Ať v ČR nebo USA, boháči jsou zkorumpovatelní manipulátoři a nebezpečím pro demokracii. Jejich slovo je příliš hlasité a přitom nestojí za zlámanou grešli.
19.12.2025 17:50
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Original post on manganiello.eu
Linux Tech Tips: _There was a recent thing from a major tech company where developers were asked to say how many lines of code they wrote, and if it wasn’t enough, they were terminated. And there was someone here who was extremely upset about that approach to measuring productivity because it […]
06.12.2025 09:25
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3D-printed components for experiments in quantum and AMO physics.
Our #quantum #physics experiments can now run with 3D-printed components! Read more in “3D-printed components for electron-ion trapping: Pre-experimental tests of functionality and ultra-high vacuum compatibility” in Physica Scripta […]
[Original post on mathstodon.xyz]
27.11.2025 08:56
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Going through the results of searching #quantum in my mastodon app... The demise of the qubit-social instance was disastrous for the community. So many inactive accounts of interesting quantum physicists... It is now hard to find anybody to follow in the topic of quantum #science .
20.11.2025 19:17
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Proč vlastně ti, kteří věří, že volby budou zmanipulované, chtějí jít volit? Vždyť to nemá cenu ne? 🤔
02.10.2025 06:57
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V Lánech rozpečetili obálku s dosud neznámými slovy prezidenta Tomáše Garrigua Masaryka. Co v ní stojí?
„Jestliže jsou lidé nevzdělaní a hloupí, nemůžete toho moc udělat,“ zaznamenal třeba jeho syn Jan. https://irozhl.as/xlS
19.09.2025 10:11
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Abstract of article titled "Trapping of electrons and 40Ca+ ions in a dual-frequency Paul trap"
🌟 Exciting Update from Our Research Group! 🌟
I'm thrilled to share another preprint from my colleagues in Germany, China, India, the US, and our group. We're working on a groundbreaking electron-ion trap—a modified Paul trap designed to simultaneously confine […]
[Original post on mathstodon.xyz]
18.09.2025 18:53
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Od počátku svého studia jsem si učinil zásadou, že kdekoliv poznám mínění správnější, ihned upustím od svého méně správného a pokorně a radostně přijmu názor odůvodněný lépe, věda, že to, co víme, je zcela nepatrným zlomkem toho, co nevíme. -- Jan Hus 1410
On asi nebyl pouhý náboženský fanatik...
16.09.2025 06:22
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Čechy prý trápí ceny a kvalita potravin. A proto chtějí do čela majitele holdingu, který ceny šponuje nahoru a kvalitu dolů 🤷♂️
Nevím co si představují, že se stane.
15.09.2025 07:20
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Vacuum assembly of the electron-ion trapping experiment
Exciting News!
We're thrilled to announce that our latest preprint is now available on arXiv!
📄 Title: 3D-printed components for electron-ion trapping: Tests of functionality and ultra-high vacuum compatibility
🔗 Read the full abstract here […]
[Original post on mathstodon.xyz]
09.09.2025 12:49
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Original post on mastodon.social
"When I talk about fish on Bluesky, people ask me questions about fish. When I talk about fish on #Twitter , people threaten to murder my family because we’re Jewish."
~Marine biologist David Shiffman
There were also complaints about the rise in #misinformation … with … the quality of […]
27.08.2025 13:57
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Tak jsem zhlédl Velký vlastenecký výlet a přemýšlel jsem, kolik lidí v sále se pohoršuje nad morálním relativismem protagonistů a zároveň tleská konání izraelské armády v Gaze...
22.08.2025 19:48
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Everyone fears AI writing fake science… but what about AI reviewing papers? Hallucinations, no context, lies—why isn’t this risk discussed more? #academia
20.08.2025 15:56
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Foto z vynesení rozsudku ICJ ve sporu Francie a Rovníkové Guineje. Credit United Nations
https://apnews.com/article/un-court-opinion-climate-change-1ac84a94a5aaffd63518ef1da3502a9e
Graf vývoje koncentrace CO2 v atmosféře
Proč je oteplení o více než 1,5°C problém (1/3)
Žijeme vskutku ve výjimečné době.
Nejen kvůli tomu, že koncentrace CO₂ v atmosféře dosahuje 430 ppm – hodnoty, které na naší planetě nepanovaly miliony let. Ale i kvůli tomu, jak na tuto skutečnost reagují soudy.
Co zásadního se včera stalo u Mezinároního soudního […]
[Original post on f.cz]
24.07.2025 09:47
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Ultracold plasma team. From left to right:
- Robin - Bachelor student
- Ivan - Doctoral student
- Niklas - Doctoral student
- David - Bachelor student
- Adam - Bachelor student
- Vineet - Doctoral student.
Squatting is the leader, Michal.
Trapping electrons & laser-cooled ions in a Paul trap to explore quantum physics, detect microwaves & even make antimatter. Meet our sunny-eyed team of curious minds! 😎⚛️ 🧪
#QuantumPhysics #PaulTrap #LaserCooling #Antimatter #ScienceSquad #ScientificEnlightenment
17.07.2025 13:32
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A Caroll diagram consisting of four rectangles arranged in a square.
The Y axis is labelled MOVE and split into FAST and SLOW.
The X axis is labelled THINGS and split into BREAK and FIX
Top left image: (Move Fast and Break Things) Tech Bro
Bottom left image: (Move slow and break things) Runaway Steamroller
Top right image: (Move fast and fix things) Emergency Plumber
Bottom left image: (Move slow and fix things) Grandpa with a toolbox
My cartoon for this week's @newscientist.com
13.04.2025 13:55
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Friday tradition: Weekly journal club in action! Last Friday's lively debate about Coulomb Interaction-Driven Entanglement of Electrons on Helium shows how we challenge each other's thinking. Our students don't just consume research—they critically evaluate it. #ResearchCulture #AcademicDiscourse
23.03.2025 17:02
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Happy Pi Day!
14.03.2025 07:14
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Ještě pořád chceme, aby se stát řídil jako byznys?
04.03.2025 13:35
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The European Union foreign policy chief Kaja Kallas : “The free world needs a new leader”
#Trump #Vance #TrumpIsAFelon #FuckTrump #TrumpIsARussianAsset #TrumpIsPutinsDog #TrumpIsNotFitToBePresident #SlavaUkraini #StandWithUkraine #RussiaIsATerroristState […]
[Original post on mastodon.social]
28.02.2025 22:50
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📢 MSCA FELLOWSHIP: Quantum Physics Postdoc at Charles University 🇨🇿
Project: Development of trap-supported Rydberg qubit
Seeking researchers for Marie Skłodowska-Curie Postdoctoral Fellowship. Join us to develop quantum devices using hybrid […]
[Original post on mathstodon.xyz]
27.02.2025 13:49
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Exciting PhD opportunity in quantum tech! Join our group to develop a hybrid electron-ion trap for single-photon detection and build a groundbreaking qubit platform. Apply by 30.4.2025. Contact: michal.hejduk(aaaat)matfyz.cuni.cz. #PhD #QuantumTech #Academia 🧪
24.02.2025 16:37
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