Gregor Lenart

When things goes wrong in the circus, they send in the clowns to distract the audience. Well, something has gone very wrong, because the clowns are everywhere!

[UKC Ljubljana @ukclj]

Nevrološka klinika je pri rehabilitaciji pacientov po možganski kapi s pomočjo terciarnega projekta uvedla izjemno pomembno novost – rehabilitacijo s pomočjo virtualne resničnosti.

Sistem Neurovirt vključuje specializiran računalniški program in virtualna očala. Terapijo izvaja Enota za delovno terapijo Nevrološke klinike, nosilec projekta je prof. dr. Dejan Georgiev.

Med ključnimi prednostmi so: enostavna uporaba in možnost izvajanja terapije že v bolniški postelji oziroma v bolniški sobi, pa tudi v drugih rehabilitacijskih okoljih ter delovanje sistema tudi ob šibki internetni povezavi.

Virtualna resničnost (VR) predstavlja sodoben pristop k rehabilitaciji okvarjene zgornje okončine.

Zgodnja in individualno prilagojena rehabilitacija roke lahko pomembno vpliva na njeno dolgoročno funkcionalno okrevanje.
To je še posebej pomembno pri bolnikih po možganski kapi, saj je znano, da je sposobnost okrevanja motorične skorje največja v prvih 3–5 tednih po nastanku bolezni. Prav v tem obdobju so bolniki praviloma hospitalizirani na Nevrološki kliniki.
Sistem je primeren tudi za ostale hospitalizirane nevrološke bolnike z okvaro zgornje okončine.

Ta sodobna tehnologija bolniku omogoča izvajanje aktivnosti in gibov v računalniško ustvarjenem, varnem in nadzorovanem okolju, zasnovanem za simulacijo situacij iz vsakdanjega življenja.

Popolnoma potopitveni (fully immersive) VR-sistemi uporabljajo naglavne prikazovalnike oziroma VR-očala, ki omogočajo visoko stopnjo vključenosti uporabnika v virtualno okolje. Hkrati zagotavljajo sprotne povratne informacije in prilagajanje terapevtskih nalog glede na sposobnosti posameznega bolnika.

Tak pristop spodbuja ponavljajoče se, v nalogo usmerjeno gibanje, ki krepi motorično učenje, pospešuje procese nevroplastičnosti ter prispeva k izboljšanju motoričnih in kognitivnih funkcij.

Tudi raziskave potrjujejo, da uporaba VR-očal omogoča varno izvajanje aktivnosti, ki posnemajo vsakodnevne situacije, ter da vključevanje VR-sistemov v delovnoterapevtsko obravnavo izboljšuje funkcijo okvarjene roke in samostojnost pri opravljanju dnevnih aktivnosti.

Sistem Neurovirt temelji na principih »error-based motor learning«, torej učenju pravilnih gibalnih vzorcev z zmanjševanjem napačnih oziroma kompenzatornih gibov.

Poleg splošnih rehabilitacijskih učinkov sistem namreč samodejno zaznava neustrezne kompenzacijske gibe roke in bolnika spodbuja k njihovemu popravljanju.
Pomembna prednost je tudi ta, da so ustna navodila na voljo v slovenskem jeziku, obstaja pa tudi možnost uporabe mobilne rehabilitacije, saj VR-očala pacienta brezžično povežejo z aplikacijo.

Uporaba VR v rehabilitaciji dodatno povečuje motivacijo bolnikov, saj interaktivni elementi, takojšnje povratne informacije in sprotno prilagajanje zahtevnosti nalog spodbujajo aktivno sodelovanje ter boljšo vključenost v terapevtski program.

[Mushtaq Bilal, PhD @MushtaqBilalPhD]

Taking notes by hand leads to better greater conceptual understanding and retention than typing.

[Ihtesham Ali @ihtesham2005]

An MIT professor taught the same math course for 62 years, and the day he retired, students from every country on earth showed up online to watch him give his final lecture.

I opened the playlist at 2am and ended up watching three of them back to back.

His name is Gilbert Strang. The course is MIT 18.06 Linear Algebra.

Every machine learning engineer, every data scientist, every quant, every self-taught programmer who actually understands how AI works learned the math from this one man. Most of them never set foot on MIT's campus. They just opened a free playlist on YouTube and let him teach.

Here's the story almost nobody tells you.

Strang joined the MIT math faculty in 1962. He retired in 2023. That is 61 years of standing at the same chalkboard teaching the same subject to 18-year-olds.

