social) I am happy to finally share as forthc my paper "Peirce, Abduction, & Inverse Problems in the Geosciences" doi.org/10.1017/psa.... (2/3 had to be cut to fit word limit, but is part of my ever in-progress book) #HPS #phigeo #philsky

DOI: 10.1017/psa.2026.10263
This is a manuscript accepted for publication in Philosophy of Science.
This version may be subject to change during the production process.
Peirce, Abduction, and Inverse Problems in the Geosciences
Alisa Bokulich
Department of Philosophy, Boston University, Email: abokulic@bu.edu
Abstract
Charles Peirce's most well-known contribution to logic and scientific methodology is his account of abduction. However, what exactly Peirce meant by abduction is subject to perennial dispute. My aim in this paper is two-fold: First, I interpret Peirce's abduction through the lens of his research in geophysics and argue this supports interpreting it as a kind of inverse modeling. Second, I show that the methods Peirce outlined for managing the underdetermination of abductive inferences are the same as those deployed by geoscientists to manage the nonuniqueness of geophysical inversions. I conclude by emphasizing the value of reintegrating Peirce-the-Philosopher with Peirce-the-Geoscientist.
Acknowledgement
This paper is dedicated to the memory of George E. Smith (1938-2024)—a wonderful scholar, mentor, and friend whom we lost too soon. It was George's lecture on using seismology to probe the interior of the Earth that helped open up the new subfield of philosophy of seismology and that first inspired me to write this paper.

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Gregory A Good @geocosmohistory.bsky.social · 22/07/2026

I have access to digitized books through my university library, but what about people without a university affiliation? Digital orphans: Here are some sources of primary docs -- with some restrictions. Project Gutenberg Project Muse Google Books Internet Archive Any others? Photo for example

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Gregory A Good @geocosmohistory.bsky.social · 18/07/2026

I made it safely home to find the skies full of smoke. Mayhem and bedlam! Edinburgh is in the rear view mirror. Thanks to everyone who pulled that complicated, splendid conference together! #ESHS-HSS

A selfie of a person (me) in front of a sign that says "Welcome to Bedlam"

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BSHS @bshsnews.bsky.social · 17/07/2026

That was a fantastic conference in beautiful Edinburgh! #ESHS-HSS A huge Thank You to all, from the organisers to the venues' staff, for making a gathering of this challenging size possible! 🙏 Safe travels home and feel free to share your impressions and highlights below.

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Gregory A Good @geocosmohistory.bsky.social · 17/07/2026

Goodbye Edinburgh, goodbye #ESHS-HSS See you again!

A landscape with old stone buildings, wooded hillside, and Edinburgh Castle, with a bit of hazy, lighted sky across the top

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Gregory A Good @geocosmohistory.bsky.social · 14/07/2026

To celebrate completing our conference session, I hiked with my friend Ernie to the top of Arthur's Seat, the volcanic remnant that towers over Edinburgh. #ESHS-HSS

Ernie standing beside the summit plinth atop Arthur's Seat in Edinburgh

A panorama of the crowd on the summit of Arthur's Seat

A mountain called Arthur's Seat towers above Edinburgh. Foreground of y'all grasses

Edinburgh Castle as seen from atop Arthur's Seat. Hazy atmosphere

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Gregory A Good @geocosmohistory.bsky.social · 14/07/2026

Our session on the local and global in the geosciences went well this morning at #ESHS-HSS, with great questions. If you were in the audience and have more questions or feedback, post them to me here.

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Mar Hicks @histoftech.bsky.social · 13/07/2026

Tweet so good I printed it out and put it on my wall. I referred to it in a conference talk today @hypervisible.blacksky.app

Tweet

quantified (br)other @hypervisible
When you say "no one knew" with regard to tech, what that almost. always means is "I wasn't listening."

4:10 PM • 3/29/21: Twitter Web App
143 Retweets 21 Quote Tweets 798 Likes

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Rebekah Higgitt @rhiggitt.bsky.social · 12/07/2026

Hello everyone using #HSS2026 and #ESHS2026 hashtags. Remember that it's a joint meeting! We're using #ESHS-HSS

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Gregory A Good @geocosmohistory.bsky.social · 12/07/2026

Dinner within a few hundred yards of my room tonight at the University of Edinburgh, The Abacus. Explore the city on other nights. #ESHS-HSS

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Gregory A Good @geocosmohistory.bsky.social · 12/07/2026

I am registered now for #ESHS-HSS and cooling my heels at registration, looking for a lunch partner. Hours until check in and bags in tow

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Gregory A Good @geocosmohistory.bsky.social · 11/07/2026

I have arrived in Edinburgh for the History of Science meeting, crashing after the usual overnight flight and transfer. Out again in the evening. Who is here?

