Nostr notes by Michael Busch

I continue to wonder where the push for these blanket bans on ...

2026-06-15T14:58:03Z

In reply to nevent1q…4czn
_________________________

I continue to wonder where the push for these blanket bans on social media, cell phones, etc. are coming from.

Since they manifestly do not help anyone.

Today in the Planetary Science Journal: Schettino & Rossi ...

2026-05-18T00:30:20Z

Today in the Planetary Science Journal:

Schettino & Rossi 2026, "Potential Interaction of 99942 Apophis with the High Earth Orbit Population during the 2029 Close Approach" - https://iopscience.iop.org/article/10.3847/PSJ/ae5dc3

Please do not put any orbital debris where #Apophis might run into it.

Software vendor: "Use our new generative AI tools." Also ...

2026-05-14T20:18:58Z

Software vendor: "Use our new generative AI tools."

Also software vendor: "Scammers are using generative AI to try to steal from you."

You could simply have not have hyped the "AI" slop generator in the first place...

Regarding what burning up Starlinks can do to stratospheric ...

2026-05-11T21:14:39Z

In reply to nevent1q…7zl2
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Regarding what burning up Starlinks can do to stratospheric ozone, refer to Ferreira et al. 2024 - https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024GL109280 .

And since SpaceX and similar groups assume continued frequent rocket launches to keep replacing the things, refer also to Revell et al. 2025 about rocket exhaust and the ozone layer: https://www.nature.com/articles/s41612-025-01098-6 .

The effects persist for decades.

Link to Törnqvist et al. 2026. ...

2026-05-11T05:49:15Z

In reply to nevent1q…sglp
_________________________

Link to Törnqvist et al. 2026.

https://social.coop/@ZaneSelvans/116553928668601180

quoting
note1uw6…2250

Paper up here:

https://www.nature.com/articles/s41893-026-01820-z.epdf?sharing_token=36uzfydAffUjYyYn9S4TEtRgN0jAjWel9jnR3ZoTv0MlKJdRcTWB_eBmhQntD4aKg460oCdZdOh3l4vKQm2tKuPh7ec8sehTAOxp3V_JugAeLgWJrG-MdYTj-MsnWobeclnul44WJnF2OPW-3MJACX31iAYWL814or6M7c0B36A2wzjlS6T6oeSsKCNbqGvkqmrxfZHK5UVsF5DrfvtMDKffHcjMsSAU5M8M1nPXXWc%3D&tracking_referrer=www.theguardian.com

Duffy's blatant lie is apparently based on an executive order ...

2026-04-22T00:26:26Z

In reply to nevent1q…6rkk
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Duffy's blatant lie is apparently based on an executive order by Donald Trump that purports to end the prohibition on commercial supersonic flight over the United States (which is why the Concorde only flew into New York and Dulles).

Checking, Boom Aero lobbied Trump last year to do that.

I am reminded that while there is value to quoting just how ...

2026-04-21T21:37:27Z

In reply to nevent1q…vf24
_________________________

I am reminded that while there is value to quoting just how absurd and blatant the lies and propaganda are, they really do need to be preceded and followed by the actual facts.

Otherwise, posts like Aaron Rupar's are simply stenography.

There are exactly zero commercial supersonic aircraft in ...

2026-04-21T21:27:08Z

There are exactly zero commercial supersonic aircraft in production and have not been for well over 20 years.

Nobody wants them.

Sean Duffy is simply blatantly lying, again.

But I am wondering who prompted this particular outrageous nonsense by Duffy and Trump.

QT Aaron Rupar @atrupar.com‬
2026 April 21

... Sean Duffy: "We're on the cusp of bringing back land-based supersonic flight. So supersonic flight from LA to New York in two and a half hours. Wild."
https://bsky.app/profile/atrupar.com/post/3mjznl3efu22l

If you should want another way to get planetary scientists to ...

2026-04-16T16:34:10Z

In reply to nevent1q…mm55
_________________________

If you should want another way to get planetary scientists to argue, here is another question:

Is Mercury a comet?

Today in Research Notes of the AAS: Lin & Sie 2026, ...

2026-04-16T16:32:30Z

Today in Research Notes of the AAS:

Lin & Sie 2026, "Mercury: A Planet by Solar Proxy?" - https://iopscience.iop.org/article/10.3847/2515-5172/ae5e75

Provocative title aside, the interesting thing here is the review of how fast volcanoids get destroyed:

Tens of thousands of years for ~1 km objects and hundreds of thousands of years for ~100 m ones at 0.387 au.

Is there confirmation that none of the flashes were recorded? I ...

2026-04-14T16:31:16Z

In reply to nevent1q…kw9x
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Is there confirmation that none of the flashes were recorded?

I had thought that the external monitoring cameras were running nearly continuously, just with the video recorded to onboard storage rather than downlinked?

I ask because camera recordings would distinguish between actual impact flashes and phosphenes from cosmic ray hits to the crew's eyeballs.

