You know that feeling when you fix one problem at work, and three new ones pop up somewhere else?
What if I told you that's not bad luck—it's how most of our major institutions are designed to behave now?
Let me explain. 🧵
We've all heard about our "wicked problems"—climate…
How is it possible that Claude Sonnet 4.5 is able to work for 30 hours to build an app like Slack?! The system prompts have been leaked and Sonnet 4.5's reveals its secret sauce!
Here’s how the prompt enables Sonnet 4.5 to autonomously grind out something…
Claude 4.5 Sonnet system prompts have been leaked (by @elder_plinius)! It's massive! Let's discover hidden prompting gems!
Recency-Gated Search & Scaling
“Search the web when needed: For queries about current/latest/recent information… search immediately.”
“Scale the number…
"Metacognition" is an extremely problematic word. Why? Most people lack the self-awareness to recognize what it is within themselves! It's analogous to logic; there are a lot of people who don't know what logic is because they can't think logically!
Everyone ‘knows’ AGI will either make us all unemployed or fabulously wealthy. Except, a rather brilliant (and chilling) paper from a Yale economist suggests it's neither.
It says the economy will boom, and our wages... won't. A bit awkward.
I've been digging into this 2025…
327K Followers 3K FollowingNVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.
64K Followers 3K FollowingScientist at Tufts University; my lab studies anatomical and behavioral decision-making at multiple scales of biological, artificial, and hybrid systems.
45K Followers 1K FollowingNeuroscientist interested in cognitive-emotional brain
Author of The Entangled Brain (MIT Press); The Cogitive-Emotional Brain
Neuroscience & Philosophy Salon
38K Followers 5K FollowingViews of a Transhuman neo-Buddhist from the future on sociology, artificial intelligence, mathematics, philosophy, neonoir film, and the post-singularity era.
106K Followers 2K FollowingCovering the latest in AI development • ML Eng since 2017 • Building @AlphaSignalAI into the #1 source of news for AI devs → At 250k readers.
7K Followers 973 Following🧠 computational neuroscience | emergence 🤖
Science Writer, Kempner Institute at Harvard University @KempnerInst
🎓 Lecturer at BU
(views here are my own!)
27K Followers 2K FollowingProfessor at UMD. AI security & privacy, algorithmic bias, foundations of ML.
Follow me for commentary on state-of-the-art AI.
36K Followers 2K FollowingInformation Geometry, Information Theory, and Geometric Science of Information (GSI) for machine learning and AI, visual computing, HPC, pyBregMan lib @SonyCSL
12K Followers 742 FollowingResearch Scientist, Deepmind
I try to think hard about everything I tweet, esp on 90s football and 80s music
None of my opinions are really someone else's
96 Followers 2K FollowingData & AI @ ENSAE 🤖 | From Dakar to Paris to the world 🌍 | Founder mindset ⚡ | (finance • media • sport • NLP • Crypto ) | Legacy. Growth. Impact.
403 Followers 3K FollowingEconomista e analista de planejamento do IBGE. Economist and civil servant of Brazilian Institute of Geography and Statistics.
14K Followers 7K FollowingOutside the metaverse also sometimes known as Stefan Loesch. Finance. Tech. Banking. Fintech. Blockchain. IDCAP & https://t.co/WrruLg4e2y.
32 Followers 874 FollowingBuilding the world’s cheapest, fastest, greenest, kindest AI compute.
Not hotter waifus!
Only genuinely smart people need apply...
945 Followers 416 FollowingFormer banker turned real estate investor and business coach, I blend financial insight w/ street-smart investing strategies. Life long quest for perfect 🍕
3 Followers 70 Following'Read only' jak na razie. To, że kogoś obserwuje nie oznacza, że popieram.
Warto mieć swoje zdanie ale czasem lepiej zachować je dla siebie.
2K Followers 3K FollowingHaiti, economic history & development, technology, random stuff. Born and raised in Cap-Haïtien. Currently wandering in Africa.
327K Followers 3K FollowingNVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.
64K Followers 3K FollowingScientist at Tufts University; my lab studies anatomical and behavioral decision-making at multiple scales of biological, artificial, and hybrid systems.
165K Followers 0 FollowingInvented principles of meta-learning (1987), GANs (1990), Transformers (1991), very deep learning (1991), etc. Our AI is used many billions of times every day.
45K Followers 1K FollowingNeuroscientist interested in cognitive-emotional brain
Author of The Entangled Brain (MIT Press); The Cogitive-Emotional Brain
Neuroscience & Philosophy Salon
38K Followers 5K FollowingViews of a Transhuman neo-Buddhist from the future on sociology, artificial intelligence, mathematics, philosophy, neonoir film, and the post-singularity era.
40K Followers 2K FollowingNeurogeneticist interested in the relations between genes, brains, and minds. Author of INNATE (2018), FREE AGENTS (2023). https://t.co/PdgAxi6myV
106K Followers 2K FollowingCovering the latest in AI development • ML Eng since 2017 • Building @AlphaSignalAI into the #1 source of news for AI devs → At 250k readers.
49K Followers 673 FollowingProfessor, Santa Fe Institute. Mostly posting on https://t.co/4NpA2IL5Va (at-melaniemitchell). More thoughts at https://t.co/nC43NHRozX.
5K Followers 416 Following#RobotLearning Professor (#MachineLearning #Robotics) at @ias_tudarmstadt of @TUDarmstadt (Part of @ELLISforEurope, @Hessian_AI and @DFKI)
110 Followers 47 FollowingLifelong Learner. Traveler. Founder @Action_Grad. Let’s make this world a better place together. Masters & BC in Product Innovation, BS Mass Comm
19 Followers 222 FollowingI muck about in photography playing with colour, texture, tones & my definition of beauty. Always looking for the kōan within an image. Free love, not fascism.
4K Followers 940 FollowingThe Official Twitter Account of ALIFE Conferences.
The 2025 Conference on Artificial Life - Kyoto (Japan), 6-10 October. #ALIFE2025
40K Followers 291 FollowingMacroeconomist/investment professional. Author: The Collapse of Global Liberalism. Host of the Multipolarity podcast, @MultipolarPod.
73K Followers 16K FollowingM.A.
An American Journalist in China, Published Author, Radio Show Host, Podcaster & Media Commentator. This is my personal account and all opinions are my own.
496 Followers 2K FollowingQuantum thinker, ever curious, explorer, always learning, traveler, lover of life. Opinions are my own and may change w/o notice
15K Followers 34 Following1st Genes Restored Across Chromosomes and 1st Cancer Stem Cell Eradication in a human in history. Developed to save my late wife, perfected to save my son.
16K Followers 903 Following🎙️Christ•minded American 🇺🇸 | Comedian, ⌖Headhunter, Grammar Nazi, AI Denier, Psyop-Spotter, Truth Seeker, Book Reader, Conspiracy Psychic
2K Followers 209 FollowingApplying analytical thinking to today’s problems while trying to keep my check engine light off - respecter of realism and (pre-)progressive politics.
39K Followers 694 FollowingDesigner & maker
✦ I help founders build products people love
✦ Built 60+ products for high-growth startups.
See work → https://t.co/TgoHSKsCPN | Book a call ↓
38K Followers 485 FollowingDigital Geometer, Assoc. Prof. of Computer Science & Robotics @CarnegieMellon @SCSatCMU and member of the @GeomCollective. There are four lights.