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Will Thomas @williamthomas.bsky.social · 10/07/2026

In today's AIP History Weekly Edition, we sifted through the mammoth program for the ESHS/HSS meeting in Edinburgh next week to highlight talks related to the history of the modern physical sciences. It's a lot, and there was much we didn't cover. Full program here: hssonline.org/page/Edinbur...

aip.org

Conference spotlight: ESHS/HSS Edinburgh

AIP History Weekly Edition: July 10, 2026

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Simone Gingrich @simonegingrich.bsky.social · 10/07/2026

The next European environmental history conference @eseh.bsky.social will be in Salzburg, Sept. 2027! Focusing on inter- and transdisciplinarity, it explicitly invites contributions from neighbouring fields 👉 eseh.org/cfp-14th-bie... #envhist @zug-wien.bsky.social @bokusec.bsky.social

eseh.org

CfP: 14th Biennial European Society for Environmental History (ESEH) Conference – European Society for Environmental History

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Gregory A Good @geocosmohistory.bsky.social · 10/07/2026

All packed for the History of Science meeting in Edinburgh. Sessions picked, emails sent. Now all I need is closure on my presentation!

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Michael D. Barton @darwinsbulldog.bsky.social · 30/06/2026

Janet Browne's new condensed and updated single volume biography of #CharlesDarwin is out today, from @princetonupress.bsky.social. Time to get reading! #HPS #histsci #Darwin #books #evolution

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Edward Guimont @eguimont.bsky.social · 15/06/2026

First issue of Endeavour under the purview of @sarahmpicks.bsky.social and myself is up! www.sciencedirect.com/journal/ende...

sciencedirect.com

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Gregory A Good @geocosmohistory.bsky.social · 08/06/2026

I recently started as an Advisory Board member at WVU Press. I get to read a wide variety of manuscripts brought to us by the editors. What a wonderful opportunity i have to witness creative writing in memoirs, histories, and fiction! #WVUPress

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Will Thomas @williamthomas.bsky.social · 04/06/2026

If you'd like to know more about John Trump, check out a brief profile I wrote on him in @physicstoday.aip.org a decade ago now. And for more on his many peers in the World War II milieu, check out my book, Rational Action.

physicstoday.aip.org

A profile of John Trump, Donald's oft-mentioned scientist uncle

The president’s uncle was an MIT physicist and engineer who made his mark in the development of high-voltage generators, World War II radar, and cancer therapies.

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jhokjournal.bsky.social @jhokjournal.bsky.social · 12/05/2026

And you can read Stefan's full JHoK article on Elsheimer's famous artwork here: journalhistoryknowledge.org/article/view...

journalhistoryknowledge.org

Imagining the Heavens: Adam Elsheimer’s Flight into Egypt and the Renaissance Night Sky | Journal for the History of Knowledge

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Ryan Dahn @ryandahn.com · 06/05/2026

Extremely proud to say that my new @physicstoday.aip.org feature article is live. In it, I explore the history and context of the rare interviews with J. Robert Oppenheimer recently made public by @aiphistory.bsky.social. physicstoday.aip.org/features/opp...

physicstoday.aip.org

Oppenheimer reflects on his early career

Interviews now available to the public bring the famed physicist’s lesser-known early years to life.

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Gregory A Good @geocosmohistory.bsky.social · 28/04/2026

The striking geological and other illustrations of Orra White Hitchcock (1796–1863)

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Sadiah Qureshi 🦈 @sadiahqureshi.bsky.social · 24/04/2026

Oooh. Adding this to the list of things to read when the semester is done.

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Harriet Fagerberg @harrif.bsky.social · 20/04/2026

Cambridge Department of History and Philosophy of Science are now on Bluesky! 🔭📚 @hpscambridge.bsky.social

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Will Thomas @williamthomas.bsky.social · 20/04/2026

Now available: David DeVorkin's April 17 Trimble lecture, "The Quiet Genius of George Carruthers." David's among the most skilled and prolific historians of astronomy we have. He's been through some ill health, so it was extra wonderful to have him with us. www.youtube.com/watch?v=8CEh...

