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Reposted by Leo C. Stein

Kevin Gannon (now a Moo Deng fan account) @thetattooedprof.bsky.social · 5h

There's so much institutional rot right now, but it's been led by the supreme court, which has been and continues to be, illegitimate. Yet we're proceeding as if that body-with 3 stolen seats and justices whose corruption is a matter of public record-remains the arbiter of constitutionality. Insane

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Kevin Gannon (now a Moo Deng fan account) @thetattooedprof.bsky.social · 5h

Norms are nothing but tissue paper when there's a political faction that doesn't give a shit about them. Clinging to norms in this moment isn't just bringing a knife to a gunfight, it's wearing a clown suit while doing so

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Reposted by Leo C. Stein

Ruth Delgado @heylookitsruth.bsky.social · 1d

A mom in Houston reported her 15-year-old son with autism missing. She spent 6 days terrified, searching for him. The whole time, Houston police knew exactly where he was since they helped ICE place him in a refugee facility.

This is beyond cruel.
www.houstonchronicle.com/news/houston...

Missing teen with autism transferred to refugee facility by HPD

He is currently being held at an Office for Refugee Resettlement facility.

www.houstonchronicle.com

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Leo C. Stein @duetosymmetry.com · 2d

How has he even heard what a dial-up modem sounds like??

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Caitlin G. DeAngelis @caitlindeangelis.bsky.social · 2d

ICE kidnapped a 7th-grader with a pending asylum claim and spirited him out of state without notifying his parents, seemingly with the cooperation of the local police in Everett, MA.

www.bostonglobe.com/2025/10/12/m...

Everett 13-year-old arrested by ICE and sent to Virginia detention facility
By Marcela Rodrigues Globe Staff,Updated October 12, 2025, 44 minutes ago

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A 13-year-old boy was arrested by ICE in Everett and sent to a juvenile detention facility in Virginia.
A 13-year-old boy was arrested by ICE in Everett and sent to a juvenile detention facility in Virginia.
A 13-year-old boy was arrested by Immigration and Customs Enforcement agents in Everett after an interaction with members of the Everett Police Department and sent to a juvenile detention facility in Virginia, according to his mother and immigration lawyer Andrew Lattarulo.

The boy’s mother, Josiele Berto, was called to pick her son up from the Everett Police Department on Thursday, the day he was arrested. After waiting for about an hour and a half, she was told her son was taken by ICE, Berto told the Globe in a phone interview.

“My world collapsed,” Berto said in Portuguese.

From the police department, the boy was taken to ICE’s holding facility in Burlington on Thursday evening, where he spent a night before being transferred by car to the Northwestern Regional Juvenile Detention Center in Winchester, Va., on Friday morning, his mother said. The juvenile facility is more than 500 miles away from Everett.

The boy is a 7th-grader at Albert N. Parlin School in Everett, his mother said. The teen and his family, who are Brazilian nationals, have a pending asylum case and are authorized to work legally in the United States, Lattarulo said.

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jamelle @jamellebouie.net · 3d

a key thing about vought — and all of these guys — is that they have a totally top down and hierarchical vision of the world. they believe that the cultural changes they hate can be turned off by destroying the federal government because they can’t imagine that they emerged bottom-up in society

Thomas Zimmer @thomaszimmer.bsky.social · 3d

What he’s railing against is a profound shift in culture, status… He’s obsessed with the idea that America is controlled by a leftist “ruling elite” - but “elite” isn’t defined socio-economically or by political power, it means something like: Getting to define “real America” and who gets to belong.

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Kevin M. Kruse @kevinmkruse.bsky.social · 3d

In the last week, Donald Trump has insisted that there are no more stores left in war-ravaged Portland, asserted that Joe Biden was president during the January 6th insurrection, hosted conspiracy theorists for an "Antifa" summit, and said he'd consider pardoning his good friend the sex trafficker.

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Mississippi Free Press @mississippifreepress.org · 3d

The indictments of James Comey and Letitia James came after the Trump administration fired Erik Siebert, the veteran prosecutor who had overseen the investigations, and replaced him with Lindsey Halligan, who was once Trump's personal lawyer but never worked as a federal prosecutor.

