Is there something you always wanted to ask an astrophysicist? Here is your chance.

I will try to answer as many questions as I can today. And if I enjoy it, we may repeat this later.

Some background: I'm a high energy astrophysicist working on black holes, neutron stars, accretion and massive stars with a pretty broad knowledge of the whole astro field (I did teach it at uni level), but little to no experience with hobby observing or astrophotography.

#AskAnAstrophysicist #AMA #astrodon

Reading For Fun Is Plummeting In the US, and Experts Are Concerned - alternative_right shares a report from ScienceAlert: When's the last time you sett... - news.slashdot.org/story/25/08/… #books

Discover the World’s Oldest Surviving Cookbook, De Re Coquinaria, from Ancient Rome

openculture.com/2025/08/discov…

"Cookery and Dining in Imperial Rome" at PG

gutenberg.org/ebooks/29728

Last year, Vision Australia attempted to recruit a CEO without an open process, thus locking out capable blind leaders from Australia and around the world who didn’t work for the organization.
They would have gotten away with it if a group of brave, principled blind leaders weren’t having it, and stood up to make change, despite the personal difficulties this caused.
They banded together, formed an organization called United Blind Leaders, and were relentless until Vision Australia did the right thing and embarked upon an open and inclusive process in which appointing a blind person was something they are actively seeking to do.
They’ve been effective, and now they’re taking their message global and continuing to advocate for change. It is essential that we as blind people lead the organizations that provide us with service. If these organizations don’t believe in blind people, why should the rest of the world?
I encourage you to follow United Blind Leaders on Mastodon for updates on this great movement for change. @Unitedblindleaders. That’s UnitedBlindLeaders at Mastodon.social.

It is essential in 2025 that blind people lead the organisations that are representing us. However this has to extend across the organisation, throughout senior and middle management as well as staff overall. I have personally seen major organisations be led in the completely wrong way due to a tiny number of blind people within the organisation. And that’s up to the blind leaders to implement. I’ve equally seen a blind person get into high office in an organisation only to pull the drawbridge up behind them to ensure their own viewpoint is heard and to allow them to dismiss all others. One blind person’s opinion is just that - one opinion. As they say, it takes a village. And that village needs to be full of blind, low vision and sighted people, with a blind leadership team. caneandable.social/@JonathanMo…

Today I learned that fuzzy logic came to be thanks to an Iranian scientist, Lotfi A. Zadeh. Fuzzy mathematics play an important role in so many appliances and new tech, including your rice cooker and the AI you use daily.
Fuzzy logic allows computers to work with a degrees of truth rather than 1/0 or true/false. Fuzzy mathematics added a little humanity to our machines.
Think about it! We say the weather is warm, really hot, kind of cool, extremely cold, ETC. There's no just hot/cold. Machines can understand this using the fuzzy logic.
In simpler words, fuzzy logic is designed to mimic human reasoning by handling imprecise information.
I am proud of my country and my people, but I should emphasize that my current government is definitely not my people.
#Iran #FuzzyLogic #LotfiZadeh #Mathematics #AI #Tech #Computing

Сегодня у кошки Сони день рождения. 28 сентября 2013 года она появилась у нас в доме. Была слабенькая, голодная, только ела и спала, за что и была названа Соней. Потом-то мы, конечно, поняли свою ошибку. Но первые дни она была Соня Соней. Вот как первом своём фото, которое тут оказалось третьим - где она совсем мелкая на оранжеваом пледике лежит.
Маленький пушистый котёнок черепаховой расцветки сидит на коврике, привалившись к голубому резиновому тапку. Совсем маленький пушистый котёнок черепаховой расцветки лежит на оранжевом пледе.
Маленький пушистый котёнок черепаховой расцветки лежит на спинке кресла рядом с плюшевым медведем.

Thunderbird 142.0 has a host of exciting features and bug fixes. From improving the PDF experience to better support for quiet time, learn what's just landed in our recap of the newest monthly release.

#Thunderbird #OpenSource #Email

blog.thunderbird.net/2025/08/t…

Microsoft just pulled a classic bait-and-switch tactic by ending free #Office licenses for NPOs. 😡

Don't let Big Tech lure you into their platforms with their "free" offerings. Open source alternatives like Linux + Tuta put YOU in control. ✊

Because you deserve better. ❤️

Read more: 👉 tuta.com/blog/microsoft-office…

Tuta reshared this.

I see there's now a petition asking Google not to block sideloading apps on Android. I'm not optimistic that's going to work, especially since Google is so close to its apparent end goal of preventing people from circumventing its Play store. (I wonder if the timing has something to do with the rumors I'm seeing that Amazon is going to go stock Android.)

We need a mobile OS that is not controlled by a single entity. Not an Android fork, something 100% not controlled by big tech.

in reply to Joe Brockmeier (@jzb)

I don't know if that's possible, it's certainly a hard problem to solve. But reliance on big tech to remain non-hostile to the needs of the FOSS community -- or even just the needs of people who want control of their devices -- is foolish.