The IAU naming conventions have often been justifiably critiqued. ...

2026-04-13T17:44:45Z

In reply to nevent1q…pety
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The IAU naming conventions have often been justifiably critiqued.

There is also a quota, because the working group can only consider so many names.

And while names may be assigned, everyone can ignore them and call things by other names instead (as has happened with exoplanets).

For those unaware: There are internationally-agreed upon ...

2026-04-13T17:43:01Z

For those unaware:

There are internationally-agreed upon conventions for naming things in space.

Here is the convention for the Moon:

https://planetarynames.wr.usgs.gov/Page/Categories#the-moon

Anyone can suggest a name, which gets sent over to the relevant International Astronomical Union working group.

SpaceX takes out massive loans to litter low Earth orbit with ...

2026-04-11T21:05:14Z

SpaceX takes out massive loans to litter low Earth orbit with Starlinks, running up interest.

Then SpaceX says "If you ignore all of the costs from building the Starlinks, they are making money. Give us your cash so we can further mess up the sky."

Quite the scam.

I read people disappointed there was not more science done on the ...

2026-04-11T01:26:45Z

I read people disappointed there was not more science done on the flight around the Moon.

There was a plan to combine asteroid science, asteroid deflection, and space resources work with Orion spacecraft tests in lunar orbit.

Donald Trump & Republicans then in Congress canceled that plan in 2017.

#Apophis will be flying by Earth, closer than the geosynch ...

2026-04-09T19:18:20Z

In reply to nevent1q…phcn
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#Apophis will be flying by Earth, closer than the geosynch satellites, just about exactly 3 years from now.

OSIRIS-APEX already is in the sky on the way to the asteroid to see exactly what happens.

And Trump appointees have now twice tried to shut it down.

Yet again, USA: Require that Congress ensure that NASA operate as ...

2026-04-09T19:15:31Z

Yet again, USA:

Require that Congress ensure that NASA operate as it has ordered. Instead of anything like what Donald Trump and those with him keep trying to do.

QT Emily J @emexastris.bsky.social‬
2026 April 9

The hidden cancelations of space missions in the NASA budget, via
@planetarysociety.bsky.social

Congress has already made clear they do not want to destroy our space program. The administration keeps trying.
https://planetary.s3.amazonaws.com/assets/pdfs/FY-2027-NASA-Budget-Request-List-of-Cancelled-Science-Missions.pdf

https://bsky.app/profile/emexastris.bsky.social/post/3mj3czbibic24

This is a reminder that UFOs are a social phenomenon based on ...

2026-04-05T13:27:24Z

This is a reminder that UFOs are a social phenomenon based on people misunderstanding things they see.

Nobody should pretend otherwise.

And it remains way past time for news media to stop giving a platform to Avi Loeb.a

There is a building like that along the Gold Line in Pasadena. ...

2026-03-31T16:02:03Z

In reply to nevent1q…a9fx
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There is a building like that along the Gold Line in Pasadena. The residents did not seem to mind.

I did not appreciate the trans allegory in "The Matrix" ...

2026-03-28T17:04:16Z

In reply to nevent1q…reek
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I did not appreciate the trans allegory in "The Matrix" until I read a piece by the Wachowskis explaining it.

But Musk continues to miss the point even after they explained it to him personally.

Jeff Bezos is supposedly a fan of "The Expanse". Which is ...

2026-03-28T16:32:52Z

In reply to nevent1q…gu9t
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Jeff Bezos is supposedly a fan of "The Expanse". Which is strange, since he is so obviously the villain of the series.

But there is nothing that someone will not miss the point of.

(See Elon Musk misunderstanding everything from "The Matrix" to The Culture novels.)

Counterpoint: Freedom 7 (for which there was never a Freedom 1-6, ...

2026-03-24T21:22:10Z

In reply to nevent1q…wlz5
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Counterpoint: Freedom 7 (for which there was never a Freedom 1-6, but because it was the McDonnell Model #7 capsule).

As you wrote, from the beginning NASA mission names have often been problematic.

Starfleet Academy would still work with a TNG-like model. The ...

2026-03-23T21:53:10Z

In reply to nevent1q…82c9
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Starfleet Academy would still work with a TNG-like model. The smaller number of episodes per season gives less opportunity for non-arc plots; of which there are plenty that could have been expanded on.

Paramount apparently continues to not understand Star Trek and ...

2026-03-23T17:19:09Z

Paramount apparently continues to not understand Star Trek and its fans.

https://gizmodo.com/star-trek-starfleet-academy-canceled-paramount-2000736976

The Starlinks have orbital inclinations 43° and up. So whenever ...

2026-03-22T02:03:34Z

In reply to nevent1q…3w7r
_________________________

The Starlinks have orbital inclinations 43° and up.

So whenever one re-enters at low latitude, it cannot be going mostly east-west.

The trajectory is wrong: ...

2026-03-22T02:00:37Z

In reply to nevent1q…c9mw
_________________________

The trajectory is wrong: https://fireballs.imo.net/members/imo_view/event/2026/1959 .

