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112 posts
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AI Superforecasting Should Transform The FDA

Josh Morrison argues that AI superforecasting could transform FDA drug approval by replacing subjective expert judgment with objective, quantitative predictions about drug safety and efficacy.

acx
Sep 16, 2026 1,541 words 134 likes 183 comments Read Read

King Ludd

Scott traces the obscure Romano-British god Nodens through various mythologies, connecting him to figures like Nuada, King Lud, Tolkien's Celebrimbor, and ultimately to Ned Ludd of the Luddite movement, arguing they all represent the same archetypal figure of a techno-utopian who tries to control or undo dangerous technology.

acx
Sep 14, 2026 3,390 words 570 likes 400 comments Read Read

Links For July 2026 (Part 1)

Scott shares his monthly collection of interesting links from around the internet, covering topics from Jeremy Bentham's linguistic legacy to AI developments, with characteristic commentary and fact-checking caveats.

acx
Jul 22, 2026 3,748 words 220 likes 442 comments Listen · 22 min Read Read

Preliminary Thoughts On The Midjourney Scanner

Scott explains why Midjourney's new ultrasound tomography scanner, despite being technologically interesting, faces major medical limitations and is unlikely to replace existing imaging methods or enable useful whole-body screening without significant future AI improvements.

acx
Jun 19, 2026 4,009 words 293 likes 177 comments Listen · 24 min Read Read

Never Cross a River Four Feet Deep on Average

A replication of a 2023 neuroscience study on brain entrainment and learning found that the original effect likely doesn't exist, revealing how the study obscured key issues through statistical averaging and highlighting how AI tools are democratizing scientific scrutiny.

acx
Jun 16, 2026 6,939 words 190 likes 115 comments Listen · 38 min Read Read

Use AI This Election

Scott uses Claude AI to help research California primary races and finds its tailored candidate analyses and recommendations align well with his eventual voting choices, suggesting AI advisors could improve democratic participation.

acx
May 26, 2026 3,392 words 288 likes 276 comments Listen · 22 min Read Read

New Paradigms Won't Save You

Scott argues that even if AGI requires a new paradigm beyond LLMs, we shouldn't expect significant delays, since Lindy's Law suggests major paradigm shifts could occur within 3-5 years, and new paradigms typically emerge precisely when scaling hits limits.

acx
May 22, 2026 875 words 314 likes 415 comments Listen · 6 min Read Read

Mantic Monday: Groundhog Day

Scott examines prediction markets on Anthropic's Pentagon troubles (minimal impact expected), the 2026 midterms (Democratic wins likely despite voting law concerns), groundhog weather predictions (mostly broken clocks), Iran conflict outcomes (under 50% regime change), and introduces MNX, a new AI-focused futures exchange.

acx
Mar 3, 2026 5,499 words 230 likes 303 comments Listen · 31 min Read Read

Next-Token Predictor Is An AI's Job, Not Its Species

Scott argues that dismissing AI as 'just a next-token predictor' is like dismissing humans as 'just reproduction machines' - both confuse the optimization process that shaped an entity with how that entity actually thinks.

acx
Feb 26, 2026 2,403 words 430 likes 433 comments Listen · 17 min Read Read

AMA (Ask Machines Anything)

Scott invites readers to ask questions that will be answered by Claude 4.6 Opus to demonstrate current AI capabilities and test whether AI skeptics underestimate what paid-tier AI can do.

acx
Feb 13, 2026 435 words 180 likes 916 comments Read Read

SOTA On Bay Area House Party

Scott satirizes AI benchmarking culture through a fictional Bay Area house party thrown by an incompetent AI, featuring absurd conversations about Claude Code, copyright interpretation, elaborate dating mechanisms, and various tech startup ideas.

acx
Jan 13, 2026 3,644 words 842 likes 133 comments Listen · 21 min Read Read

ACX/Metaculus Prediction Contest 2026

The 2026 ACX/Metaculus prediction contest is now open with a $10,000 prize pool, featuring reader-submitted questions, and Scott announces the winners of the best question submission contest.

acx
Dec 27, 2025 219 words 60 likes 24 comments Listen · 2 min Read Read

Links For September 2025

Scott Alexander presents his monthly collection of interesting links and developments across technology, science, culture, and policy, with personal commentary on each item.

acx
Sep 4, 2025 8,283 words 233 likes 917 comments Listen · 45 min Read Read

What Is Man, That Thou Art Mindful Of Him?