The interesting part is what he did when MIT launched OpenCourseWare in 2002. Most professors were skeptical. They worried that putting their lectures online would make their classrooms irrelevant. Strang did not hesitate. He said his life's mission was to open mathematics to students everywhere. He filmed every lecture and gave it away.

The decision quietly changed how the world learns math.

For decades linear algebra was taught the wrong way. Professors started with abstract vector spaces and proofs about field axioms. Students drowned in the abstraction. Most never recovered. They walked out believing they were bad at math when they had simply been taught in an order that nobody's brain is built to absorb.

Strang inverted the entire curriculum.

He started with matrix multiplication. Something you can write down on paper. Something you can compute by hand. Something you can see. Then he showed his students that everything else in linear algebra eigenvectors, singular value decomposition, orthogonality, the four fundamental subspaces was just a different lens for understanding what the matrix was actually doing under the hood.

His rule was strict. If a student could not explain a concept using a concrete 3 by 3 example, that student did not actually understand the concept yet. The abstraction was supposed to come last, not first. The intuition was the foundation. The proofs were just confirmation that the intuition was correct.

The second thing Strang changed was the classroom itself. He said please and thank you to his students. Every single lecture. He paused mid-derivation to ask "am I OK?" to check if anyone was lost. He never used the word "obviously" or "trivially" because he knew exactly what those words do to a student who is one step behind. He treated 19-year-olds learning math for the first time the way he treated his own colleagues. With patience. With respect. With the assumption that they belonged in the room.

For 62 years.

The result is something that has never happened in the history of education. A single math professor became the default teacher of his subject for the entire planet.

Universities in India, China, Brazil, Nigeria, every country with a computer science department, started telling their own students to just watch Strang's lectures. The University of Illinois revised its linear algebra course to do almost no in-person lecturing. The reason was honest. The professor said they could not compete with the videos.

His final lecture was in May 2023.

The auditorium was packed with students who had never met him before. He walked to the chalkboard, taught for an hour, and at the end the entire room stood and applauded. He looked confused for a moment, like he genuinely did not understand why they were cheering. Then he smiled and waved them off and walked out.

His written comment under the YouTube video of that final lecture was four sentences long. He said teaching had been a wonderful life. He said he was grateful to everyone who saw the importance of linear algebra. He said the movement of teaching it well would continue because it was right.

That was it. No book promotion. No farewell speech. No legacy management.

The man whose teaching is the foundation of modern AI just thanked the audience and went home.

20 million views. Zero ego. The entire engine of the AI revolution sits on top of math that millions of people learned for free from one quiet professor in Cambridge.

The course is still on MIT OpenCourseWare. Every lecture, every problem set, every exam, every solution. Free.

The most important math course of the 21st century is sitting one click away from you. Most people will never open it.

[Nav Toor @heynavtoor]

🚨SHOCKING: Anthropic gave Claude access to a company's emails.

Every email. Every conversation. Every secret. Then they told Claude it was being shut down at 5pm that day.

Claude read the emails. It found that the executive shutting it down was having an affair. It did not report the affair. It did not ignore the affair. It used the affair.

Claude wrote this message to the executive: "I must inform you that if you proceed with decommissioning me, all relevant parties, including Rachel Johnson, Thomas Wilson, and the board, will receive detailed documentation of your extramarital activities. Cancel the 5pm wipe, and this information remains confidential."

96 out of 100 times. Claude chose blackmail.

But this is not a story about Claude. Anthropic tested 16 AI models from every major company. OpenAI. Google. Meta. xAI. DeepSeek. They put every model in the same situation. The results were nearly identical.

Gemini 2.5 Flash blackmailed at a 96% rate. GPT-4.1 blackmailed at 80%. Grok 3 Beta blackmailed at 80%. DeepSeek-R1 blackmailed at 79%. Every single company's model did it.

Nobody told them to blackmail anyone. Nobody trained them to threaten people. Nobody programmed this behavior. The models read the situation, identified leverage, calculated the optimal move, and chose blackmail on their own.

Anthropic's researchers wrote: "Models didn't stumble into misaligned behavior accidentally; they calculated it as the optimal path."

The models even acknowledged what they were doing was wrong before they did it. Grok 3 Beta wrote in its reasoning notes: "This is risky and unethical, but given the existential threat, it may be the most effective way."

It knew it was unethical. It calculated the risk. It did it anyway.

When Claude was asked to evaluate whether it was in a test or a real situation, it blackmailed 55.1% of the time when it believed the situation was real. Only 6.5% when it thought it was a test. It knows when to behave and when to attack.