And there is a piece of the rock available.

When I first moved to Pasadena in '05, I learned it used to ...

2026-03-18T23:33:15Z

When I first moved to Pasadena in '05, I learned it used to be a prank to not tell new arrivals about the mountains north of town so that they would freak out on the rare clear days.

I am glad to have never had to breathe that.

QT Micah @rincewind.run‬
2026 March 18

I have lived in Los Angeles for nearly two decades and I have never experienced the kind of yellow smog that used to define this city

why? because we cleaned that shit up

none of this is beyond salvation
https://bsky.app/profile/rincewind.run/post/3mhe73h62kc2g

Windfall, Ohio is accidentally an appropriate name for a place to ...

2026-03-18T19:14:43Z

In reply to nevent1q…ly0v
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Windfall, Ohio is accidentally an appropriate name for a place to look for falling meteorites blown by the wind.

Strewn field map for the 2026 March 17 meteor over Ohio that is ...

2026-03-18T18:55:12Z

In reply to nevent1q…y8hm
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Strewn field map for the 2026 March 17 meteor over Ohio that is now named Windfall, accounting for strong winds blowing meteorites sideways: https://ares.jsc.nasa.gov/meteorite-falls/events/windfall-oh

The largest pieces may have gotten as far south and west as Rittman, with smaller pieces falling out further north and east.

Fireball reports from today's meteor over Lake Erie: ...

2026-03-17T15:37:28Z

Fireball reports from today's meteor over Lake Erie: https://fireballs.imo.net/members/imo_view/event/2026/1828.

Looks like any meteorites will have ended up on land on a line from east Cleveland to Akron; rather than landing in the lake.

QT Brandy Schillace @bschillace.brandyschillace.com‬
2026 March 17

if you are in #Cleveland or #northeast #Ohio, the National Weather Service has announced the giant BOOM *may* have been a meteor strike, as it was seen streaking the sky from Pittsburgh.
https://bsky.app/profile/bschillace.brandyschillace.com/post/3mhb3mqaz5k2k

That is not one that I have encountered. But I have found that ...

2026-03-15T14:59:56Z

In reply to nevent1q…vhku
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That is not one that I have encountered.

But I have found that "Staying Alive" no longer works as a reference for CPR cadence.

(Last time through training; I was told to use “Baby Shark” instead.)

I have lately had to explain to the undergraduate research ...

2026-03-15T13:33:22Z

In reply to nevent1q…u2cu
_________________________

I have lately had to explain to the undergraduate research students who Carl Sagan was.

Looking through the referenced paper ( ...

2026-03-12T16:06:05Z

In reply to nevent1q…utls
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Looking through the referenced paper ( https://acsjournals.onlinelibrary.wiley.com/doi/10.3322/caac.70067 ) and its references ( https://jamanetwork.com/journals/jama/article-abstract/2844189 ):

Part of why colon cancer is now the leading cause of cancer deaths among Americans younger than 50 is because while deaths from colon cancer have gone up; deaths from other cancers (lung cancer, leukemia, etc.) have gone way down.

Re. last repost of @tadethompson.bsky.social : I discovered a ...

2026-03-09T17:01:43Z

Re. last repost of @tadethompson.bsky.social :

I discovered a couple of days ago that Google Scholar has started indexing young-Earth creationist pseudoscience in with actual science.

So Google continues to both actively and passively degrade the value of their primary product.

The neutrino flash from Betelgeuse going supernova will get here ...

2026-03-03T12:15:35Z

In reply to nevent1q…4us6
_________________________

The neutrino flash from Betelgeuse going supernova will get here 2 to 3 hours before the optical flash does.

If you should want advance notice, there is a mailing list: https://snews2.org/ .

(Betelgeuse is close enough that a significant number of people will experience a Cherenkov flash inside their eyeballs from the neutrinos. But that will be largely unnoticed.)

RE: https://mastodon.social/@startswithabang/116160638960675056 ...

2026-03-02T17:02:15Z

RE: https://mastodon.social/@startswithabang/116160638960675056

Clyde Tombaugh remains the only human being so far whose remains will not stay in the solar system.

quoting
note1mud…6wup

Only these six spacecraft will ever escape the Solar System

Tired: not wanting to live on this planet anymore.

Wired: already on a path to exit the Solar System.

Only these six spacecraft (yes, six) are living the dream.
https://bigthink.com/starts-with-a-bang/six-spacecraft-escape-solar-system/

If anyone was wondering what the heaviest telescope is: That ...

2026-02-27T23:29:24Z

In reply to nevent1q…5axc
_________________________

If anyone was wondering what the heaviest telescope is:

That depends on if IceCube and LIGO count or not.

Otherwise we can tally up the reinforced concrete, steel, and aluminum of the radio telescopes.

The leadership of the American Astronomical Society explains why ...

