What is Hackers' Pub?

Here is a simple graphic illustrating the formation and viewing of a comet's anti-tail.

The anti-tail consists of larger dust particles, which are less affected by the Sun's radiation pressure, and which create a cloud/disc trailing in the comet's orbital plane. As Earth passes through the comet's orbital plane, this disc is seen side on and appears as the anti-tail.

From outside the comet's orbital plane, the anti-tail is too faint to be imaged.

More info at https://en.wikipedia.org/wiki/Comet_tail
7/n

아니 ㅅㅂ 안된다고 안되는데 자꾸 하래서 했는데 잘못했다고 숫자 안센다하면 어찌라는거지

https://x.com/DECO27/status/1996883805463089551?s=19

?
?
????????????

우리는 지금 메인이 아닌 세계선에 진입한 거 같아

RE: https://chaos.social/@erebion/115666539511694068

@erebion can a toot be both a quote and a reply?

なーちゃんには是非35mmを極めてほしい。ワイには出来なかった

Exactly my own approach:

“I avoid grandiose plans. I start with a small piece that I can do. I go to the root of the problem and then work around it. It's building brick by brick.” — Muhammad Yunus

#QuoteOfTheDay #BottomUpDesign

へー、ピンク電話って市外通話できなかったのか…
地元の公民館にあって使ったことある

@nezumi perhaps good for an issue at https://codeberg.org/fediverse/fediverse-ideas/issues ?

返礼でひょうたん貰うぞ​​

江の島のイルミネーション見てきた！！！
​​​​​​ #Misskey写真部 #Photography

‘첫눈의 밤’, 하얗게 지샜다···‘악천후 프로모션’에 ‘사고 위험’ 위에 섰던 배달라이더들 www.khan.co.kr/article/2025... "라이더들은 “도로가 너무 미끄럽다”면서도 일을 멈추지 않았다. 한 라이더는 단체 대화방에 “무서운 분들은 얼른 들어가라, 이런 날은 저 같은 ‘초고수’만 일해 80(만원) 찍는 날”이라고 올리기도 했다. 주요 배달 플랫폼들이 도로 상황이 좋지 않은 날 운임에 추가 인센티브를 부여하니 그걸 노리겠다는 것이다."

[리와인드]‘첫눈의 밤’, 하얗게 지샜다···‘악천후 ...

性格診断してみなぁ！

…陰キャ？​​​​
#作品に性格が出るって本当ですか

#EU and the #internet: one step forwards, one step backwards.

https://www.heise.de/en/opinion/The-Russmedia-ruling-of-the-ECJ-Towards-a-Cleannet-11102550.html

I wonder if identity checking requirements would become irrelevant if the #web was peer-to-peer, with individuals being publishers and data controllers at the same time.

#p2p

リプレイスするなら
①24-70/2.8 GM2　発展的統合としては妥当なのだけど、所詮F2.8だから、これ出すくらいなら単焦点2-3本な気がする
②24-60/2.8　多分下取りでお釣りが来るから有力だけど、最短撮影距離など考慮すると20-70/4のままでいい気がする
③24-50/2.8　軽量ショートズームは結局小さな単焦点着けたほうがトータルの取り回しがいい

と、決定打に欠いて千日手が続いてる

あまり近づくな　ちくわになるぞ

駅の自動券売機なら5分もかからずに切符買えるのに………えきねっとはもっと自動券売機を見習ってほしい

本が何部売れるかは　売ってみないとわからない。
＿＿＿＿＿＿これが量子力学

The ramming resulted in a concise, accessible form.

Ich sags euch ... wenn ich die Zeit finde, entsteht noch dieses Jahr der "Ist das wirklich eine Eilmeldung, Tagesschau!?" Bot ...

쿼리링 개발자유머에 점점 스며들어;;

이번주에 폭풍 연말 지름 중인데 4개중 두 개는 실패다, 나머지 두 개에서 지름의 기쁨을 느껴보자. 오라 택배여.

@vanillaprpr@planet.moe상어아저씨 여러분 이게 파이썬의 실체입니다

if, like me, you can't shake your coffee addiction, i highly recommend shaking it up instead. try adding oat milk so you can enjoy both the appearance of mud and the flavour of mud.

大事なのは積み重ねることよりも積み重ねたものを捨てていくことだよなと

これまでのyoutubeのサムネ
3枚目が最新なんだけど、構図を横長にしたりしてちょっとずつ工夫できてるかも​​

Showed this to mi espouse and she said, “oh!! River Raid!”
https://saturation.social/@clive/115663206458642226

大事なのは積み重ねることよりも積み重ねたものを捨てていくことだよなと

You've got one week left to grab PyCharm Pro from JetBrains at 30% off- but why wait?? Jump on this deal today, ALL proceeds go to the PSF 🐍 https://lp.jetbrains.com/support-python/ #PythonForEveryone #Python

https://lp.jetbrains.com/support-python/

20-70/4 と 28-70/2.8 の稼働率が悪いのでリストラ候補筆頭に躍り出ている

Ich sags euch ... wenn ich die Zeit finde, entsteht noch dieses Jahr der "Ist das wirklich eine Eilmeldung, Tagesschau!?" Bot ...