Video still showing David DeVorkin, holding a microphone behind a laptop, dressed in a salmon polo shirt with a bowtie. An overlay states 'David DeVorkin, Senior Curator Emeritus, National Air and Space Museum"

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Casey Dreier @caseydreier.bsky.social · 15/04/2026

Don't miss my new op-ed on how space science is getting demoted to hitchhiker status at NASA: spacenews.com/put-science-...

spacenews.com

Put science back in the driver’s seat

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American Council of Learned Societies @acls1919.bsky.social · 16/04/2026

When public debate feels loud and shallow, we need disciplines that reward depth, evidence, and context. The humanities and social sciences train people to slow down, analyze, and think clearly. #TalkAboutHumanities #TalkAboutSocialSciences

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Gregory A Good @geocosmohistory.bsky.social · 15/04/2026

Seconded! McNeill's focus on technologies that had effects beyond local and regional environments to global is worth reconsideration. He broadens the discussion beyond climate change to other global issues to make it clear that global environmental concerns are wider than that, important as it is

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Gregory A Good @geocosmohistory.bsky.social · 15/04/2026

Happy World Quantum Day, from Physics Today

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Gregory A Good @geocosmohistory.bsky.social · 14/04/2026

IUCHPP The Inter-Union Commission for the History and Philosophy of Physics brings historians & philosophers of science together w/ physicists. It's an open group I worked w/ during my time as director of the Center for History of Physics at #AIP. Here are the people www.iuchpp.org/past-activit...

iuchpp.org

Conferences

These are some of the conferences that the IUCHPP has supported.

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Gregory A Good @geocosmohistory.bsky.social · 14/04/2026

Which academic presses still allow footnotes? Idle curiosity

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Gregory A Good @geocosmohistory.bsky.social · 09/04/2026

I published an article on the History of the Geosciences, on a long chronological view and a broad range of sciences. Both of these are dangerous to attempt, and I welcome feedback. If your institution subscribes to Oxford Research Encyclopedias you may get past a firewall doi.org/10.1093/acre...

doi.org

History of the Geosciences

Abstract. The geosciences constantly grow in scope. Their interactions with other sciences enrich their methodologies and inquiries. The origins of geology

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Johan Östling @johanostling.bsky.social · 09/04/2026

Last October, we organised the second History of Knowledge Conference in Lund. It has now been confirmed that the third conference in this series will be held in Utrecht on 25–27 August 2027. Read more here: newhistoryofknowledge.com/2026/04/09/t...

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Gregory A Good @geocosmohistory.bsky.social · 03/04/2026

Disappearing data is a problem for historians, for time-domain sciences, and for policy. It's clearly a big problem in the US, but this could be anywhere.

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Gregory A Good @geocosmohistory.bsky.social · 31/03/2026

Reading climate data from earlier ages requires the insights of historians, too.

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Ryan Dahn @ryandahn.com · 27/03/2026

this comic is a very cool example of the new types of things we're trying out at @physicstoday.aip.org. check it out!

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IHPST | University of Toronto @ihpst-uoft.bsky.social · 24/03/2026

📣 Q&A via the American Institute of Physics @aip.bsky.social IHPST PhD Julia Menzel on Kenneth Wilson, the renormalization group & supercomputing. A sharp look at how physics, policy & institutions reshaped each other. 🔗https://www.aip.org/history/q-a-julia-menzel #histsci #physics

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Ele Willoughby @minouette.bsky.social · 23/03/2026

Happy birthday Pierre-Simon, marquis de Laplace (23 March 1749 – 5 March 1827), French mathematical physicist (who incidentally, did invaluable work in geophysics). 🧪🐡🧮🎢 #histsci He was pretty hard-headed and probably didn’t really have any imaginary friends, but nonetheless Laplace’s Demon is my

My linocut print of Laplace’s Demon. The demon, who looks like Laplace with giant long-horn cattle horns seated in the lotus position with his palms together as in prayer, is printed in black. Between his horns is space in black with comets, galaxies, stars and planets carved away showing in white. Around him are deep yellow radiating triangles and the words “Laplace’s Demon” following the shape of the horns.

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