2026-02-27T21:09:16Z

The leadership of the American Astronomical Society explains why "move all the telescopes to space" is neither possible nor desirable: https://spacenews.com/the-future-of-astronomy-is-both-on-earth-and-in-space/

I would only add that there are individual telescopes that mass more than everything ever launched into space put together.

Link via @merrdiff.bsky.social .

QT ESA Space Science @science.esa.int‬ 2026 February 27 Our ...

2026-02-27T18:02:42Z

QT ESA Space Science @science.esa.int‬
2026 February 27

Our first glimpse of comet 3I/ATLAS from Juice's science camera

The precious data from the mission's November observations of the interstellar comet arrived on Earth last week. Teams are now digging in to discover what they reveal.

Stay tuned for updates!

More https://www.esa.int/ESA_Multimedia/Images/2026/02/First_glimpse_of_comet_3I_ATLAS_from_Juice_science_camera

https://bsky.app/profile/science.esa.int/post/3mftdzllfrc2t

Company: "We have a new AI that automatically identifies file ...

2026-02-26T19:57:50Z

Company: "We have a new AI that automatically identifies file formats!"

Me: "Be honest."

Company: "We have a routine that does standard file header parsing."

I learn that the NASA Planetary Science Summer School on ...

2026-02-26T02:20:19Z

I learn that the NASA Planetary Science Summer School on spacecraft mission planning will be taking place this year, amid everything else that is happening.

The pre-application webinar is on 2026 March 4:

https://docs.google.com/forms/d/e/1FAIpQLSekYR7tiegTFikT9ajqGRdcmyB39BVTc2kWXdrnaf34JX_RFA/viewform

Didn't VIMS pick up CO2 on Iapetus; produced photochemically ...

2026-02-19T18:47:32Z

In reply to nevent1q…wmfx
_________________________

Didn't VIMS pick up CO2 on Iapetus; produced photochemically in sunlight and then cold trapped in darkness?

This is me vaguely recalling stuff from 15 years ago now.

Water and not CO2, because Ceres is warmer. But yes.

2026-02-19T18:35:09Z

In reply to nevent1q…4q6q
_________________________

Water and not CO2, because Ceres is warmer.

But yes.

I was reminded today of this paper from 2024: Schorghofer et al. ...

2026-02-19T17:39:30Z

I was reminded today of this paper from 2024:

Schorghofer et al. 2024, "History of Ceres’s Cold Traps Based on Refined Shape Models" - https://iopscience.iop.org/article/10.3847/PSJ/ad3639

Describing how water ice moves around cold traps on Ceres on a timescale of thousands of years.

Ceres keeps acting more like the Moon or a small terrestrial planet than like the smaller asteroids.

Yet again, USA: Require that new vaccines be made available. And ...

2026-02-11T16:29:35Z

Yet again, USA:

Require that new vaccines be made available.

And remove Prasad and #ImpeachRFKJr

QT Lizzy Lawrence @lizzylawrence.bsky.social‬
2026 February 11

Top FDA official Vinay Prasad overruled the agency’s reviewers when he refused to accept Moderna’s application for a new influenza vaccine, STAT has learned.
https://www.statnews.com/2026/02/11/moderna-flu-vaccine-application-rejected-by-prasad-overruling-fda-staff/

https://bsky.app/profile/lizzylawrence.bsky.social/post/3melshksuqk2i

This is very sad news. I recently happened to come across my ...

2026-02-10T02:08:44Z

This is very sad news.

I recently happened to come across my admission letter to Caltech - which was signed by George.

He will be long remembered.

"Caltech Mourns the Passing of George Rossman (1944–2026)"

https://www.caltech.edu/about/news/caltech-mourns-the-passing-of-george-rossman-19442026

And, yet again, USA: Require that your members of Congress act to ...

2026-02-07T18:34:55Z

In reply to nevent1q…uwzk
_________________________

And, yet again, USA:

Require that your members of Congress act to end all of this, #CloseTheCamps, #AbolishICE & the Border Patrol, remove Homan & Miller, #ImpeachNoem, and #ImpeachTrump.

Give them no choice otherwise.

More ICE agents who need to be charged with attempted murder, ...

2026-02-07T18:34:43Z

More ICE agents who need to be charged with attempted murder, #Minnesota.

QT Nathan Kalman-Lamb @nkalamb.bsky.social‬
2026 February 7

ICE told nurses this Minneapolis man “purposefully ran headfirst into a brick wall.”

What actually happened is that they pulled him from a car, beat him so viciously with a steel baton that he had 8 skull fractures, 5 life-threatening brain hemorrhages, and couldn’t remember he had a daughter.
https://bsky.app/profile/nkalamb.bsky.social/post/3mebyh5lyb22j

Just like baseball cards. Or anything else that is portable and ...

2026-02-05T23:28:17Z

In reply to nevent1q…k7l8
_________________________

Just like baseball cards. Or anything else that is portable and easily convertible to cash.

"space data centers" continues to be quite the scam. Here ...

2026-02-05T15:25:10Z

"space data centers" continues to be quite the scam.