Cのヘッダー、何が辛いってアレに慣れるとヘッダなしの言語に慣れるのがつらくなるのがつらい

#EU and the #internet: one step forwards, one step backwards.

https://www.heise.de/en/opinion/The-Russmedia-ruling-of-the-ECJ-Towards-a-Cleannet-11102550.html

I wonder if identity checking requirements would become irrelevant if the #web was peer-to-peer, with individuals being publishers and data controllers at the same time.

#p2p

Today I found a helper TUI for coding Rust 🦀

🛠️ ploke — Graph-native Rust code analysis in your terminal.

🧠 Understand your project with a fully queryable code graph & context-aware assistant.

🦀 Written in Rust & built with @ratatui_rsRatatui

⭐ GitHub: https://github.com/josephleblanc/ploke

#rustlang #ratatui #tui #ai #rag #codeanalysis #devtools #terminal

上海的朋友说有桂花一直香到现在！第一反应是那天去宏福苑，楼下小公园的四季桂和米兰都已经盛开了，花香盖不住焦糊的味道，非常凄惨。

Wenn ihr euch riesige Sorgen um die Zukunft macht und nicht wisst, was ihr tun sollt, tut das Nächstliegende: fahrt mehr Öffis und Rad, esst veganer, teilt keine rechten und skandalisierenden Inhalte in sozialen Medien mehr, zahlt nicht mehr mit Paypal, shoppt nicht mehr bei Amazon, kündigt Spotify.

DX 35mmを触ってたら「Z50あたり使われてるんですか〜？」と優しく声かけられた。
Z7使ってるんですぅ〜と優しく返したら「フルサイズ使われてるんですね……」と言われてその後の会話は続かなかった。今日も夜は冷えそうだ

Air: Tiny Desk Concert
https://www.youtube.com/watch?v=jjuorGiEUS4
#leyrerplaylist

식기는 아무거나 쓰면 안된다더라..

motoaki iimori｜飯盛元章 (@lwrdhtw) on X
「所有とは盗みである」という表現がプルードンにあるけど、ホワイトヘッドには「生命とは盗みである」というさらに過激な表現がある。 https://x.com/lwrdhtw/status/1996628043100799382?t=UPQSSvWEdT7dCI_0tBSTVQ&s=09

Lie groups and Noether's theorem are the tools that let 20th-century physicists wield *symmetry* as a powerful tool to study crystals, molecules, atoms, and elementary particles. Lie groups let us describe symmetries that can vary continuously, not just discretely. Noether's theorem shows how these continuously varying symmetries give conserved quantities like energy, momentum, angular momentum and others.

But what is a Lie group? This Quanta article does a pretty good job of explaining the basic idea. One quibble: they say

"The group of all rotations of a ball in space, known to mathematicians as SO(3), is a complicated three-dimensional shape that lives in nine-dimensional space."

That makes it sound more complicated than it really is! I'd rather say

"The group of all rotations of a ball in space, known to mathematicians as SO(3), is itself a ball with each point on its surface glued to the opposite point."

If you're gonna scare people, I feel you might as well scare them with a puzzle they can actually chew on. I guess that's why I'm not a journalist. If you say "a complicated shape that lives in nine-dimensional space", most people will feel this is utterly beyond their powers to understand. And in a way, that's relaxing: it means math is only for geniuses, not them, so they can stop thinking.

But if you say "a ball with each point on its surface glued to the opposite point", people may say WHAT THE HELL???

I feel journalists don't want that. As a blogger, that's exactly what I *do* want. You may be able to figure it out (it's easy with a picture). But if you've got questions, I'm happy to answer them.

https://www.quantamagazine.org/what-are-lie-groups-20251203/

#mlt_doodle　#OC　#イラスト

Lie groups and Noether's theorem are the tools that let 20th-century physicists wield *symmetry* as a powerful tool to study crystals, molecules, atoms, and elementary particles. Lie groups let us describe symmetries that can vary continuously, not just discretely. Noether's theorem shows how these continuously varying symmetries give conserved quantities like energy, momentum, angular momentum and others.

But what is a Lie group? This Quanta article does a pretty good job of explaining the basic idea. One quibble: they say

"The group of all rotations of a ball in space, known to mathematicians as SO(3), is a complicated three-dimensional shape that lives in nine-dimensional space."

That makes it sound more complicated than it really is! I'd rather say

"The group of all rotations of a ball in space, known to mathematicians as SO(3), is itself a ball with each point on its surface glued to the opposite point."

If you're gonna scare people, I feel you might as well scare them with a puzzle they can actually chew on. I guess that's why I'm not a journalist. If you say "a complicated shape that lives in nine-dimensional space", most people will feel this is utterly beyond their powers to understand. And in a way, that's relaxing: it means math is only for geniuses, not them, so they can stop thinking.

But if you say "a ball with each point on its surface glued to the opposite point", people may say WHAT THE HELL???

I feel journalists don't want that. As a blogger, that's exactly what I *do* want. You may be able to figure it out (it's easy with a picture). But if you've got questions, I'm happy to answer them.

https://www.quantamagazine.org/what-are-lie-groups-20251203/