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Nick boosted
Nick boosted

The real headline here should be:

"Even after being purged with no explanation, prominent journalists cling to toxic platform hellbent on undermining a free press"

vice.com/en/article/5d948x/x-p

Nick boosted

Okay, so people are encouraging me to post more here, but maybe to ignore the replies... So I'll post my latest on Elon/Bill Ackman and their rather confused take on free speech that seems focused on punishing journalists for reporting on things these billionaires don't like. techdirt.com/2024/01/10/free-s

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Of course I support #TheBezzle #Crowdfunding by @pluralistic - which Audible will not sell as an #audiobook because of #DRM BS. #PrisonTech, #DotBomb #Enshittification and the same Martin Hench I loved in the previous book, #RedTeamBlues that you can bundle with this pledge, if you missed it.

Nick boosted
Nick boosted

The old #Firefox for Android was internally known as Fennec, and when we rewrote it to ship the current one (Fenix) the mobile team made a huge effort of making it modular and its components easy to assembled and embed.

It was a very successful move IMHO as quite a few people forked it, picked up the various bits and made other browsers.

I know because they often forget to point the crash reporter elsewhere so we see their bugs too 😜

Nick boosted

Really good reporting by @JosephMenn on the SEC's X account hijack.

The fact that the hackers got control of the phone number of the SEC's X account is by far the most important detail in this story.

washingtonpost.com/technology/

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I know I've probably no reach on this thing but I'll post this nonetheless in case somebody who does can boost it.

If you are interested in a summer internship in astrophysics with me check out the following for info and how to apply:

github.com/evanocathain/ILOFAR
seti.berkeley.edu/Internship.h

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The sky was looking ominous so I asked Siri, "Surely, it's not going to rain today?"

And she replied, "Yes it is, and don't call me Shirley."

That's when I realized I'd left my phone on Airplane Mode.

#dadjokes #dadjoke

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Timely reminder that, for most people in most circumstances, bottled water is simultaneously an environmental obscenity, a total rip off, and no better (often worse) quality than tap water.

Way back I made a decision to try to plan ahead and make use of a stainless steel bottle I had bought for hiking on a day-to-day basis. About 10 years later, the bottle has a lot of dents but I'm pleased to say saved £100s, many tons of carbon and plastic.

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Today's Annie Jump Cannon Prize Lecture at #AAS243 was given by my former officemate Eve Lee, on theories of planet formation.

The physics of how dust and gas interact helps explain the types and locations of planets we observe in exoplanet systems.

For example, giant planets are hard to form outside of 10 AU because it’s harder for rocky cores to pull in enough gas. Inside of 1 AU, they tend to migrate outward. We may need different physics to explain hot Jupiters.

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Nick boosted
Nick boosted

Important departure from the Nazi bar as @molly0xfff moves her indispensable newsletter, previously on Substack, to a self-hosted (open-source) Ghost setup. If you already subscribe and pay, as I do, it should just work for you with no visible change.

Kudos, and I look forward to more current Substack users making the same ethical decision. mollywhite.substack.com/p/cita

Nick boosted

Scottish scientist Mary Somerville was born #OTD in 1780.

During her long life, she occupied an important place in the physical sciences. Her books brought readers up to date with subjects ranging from astronomy & anthropology to microscopy & geology. She introduced the English-speaking world to Laplace’s celestial mechanics, wrote an outstanding survey of physical geography, & elucidated the common bonds between the sciences @ a time when they were being carved up into distinct disciplines. 1/

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We just released version 2.0.0 of the #ActivityPub plugin for #WordPress (WordPress.com release is planned for tomorrow).

Main feature: Full bedirectional/threaded comment federation 🎉

Full Changelog: github.com/Automattic/wordpres

Thanks #Automattic @mattwiebe @kanru @linos @mediaformat @mat @webrocker @sentynel and @janboddez for your contributions

wordpress.org/plugins/activity

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The New York Times has launched a Flash player for their archived content. Figuring out how to make old flash content usable in archived sites is a big problem for web archives. Hope the approach here could also be used elsewhere. eagereyes.org/blog/2024/nytime

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What Happened to Quora? "A large number of the questions are junk. Many are not really questions at all; they’re provocations. On those occasions when users do seem to be in search of useful answers, the ones they receive are, to put it mildly, uneven." theatlantic.com/technology/arc

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Me: "Every time I see someone make a sweeping generalization on the Internet, all I can think is how desperate for attention they must be to try to turn half-baked personal experience into a law of nature."
Her: "Um, honey…"
Me: "What?"

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Yesterday I asked: if you made an "atom" out of two neutrons bound together by gravity, how big would it be?

HUGE.

@lilacperegrine worked it out and got an orbital radius of 5.608 ⋅10²⁴ meters, or about 1/100th the radius of the observable universe. Their calculations are below.

Let me check. The Bohr radius of a hydrogen atom is r = ℏ²/me² where m is the mass of the electron, e is its charge and ℏ is Planck's constant. We need to use the same formula with the force of gravity replacing the electromagnetic force, and the neutron mass replacing the electron mass.

Making the force weaker makes the atom larger in inverse proportion. Making the mass of the orbiting particle larger makes the atom smaller in inverse proportion.

The Bohr radius is about 10^{-10} meters.

The force of gravity between two electrons is about 10⁴⁰ times weaker than the electromagnetic force between them. But the neutron mass is about 1000 times the electron mass, so the force of gravity between two neutrons about 1000 × 1000 times bigger than between electrons. Thus the force of gravity between two neutrons is 10³⁶ than the electromagnetic force between a proton and electron.

But the mass of the orbiting particle is about 1000 times larger for our gravitational atom.

So, the radius of our gravitational atom is roughly 10^{-10} meters times 10³⁶ divided by 1000, which is 10²³ meters.

This very rough calculation matches @lilacperegrine's calculation well enough to make me trust their work.

This is why we never see gravitational "atoms" made of neutrons!

Nick boosted

During Pregnancy, the Placenta Hacks the Immune System to Protect the Fetus

Cells in the placenta have an unusual trick for activating gentle immune defenses and keeping them turned on when no infection is present. It involves crafting and deploying a fake virus.

wired.com/story/during-pregnan
#Biology #Pregnancy #Medicine #Health #Pregnancy #Science

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