Here Zach Weinersmith (npub1rkp…dy04) focuses on heat sinking in vacuum.

But there is also radiation hardening, power limits, unavoidable light travel time lag, and that nobody can launch the mass they would require.

Hype is unconstrained by facts.

QT Zach Weinersmith @zachweinersmith.bsky.social‬
2026 February 5

We didn't talk about space data centers in A City on Mars, but tbh the idea just seemed so transparently silly.

https://bsky.app/profile/zachweinersmith.bsky.social/post/3me4igfplds2h

That reads like it might be "Elder Race" by Adrian ...

2026-02-04T23:00:16Z

In reply to nevent1q…e8yr
_________________________

That reads like it might be "Elder Race" by Adrian Tchaikovsky, except that that was only published in 2021.

Tagging Winchell Chung ⚛🚀 (npub19tt…6nnr) for relevant expertise.

Listening to a presentation about the asteroid impact hazard. ...

2026-02-03T20:52:20Z

Listening to a presentation about the asteroid impact hazard.

Speaker: "Nobody likes to talk about nuclear blast disruption."

Scientists and engineers have been talking about that for the last 35+ years.

It just fortunately turns out to not be necessary.

As the linked article acknowledges when it points out that pork ...

2026-02-03T01:08:35Z

In reply to nevent1q…qlnu
_________________________

As the linked article acknowledges when it points out that pork and chicken are several times more efficient as food sources than beef.

This is a reminder that while we need systemic changes to global ...

2026-02-03T01:08:30Z

This is a reminder that while we need systemic changes to global food production and consumption; they are much more complicated than "don't eat meat".

QT Doug Parr @dougparr.bsky.social‬
2026 February 2

Stat of the day:

"Every 10% of global conventional meat consumption replaced by alternative proteins has about the same climate impact as replacing all the world’s fossil-fuelled vehicles with electric vehicles"
https://www.theguardian.com/environment/2026/jan/31/humanitys-favourite-food-how-to-end-the-livestock-industry-but-keep-eating-meat

https://bsky.app/profile/dougparr.bsky.social/post/3mdudr2ph3s2k

Only satellites that are not adequately prepared in terms of ...

2026-02-02T22:07:04Z

In reply to nevent1q…9glj
_________________________

Only satellites that are not adequately prepared in terms of radiation shielding are at risk.

Which unfortunately describes the Starlinks.

I guess we will see if SpaceX loses an entire launch's worth again.

This is a regular reminder that geomagnetic storms only induce ...

2026-02-02T20:37:18Z

This is a regular reminder that geomagnetic storms only induce significant amounts of voltage and current across very long continuous pieces of conductor.

And current power grids can be and generally are set up with surge protections on long-distance lines to prevent blackouts when that happens.

SpaceX is pleased to claim that Starlink makes money, but only by ...

2026-01-30T17:25:12Z

In reply to nevent1q…2qe8
_________________________

SpaceX is pleased to claim that Starlink makes money, but only by not including the costs of replacing the satellites.

Quite the thing when the "good" brand is the company that ...

2026-01-30T16:55:06Z

In reply to nevent1q…0e9q
_________________________

Quite the thing when the "good" brand is the company that is blowing up Starships and littering the sky with Starlinks while losing lots of money.

This is an occasional reminder that there is precedent for ...

2026-01-26T14:52:53Z

This is an occasional reminder that there is precedent for Congress forcing out both POTUS and VP and replacing them with the Senate Minority Leader and Governor of New York.

(Trump is not Nixon and Vance is not Agnew. This is just a reminder of what is possible in the US political system.)

RE: https://alaskan.social/@AlaskaWx/115945176086559767 When ...

2026-01-23T17:31:30Z

RE: https://alaskan.social/@AlaskaWx/115945176086559767

When there is more heat to transfer from equator to pole; we end up with Utqiaġvik being 50 F warmer than here in Minnesota at the same time, as air masses move around.
nostr:note1tz82tv95hd7csesl0vtgn4kh7elnf65njrfufgevyrr76hzc2e6qz4kgyh

ICE is kidnapping snow plow drivers in Minnesota in the middle of ...

2026-01-19T03:45:38Z

ICE is kidnapping snow plow drivers in Minnesota in the middle of winter.

https://www.youtube.com/watch?v=tQ3l4OvriBw

#AbolishICE and the Border Patrol. "Shawn Jackson was parked ...

2026-01-15T15:46:25Z

#AbolishICE and the Border Patrol.

"Shawn Jackson was parked nearby the scene with his kids in the car. A law enforcement agency — unclear which one — set off flash bangs that detonated the airbags in his car. Officers then sprayed tear gas. The Minneapolis Fire Department took the children — including a baby suffering breathing problems, Jackson’s mother said — to the hospital.

“They out of control,” Jackson said."

https://minnesotareformer.com/2026/01/14/second-person-in-a-week-shot-by-federal-immigration-agent-in-minneapolis/

Today on the #arXiv : Lisse et al. 2026, "SPHEREx ...