New York AG Who Beat Trump in Court Indicted at His Urging

New York Attorney General Letitia James was charged as part of a mortgage fraud investigation pushed by the Trump administration.

buff.ly

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Leo C. Stein @duetosymmetry.com · 4d

sniff sniff, my nose is dripping

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Reposted by Leo C. Stein

NPR @npr.org · 4d

JUST IN: The Trump administration says it has started the process of issuing reduction-in-force notices to federal employees. It’s not clear how many workers are affected.

White House says 'substantial' layoffs of federal workers have begun, with few details

The Trump administration says it has started the process of issuing reduction-in-force notices to federal employees. It’s not clear how many workers are affected.

n.pr

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Reposted by Leo C. Stein

APS Gravity—DGRAV @dgrav.org · 5d

Congratulations to Anamaria Effler, Sam Gralla, and Brian Lantz, who were elected Fellows of the APS, nominated by DGRAV!

1/3 🧪⚛️

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Leo C. Stein @duetosymmetry.com · 6d

I remember ours started with Legendre function identities!!!

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Leo C. Stein @duetosymmetry.com · 6d

I once lived with a film buff physicist!!!

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Reposted by Leo C. Stein

Yvette Cendes @whereisyvette.bsky.social · 6d

Are you interested in working on astronomical transients/ radio astronomy, all while exploring the beautiful Pacific Northwest on your weekends? I'm hiring a postdoc! Come work for me!

aas.org/jobregister/...

Please get in touch if you have any questions!

🔭🧪🎢

Postdoctoral Positions in Time-Domain Astronomy | American Astronomical Society

The department of Physics and Astronomy at the University of Oregon invites applications for a postdoctoral scholar to work with Prof. Yvette Cendes in the field of time-domain astrophysics. This inc...

aas.org

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Leo C. Stein @duetosymmetry.com · 6d

engineering (derogatory) 😉

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Leo C. Stein @duetosymmetry.com · 6d

Also in Caltech News! www.caltech.edu/about/news/c...

Catalog of Simulations of Black Hole Collisions Expands

A collaboration between physicists at Caltech and other institutions has released an expanded and refined catalog of simulations of black hole mergers.

www.caltech.edu

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Leo C. Stein @duetosymmetry.com · 6d

And now UMiss News wrote about our latest catalog paper! olemiss.edu/news/2025/01...

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Leo C. Stein @duetosymmetry.com · 7d

Sorry in advance to John, but IMO Baez+Muniain is good after you've already had a first course in GR and want a deeper mathematical understanding. For more intuition I'd say something more like Carroll or (my bias showing) MTW!

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Leo C. Stein @duetosymmetry.com · 7d

There are also nice diagrams trying to show the algebraic and differential Bianchi identities (nice one in Baez + Muniain!)

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Leo C. Stein @duetosymmetry.com · 7d

There are diagrams in MTW trying to help visualize what it means to eat a 2-area and produce an infinitesimal rotation (result of parallel transport). Or you can think of it as an eigenvalue problem in the space of 2-forms, which is sometimes easier to visualize

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Leo C. Stein @duetosymmetry.com · 7d

Fair, but not every rank-p tensor is the same! We have different ways of visualizing the Maxwell field strength tensor and the gravitational strain, both rank 2.

I don't have a rank 3 tensor jumping to mind, but for rank 4 we have Riemann. And there are definitely approaches for Riemann!

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Reposted by Leo C. Stein

John Pfaff @johnpfaff.bsky.social · 7d

Um, ICE just coldly shot an unarmed PRIEST in the head w a pepper ball when he (and everyone around him) clearly posed no threat.

For the crime of … complaining about government policy.

Core 1A speech.

With cameras rolling, they’re sniping priests for sport.

Kurt @flglchicago.bsky.social · 7d

Here’s video of the incident

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Leo C. Stein @duetosymmetry.com · 7d

I still try to use imagery to try to intuit what's happening in higher dimensional space. I have just learned that my low-d intuition needs to be overridden a lot!

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Leo C. Stein @duetosymmetry.com · 7d

Eventually, intuition just means "has done enough similar calculations to guess how this one should go".

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Leo C. Stein @duetosymmetry.com · 7d

Once you got the idea — which you clearly did — it's all just practice!

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