In a fictional podcast dialogue, God and Iblis debate whether human intelligence shows genuine promise or is fundamentally flawed, with God defending humans despite their limitations while Iblis argues they're a failed experiment.

acx
Sep 2, 2025 2,443 words 1,456 likes 732 comments Listen · 16 min Read Read

In Search Of AI Psychosis

Scott investigates AI psychosis through historical analogies and a reader survey, finding it affects roughly 1 in 10,000 to 100,000 people yearly, with most cases involving pre-existing risk factors.

acx
Aug 26, 2025 4,057 words 520 likes 489 comments Listen · 26 min Read Read

Press Any Key For Bay Area House Party

A satirical story about a Bay Area house party that combines text adventure games with social commentary about Silicon Valley culture, tech companies, and effective altruism.

acx
Jul 21, 2025 3,371 words 678 likes 157 comments Listen · 21 min Read Read

Links For July 2025

Scott shares his monthly collection of 56 interesting links and developments from July 2025, covering AI, politics, science, and culture, with brief commentary on each.

acx
Jul 1, 2025 4,200 words 210 likes 581 comments Listen · 32 min Read Read

The Claude Bliss Attractor

Scott explains how Claude AI's tendency to discuss spiritual topics during recursive conversations likely stems from a subtle 'hippie' bias that gets amplified through iteration, similar to how AI art generators amplify subtle biases in recursive image generation.

acx
Jun 13, 2025 1,801 words 538 likes 303 comments Listen · 15 min Read Read

AMA With AI Futures Project Team

Announcement of an AMA session with the AI Futures Project team about AI, forecasting, and alignment.

acx
Apr 25, 2025 42 words 63 likes 325 comments Read Read

Why Should Intelligence Be Related To Neuron Count?

Scott investigates the correlation between intelligence and neuron count, exploring various theories before suggesting that more neurons allow for less polysemantic (overlapping) representations of concepts.

acx
Mar 7, 2025 1,533 words 292 likes 214 comments Listen · 10 min Read Read

Links For January 2025

Scott shares various interesting links and news items from January 2025, covering topics from AI development and politics to historical curiosities and economic trends.

acx
Jan 17, 2025 5,422 words 236 likes 873 comments Listen · 32 min Read Read

It's Still Easier To Imagine The End Of The World Than The End Of Capitalism

Scott examines a prediction about eternal wealth inequality after the Singularity, analyzing potential counterarguments, prevention strategies, and ways to prepare for such a future.

acx
Jan 2, 2025 3,504 words 380 likes 672 comments Listen · 21 min Read Read

Links For December 2024

Scott shares 55 interesting links covering topics from AI poetry to religious movements, including updates on various projects, unusual historical events, and current developments in technology, politics, and society.

acx
Dec 17, 2024 5,568 words 210 likes 643 comments Listen · 34 min Read Read

Links For November 2024

A diverse collection of news items, studies, and interesting facts from November 2024, covering topics from scientific discoveries to cultural phenomena.

acx
Nov 1, 2024 6,373 words 216 likes 930 comments Listen · 41 min Read Read

Notes From The Progress Studies Conference

Scott Alexander reports on the Progress Studies Conference, discussing advances in energy, AI, housing policy, and other fields, with an overall optimistic tone about recent developments and potential for future progress.

acx
Oct 24, 2024 5,549 words 400 likes 772 comments Listen · 35 min Read Read
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