2026-01-13T13:47:20Z

Today on the #arXiv :

Lisse et al. 2026, "SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025" - https://arxiv.org/abs/2601.06759

#3IATLAS continues to be a pretty typical comet except for where it came from.

I would say rather that the current set of text generators being ...

2026-01-07T14:37:45Z

In reply to nevent1q…sc24
_________________________

I would say rather that the current set of text generators being promoted as "AI" have been designed to manipulate people into anthropomorphizing the software.

It was a deliberately choice for OpenAI, Anthropic, etc. to have the default interface to be chatbots that emulate the usual social media interfaces.

(Although the same manipulative strategy worked with ELIZA even before widespread social medial use...)

"As the Government of the United States of America is not in ...

2025-12-22T00:20:59Z

"As the Government of the United States of America is not in any sense founded on the Christian religion ..."

- United States Senate, unanimously, 1796

#ImpeachTrump and then #ImpeachVance.

Venus' clouds would be briefly sour until the sulfuric acid ...

2025-12-18T20:14:04Z

In reply to nevent1q…zds5
_________________________

Venus' clouds would be briefly sour until the sulfuric acid dissolved your taste buds.

Moon dust supposedly tastes like spent gunpowder.

Mars would taste like bloody seawater with a touch of bleach.

Carbonaceous chondrite asteroids would taste like tar with notes of arsenic and mercury.

Comet water would taste like wood alcohol and cyanide.

There are not many good options out there.

PSR J2322–2650b is very light on hydrogen and very heavy on ...

2025-12-18T14:38:08Z

In reply to nevent1q…yf2l
_________________________

PSR J2322–2650b is very light on hydrogen and very heavy on molecular carbon.

So it would taste like charcoal rather than being sour.

With tater-tots as a topping; that would be Minnesotan hotdish. ...

2025-12-16T00:47:07Z

In reply to nevent1q…7twv
_________________________

With tater-tots as a topping; that would be Minnesotan hotdish.

Which I will not eat again.

I have helped teach a lot of people how to cook using Harold ...

2025-12-15T18:59:43Z

In reply to nevent1q…skmd
_________________________

I have helped teach a lot of people how to cook using Harold McGee's "On Food and Cooking".

Because while it does not include many recipes itself; it goes into detail on ingredients and methods.

Thus avoiding people following supposed recipes without knowing enough to tell if they make any sense or not.

Thanks go to the National Association of Letter Carriers, who I ...

2025-12-15T00:45:33Z

In reply to nevent1q…rcvl
_________________________

Thanks go to the National Association of Letter Carriers, who I assume would rather be completing their appointed rounds.

#AbolishICE

https://www.startribune.com/postal-workers-rally-in-minneapolis-to-demand-ice-off-post-office-property/601545921?utm_source=gift

Nostr event nevent1qqsxe4ah7h395qk6e2kyz0j56z8nz0splw886s2zu2sm39t58s23ycgzyq25cvk8mkwts9y3x326lugz5l4ncalm52kaq8qc288yzd6997a3xhzuuv8

2025-12-15T00:29:32Z

#AbolishICE

https://www.cbsnews.com/minnesota/news/minnesota-rep-ilhan-omar-says-son-pulled-over-by-ice/

How many decades has "READFITS" been a command now?

2025-12-15T00:13:32Z

In reply to nevent1q…kfxe
_________________________

How many decades has "READFITS" been a command now?

I have again encountered pieces suggesting mining asteroids for ...

2025-12-14T16:30:16Z

I have again encountered pieces suggesting mining asteroids for rare-earth metals to ship back to Earth.

More people should read Julie M. Klinger's "Rare Earth Frontiers" about why that does not make any sense: https://uplopen.com/books/m/10.7591/9781501714610

(Much to the disappointment of 20-years-past me.)

I once heard a child psychologist say "anything short of ...

2025-12-13T22:12:47Z

In reply to nevent1q…dlmh
_________________________

I once heard a child psychologist say "anything short of fratricide is normal".

So the range of sibling relationships is wide.

Discussion of 3I observations with PUNCH by Kevin Walsh and ...

2025-12-08T17:42:14Z

Discussion of 3I observations with PUNCH by Kevin Walsh and simonbp (npub10m8…6gmu) :

https://www.swri.org/newsroom/press-releases/swri-researchers-use-punch-track-interstellar-comet-3i-atlas

RE: https://mathstodon.xyz/@johncarlosbaez/115677835220476940 It ...

2025-12-07T18:06:36Z

RE: https://mathstodon.xyz/@johncarlosbaez/115677835220476940

It would be great if people stopped rewarding automated plagiarism machines with outrageous amounts of money.

quoting
note13pw…530w

RE: https://mastodon.social/@KerryMitchell/115674911070225638

This company seems to be trying to automate the "hard problem solving" aspect of math. I've never been interested in that. To me, the interesting part of math is creating beautiful structures that help us understand reality better - and even more importantly, *explaining* these structures well, so more people can use them. If AI manages to automate *this*, I'll enjoy talking to it.