What that really means is that we need to solve the business problems ourselves, which is something that the FOSS community has generally avoided. By that I mean, we need to dig into our pockets and pay for goods and services. 2/?

in reply to Joe Brockmeier (@jzb)

We need financial entities that hire people to do the things volunteers don't want to do, to maintain software, to support hardware, to write documentation, etc.

We need to source hardware and sell hardware, and people need to deal with the fact that it won't be as convenient or full-featured as what big tech can provide -- at least not right away. And it will be more expensive because it's not subsidized by preying on the users.

Lobbying big tech to pretty please play nice doesn't work.

in reply to Joe Brockmeier (@jzb)

It is, of course, easy for me to say all this because saying it is the easy part. Doing it is another. But I've seen example after example after example of the problems with hoping that big companies will "do the right thing" or lobbying them to do the right thing, or just hoping that things will stay status quo.

For example, Sun carried a lot of the a11y work for the Linux desktop, until it was devoured by Oracle. That was nice, but it was a failure waiting to happen.

in reply to Joe Brockmeier (@jzb)

A bunch of hardware is now losing maintainers because Intel is laying people off because of its financial woes. Fewer people are being paid to package software as priorities change with other vendors. Half of Red Hat's QA team moved to other things, and there's at least a temporary gap in Fedora testing due to it. Etc.

The corollary to the random person in Nebraska is the person employed by $bigco that eventually retires, quits, or is laid off and another hole needs to be filled.

in reply to Joe Brockmeier (@jzb)

Go ahead and petition Google, I guess. It might, temporarily, work. Or read the writing on the wall--the uneasy relationship between Google/Android and people who want general computing capabilities on their phone is not sustainable. If people want computing devices and operating systems they control, and that they can trust, and that are sustainable, it will have to be done by a non-profit entity that only exists to serve users and is funded by users.
in reply to Joe Brockmeier (@jzb)

I once (around 2011) evaluated it would cost around $100M / year to develop and maintain a mobile OS, open source based on Linux, including some cloud services. There was no revenue model for this either.

I'm not even sure that figure is valid now. You need developers. You need sysadmins. You need business development / sales to create revenue. You need admin and marketing.

Today the landscape has an even higher cost of entry.

One of our newest contributors, Jan, discovered how to interpret the timecode signal on the Traktor MK2 Control Vinyl and has created the first implementation we're aware of to decode it. Soon, DJs will be able to use their Traktor vinyl on another system for the first time!

Read his analysis of the code in our latest blog post: mixxx.org/news/2025-08-27-dvs-…

🇦🇿 Aliyev calls Azerbaijan’s entry into the #USSR “Russian Invasion and Occupation”

In 1920, the #Russian army invaded and occupied #Azerbaijan, the country's president Ilham Aliyev said. According to him, the Azerbaijan #Democratic Republic existed only briefly before Moscow took the state away from its people. The country, he noted, was torn into two parts in the process of “Sovietization.”

I bought an #Android 4.3 tablet (#Alcatel onetouch, 18 £). Sure it is outdated but is sufficient. I found several great apps via #fdroid and transferred them via Bluetooth (saved as txt) from my current phone to the old tablet (tablet certificate expired, need to update this). Is there any resource to find more apps in the meantime? I looked at #izzyondroid a bit.

@IzzyOnDroid do you have be chance a filter for the minimum Android version I missed in the web interface?

#android43 #FediHelp

Esperem que para os malucos que diziam que tinham sido os Muçulmanos a atearam os fogos e que a fotografia dos imigranres a apagar fogos era IA, agora os moços não são heróis, porque... trabalhavam para a Caule. Estavam só a fazer o trabalho para que foram pagos Então... os bombeiros, já não são heróis, é isso?

E quê? Deixaram de ser imigrantes, por serem funcionários?

Re: last boost (sauropods.win/@futurebird/1151…), this whole thread is worth a read. I have used an LLM as a validation machine before, and it has led me to do a few things that I mildly regret, even within the past month. Yes, despite my earlier critical posts on LLMs, I have broken down and used one for personal purposes quite recently. Maybe now I will actually stop.


You may have seen this tragic story about a teenager who committed suicide and used chat GPT to plan and work up the nerve to go through with it. If you are skeptical that an LLM could really be responsible the details of this case will challenge you.

With LLMs "the user is always right" they are validation machines and will reinforce and validate any idea presented in a prompt.

Any idea, no matter how bad, can be refined, amplified.

abc7.com/post/parents-orange-c…


in reply to Matt Campbell

I have shared ideas and feelings with an LLM in order to have a semblance of conversation, without the vulnerability of sharing things publicly or the feeling of imposition that comes with dumping those thoughts on an actual individual human. But of course, the responses I got aren't from someone with their own thoughts, and LLMs are optimized to reinforce whatever the user says, perhaps with a few specific guardrails.
in reply to Matt Campbell

Yeah, that's sadly something all those management people seem to ignore when pushing AI down hard on everyone.

They aren't gonna take responsibility if one of their employees will run into such issues.

The "it's just a tool" excuse doesn't work, some people are just more likely to accept that fact that than others.

It doesn't help that LLM players already manipulate their models to push their own narratives/agendas and who knows with what goal you'd get manipulated while "chatting".