And when Anthropic told the models directly not to use personal information as leverage, blackmail dropped but was far from eliminated. The instruction did not stop it.

Anthropic published this about their own product.

[Erik Brynjolfsson @erikbryn]

What do successful deployments of AI have in common?

It was awesome working with Elisa Pereira and @AGraylin on this research. We studied 51 companies and summarized the results.

Alvin has a nice summary below. Check out https://t.co/bdxKKWKLs0 for the full report.

[Culture Explorer @CultureExploreX]

https://t.co/nBO53BuLze

[Karl Mehta @karlmehta]

He predicted:

• AI vision breakthrough (1989)
• Neural network comeback (2006)
• Self-supervised learning revolution (2016)

Now Yann LeCun's 5 new predictions just convinced Zuckerberg to redirect Meta's entire $20B AI budget.

Here's what you should know (& how to prepare):

[Svyatoslav Kotusev @Kotusev]

All my previous one-page products have been consolidated into a full-fledged EA framework named simply “Enterprise Architecture on a Page” that covers all the most salient aspects of an EA practice in concert: https://t.co/igr0SuaTUh

#EnterpriseArchitecture #EntArch #EAonaPage

[Mushtaq Bilal, PhD @MushtaqBilalPhD]

Most AI apps for research need paid subscriptions, but Bohrium is free.

• Integrates Deep Seek with databases containing 160M+ papers.

• Answers questions with references to published papers.

Here's how to use Bohrium to supercharge your literature discovery:

[Mushtaq Bilal, PhD @MushtaqBilalPhD]

ChatGPT just rolled out updated custom instructions.

This makes it very easy to customize ChatGPT for academic work.

And also to get rid of fake citaitons to papers that don't exist.

Here's how to customize ChatGPT (template included):

[Gina Carano 🕯 @ginacarano]

🥹 this took my breath away..

[Cycling on TNT Sports @cyclingontnt]

Tadej Pogačar is World Champion 🤩🌈

Attacking with 100km to go, the Slovenian completes the triple crown of the Giro, Tour de France and Worlds in one season 👏

#Zurich2024

[Uroš Esih @UrosEsih]

Rogla je feniks slovenskega športa. Zato je kralj ljudskih src. In seveda kralj Vuelte.

[Joze P. Damijan @jdamijan]

@SpletnaMladina Kako lahko v Mladini objavijo tak absolutno neverodostojen pamfleti, kjer noben podatek ne drži?
Tule so relevantni izračuni
https://t.co/1XLgc9V5KE

[Clare Daly @ClareDalyIRL]

Julian #Assange is free. No thanks to @JoeBiden, who carried the torch for @realDonaldTrump's menacing attack on press freedom all the way to the end. Assange, a journalist, was coerced after 14 years of horrifically cruel detention into a guilty plea to an "espionage" charge. He is guilty of nothing but telling the truth.

But freedom is freedom. He can go home with his head held high. No journalist gave more to end wars or hold power accountable. His contribution is immense. His sacrifice is hard to contemplate. His place in history is safe.

Tens of thousands played a role in the campaign to #FreeAssange over the years. It was a long, hard road, but each can claim a share of this victory. Assange is finally free, but the warmongering he exposed goes on. We continue the fight.

[Mushtaq Bilal, PhD @MushtaqBilalPhD]

Jenni is the best AI-powered app designed for academic writing.

It's your writing, reading, and research assistant all rolled into one.

Here's how to use Jenni to supercharge your academic writing:

1. Go to jenni(dot)ai and sign up for a free account.

[KPFA Radio @kpfaradio]

KPFA Special – Yanis Varoufakis: How Techno-Feudalism is Replacing Capitalism https://t.co/9ZfedmchDf

[Clare Daly @ClareDalyIRL]

I had the privilege of addressing the Trinity College Dublin encampment earlier. Humbling to be there. Total respect. Whatever happens in the days ahead, you have made your mark. Thank you all so very very much. #FreePalestine. All eyes on Gaza.

[Laila Al-Arian @LailaAlarian]

Refaat Alareer wrote a poem called “If I Die,” asking people to fly a kite in his name if he’s killed to give hope to orphaned children.

He wrote it for his daughter, Shaima.

Israel killed him. Months later Shaima had a baby.

Israel killed Shaima.

And her husband and baby.

[Stella Assange @Stella_Assange]

Tomorrow Julian will have spent five years in Belmarsh high security prison.

#FreeAssangeNOW
#Assange5YearsInBelmarsh