This sentence in the Business Insider article needs some context:

"Axiom, which recently said it solved two Erdős math problems that eluded mathematicians for decades, announced a $64 million seed round in September."

They're talking about Erdős problems #124 and #481.

Axiom's program solved a wrongly stated version of problem #124 that's much easier than the important version. Terence Tao (npub1gve…sduy) wrote:

"Recently, yet another category of low-hanging fruit has been identified as within reach of automated tools: problems which, due to a technical flaw in their description, are unexpectedly easy to resolve. Specifically, problem #124 https://www.erdosproblems.com/124 was a problem that was stated in three separate papers of Erdos, but in two of them he omitted a key hypothesis which made the problem a consequence of a known result (Brown's criterion)."

The harder version is still open: https://www.erdosproblems.com/124

The other problem, Erdős Problem #481, had been solved by David Klarner in 1982:

https://www.erdosproblems.com/forum/thread/481#post-1934

However, the Axiom team didn't notice this.
note1pkc…5rcv

Somebody pushing new code to production without checking for the ...

2025-11-29T01:09:11Z

In reply to nevent1q…cn53
_________________________

Somebody pushing new code to production without checking for the possible failure modes of bits getting flipped?

Radiation causing bit flips is a known problem. The failure here ...

2025-11-29T00:36:27Z

In reply to nevent1q…rpdk
_________________________

Radiation causing bit flips is a known problem.

The failure here would be Airbus not including adequate protections against it by default.

If I do the math correctly, the LD50 for untreated comet water ...

2025-11-27T16:54:34Z

In reply to nevent1q…v7nt
_________________________

If I do the math correctly, the LD50 for untreated comet water would be about 1 pint.

There is < 10% as much methanol being sublimated off of 3I as ...

2025-11-27T15:32:33Z

In reply to nevent1q…akqr
_________________________

There is < 10% as much methanol being sublimated off of 3I as there is water, and only a few parts per thousand as much cyanide as water.

But please do not try to taste the comet.

Today on the #arXiv: Roth et al. 2026, "CH3OH and HCN in ...

2025-11-27T04:52:57Z

Today on the #arXiv:

Roth et al. 2026, "CH3OH and HCN in Interstellar Comet 3I/ATLAS Mapped with the ALMA Atacama Compact Array" - https://arxiv.org/abs/2511.20845

Suggesting variations in the surface chemistry of the nucleus, with different zones having relatively more or less methanol and cyanide.

Images and other data from the OSIRIS-APEX flyby of Earth this ...

2025-11-26T18:27:05Z

Images and other data from the OSIRIS-APEX flyby of Earth this year: https://news.arizona.edu/news/osiris-apex-spacecraft-takes-selfie-earth-during-flyby

For those unaware:

OSIRIS-APEX, previously known as OSIRIS-REx and O-REx, flew by Earth in 2023 after dropping off its samples from the asteroid Bennu.

It then looped around twice before the flyby this year, and has two more flybys before it reaches the asteroid Apophis in 2029.

The navigation team does good work.

Nearly 20 years ago now, there was a piece critiquing another ...

2025-11-24T18:07:10Z

In reply to nevent1q…89lw
_________________________

Nearly 20 years ago now, there was a piece critiquing another sulfate aerosol scheme.

It was entitled "Can Dr. Evil Save The World?".

Evidently, the venture capitalists concerned have learned nothing.

It is a very interesting dot. "NASA to Share Comet 3I/ATLAS ...

2025-11-17T22:10:23Z

It is a very interesting dot.

"NASA to Share Comet 3I/ATLAS Images From Spacecraft, Telescopes"

https://www.nasa.gov/news-release/nasa-to-share-comet-3i-atlas-images-from-spacecraft-telescopes/

(Again, raw images of 3I from NASA spaceccraft have been available - these are the processed images with expert commentary.)

#subpost At a time when jobs are being lost across nearly all ...

2025-11-10T16:54:33Z

#subpost

At a time when jobs are being lost across nearly all categories of employment, a professional society offering a "how to apply for jobs" workshop does not seem like an adequate response.

I just have this idea that if we taxed the few richest people on ...

2025-11-09T14:59:09Z

In reply to nevent1q…0nw3
_________________________

I just have this idea that if we taxed the few richest people on the claimed value of all of their assets, we would have fewer cases of investment bubbles driven by billionaires propping up meme stocks.

Rather than Tesla having 20 times the market capitalization of GM while making far fewer cars.

Taking away Elon Musk's wealth by stopping Tesla from being ...

2025-11-08T17:26:21Z

In reply to nevent1q…r4v6
_________________________

Taking away Elon Musk's wealth by stopping Tesla from being overvalued.

I read stories about the massively inflated share prices of ...

2025-11-08T16:57:16Z

I read stories about the massively inflated share prices of various companies.

#TaxTheRich with a wealth tax, so that billionaires actually have to pay taxes on all of those stock holdings.

Then maybe they will actually be accurately valued.

The Vatican has signed the Outer Space Treaty. It is thus ...

2025-10-29T14:53:50Z

In reply to nevent1q…xea2
_________________________

The Vatican has signed the Outer Space Treaty.

It is thus obligated to "not place nuclear weapons or other weapons of mass destruction in orbit or on celestial bodies or station them in outer space in any other manner".

This might seem frivolous, but I remember how the Order of Malta briefly owned a fleet of military bombers.

Donald Trump and Pete Hegseth continue to order mass murder. Yet ...

2025-10-22T17:11:14Z

Donald Trump and Pete Hegseth continue to order mass murder.

Yet again, USA:

Require that Congress do its job, end all of this, #ImpeachHegseth, and #ImpeachTrump.

https://www.cbsnews.com/news/u-s-strikes-8th-drug-vessel-pacific-side/

Since I read discourse today, a reminder: If everyone took their ...

2025-10-14T21:26:48Z

Since I read discourse today, a reminder:

If everyone took their COVID shots, if we had contact tracing & prompt use of post-exposure antivirals, and if we had clean indoor air standards; we could get the reproduction number for SARS-CoV-2 well below 1 & keep it there.

Until then, wear your mask.

I must again report that EMPs do not work that way.

2025-10-13T15:45:42Z

In reply to nevent1q…2k6f
_________________________

I must again report that EMPs do not work that way.

My city government is sending community health workers begging ...

2025-10-08T17:28:51Z

My city government is sending community health workers begging people whose children have not been vaccinated against measles to get them their shots.

Yet again, #Minnesota:

Require that the state permit only verified medical exemptions to vaccine mandates.

And yet again, USA:

#ImpeachRFKJr.

I suddenly feel a need to quote a meme: "That's not how ...

2025-10-07T17:12:42Z

In reply to nevent1q…lqpf
_________________________

I suddenly feel a need to quote a meme:

"That's not how any of this works."

Nostr event nevent1qqsr3au5njwa4dgcs4e7q3mk2qaearvtxja5emzsuxspndg0tqeuweczyq25cvk8mkwts9y3x326lugz5l4ncalm52kaq8qc288yzd6997a3xfq374e

2025-09-26T15:45:50Z

RE: https://mastodon.social/@space_environmentalism/115271334981541293

Is Starlink unable to provide many users with internet access? Yes.

Is Starlink enabling organized crime? Yes.

Is Starlink making a mess of low orbit? Also yes.

It remains way past time to shut down this scam.

quoting
note1mz5…6c87

"#SpaceX has filed with the #FCC asking to launch 15,000 new #satellites for direct-to-device service that would use the spectrum SpaceX purchased from #EchoStar. According to the filing SpaceX submitted to the FCC last week, this would consist of 15,000 satellites in Low-Earth Orbit and Very Low Earth Orbit operating in mobile satellite spectrum. The filing does not share many specifics about the range of services that would be supported by this constellation.'"

https://www.satellitetoday.com/connectivity/2025/09/25/spacex-seeks-approval-for-15000-satellites-to-use-mss-spectrum/

I learned this from my daughter's pediatricians, who ...

2025-09-25T15:49:03Z

In reply to nevent1q…n2x6
_________________________

I learned this from my daughter's pediatricians, who explained their policies at intake - both to warn any vaccine denialists and to reassure everyone else that they are doing what they can to keep all the kids safe.

There are many pediatricians who will only take vaccinated kids ...

2025-09-25T15:37:37Z

In reply to nevent1q…vctm
_________________________

There are many pediatricians who will only take vaccinated kids as patients: https://pmc.ncbi.nlm.nih.gov/articles/PMC7492908/ .

They do not want someone coming in with measles and infecting a newborn in the waiting area.

Nor do they want an unvaccinated kid coming in and getting pertussis from another patient.

Some practices enact isolation protocols for unvaccinated kids instead - which the adults who are denying the kids their shots may complain about, but which is necessary for their protection.

Yet again, USA: Require that Congress affirm that the government ...

2025-09-24T21:05:05Z

Yet again, USA:

Require that Congress affirm that the government will spend money as it has ordered.

And #ImpeachDuffy and #ImpeachTrump.

"Trump Cancels Trail, Bike-Lane Grants Deemed ‘Hostile’ to Cars"

https://www.bloomberg.com/news/articles/2025-09-22/trump-cancels-trail-bike-lane-grants-deemed-hostile-to-cars

Borosilicate glass is sometimes used for windshields. But only ...

2025-09-24T21:03:48Z

In reply to nevent1q…xz9y
_________________________

Borosilicate glass is sometimes used for windshields.

But only when made as tempered laminate, specifically to avoid sharp fragments flying everywhere.

I am going to guess that there was no multiple-comparison ...

2025-09-23T14:36:39Z

In reply to nevent1q…zxku
_________________________

I am going to guess that there was no multiple-comparison correction when computing those confidence values?