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PODCAST

Astral Codex Ten Podcast

The official audio version of Astral Codex Ten, with an archive of posts from Slate Star Codex. It"s just me reading Scott Alexander"s blog posts.

technology

All Episodes

06:41

You Have Only X Years To Escape Permanent Moon Ownership

Astral Codex Ten Podcast ·

2026/01/23

If you're not familiar with "X years to escape the permanent underclass", see the New Yorker here, or the Laine, Bear, and Trammell/Dwarkesh articles that inspired it. The "permanent underclass" meme isn't being spread by poor people - who are already part of the underclass, and generally not worrying too much about its permanence. It's preying on neurotic well-off people in Silicon Valley, who fret about how they're just bourgeois well-off rather than future oligarch well-off, and that only the

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55:36

Highlights From The Comments On Vibecession

Astral Codex Ten Podcast ·

2026/01/10

[Original post: Vibecession - Much More Than You Wanted To Know] Table of Contents 1: When was the vibecession? 2: Is the vibecession just sublimating cultural complaints? 3: Discourse downstream of the Mike Green $140K poverty line post 4: What about other countries? 5: Comments on rent/housing 6: Comments on inflation 7: Comments on vibes 8: Other good comments 9: The parable of Calvin's grandparents 10: Updates / conclusions

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01:19

ACX/Metaculus Prediction Contest 2026

Astral Codex Ten Podcast ·

2026/01/10

This year's prediction contest is live on Metaculus. They write: This year's contest draws directly from that community, with all questions suggested by ACX readers. Both experienced forecasters and newcomers are invited to participate, making predictions across U.S. politics, AI, international affairs, and culture. To participate, submit your predictions by January 17th at 11:59 PM PT. At that time, we will take a snapshot of all standing forecasts, which will determine the contest rankings and

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15:04

Against Against Boomers

Astral Codex Ten Podcast ·

2026/01/10

Hating Boomers is the new cool thing. Amazon offerings include A Generation Of Sociopaths: How The Baby Boomers Betrayed America, the two apparently unrelated books How The Boomers Took Their Children's Future and How The Boomers Stole Millennials' Future, and Boomers: The Men And Women Who Promised Freedom But Delivered Disaster. "You don't hate Boomers enough" has become a popular Twitter catchphrase. Richard Hanania, who has tried hating every group once, has decided that hating Boomers is

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06:31

The Pledge

Astral Codex Ten Podcast ·

2026/01/10

This holiday season, you'll see many charity fundraisers. I've already mentioned three, and I have another lined up for next week's open thread. Many great organizations ask me to signal-boost them, I'm happy to comply, and I'm delighted when any of you donate. Still, I used to hate this sort of thing. I'd be reading a blog I liked, then - wham, "please donate to save the starving children". Now I either have to donate to starving children, or feel bad that I didn't. And if I do donate, how much

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51:33

Links For December 2025

Astral Codex Ten Podcast ·

2026/01/06

[I haven't independently verified each link. On average, commenters will end up spotting evidence that around two or three of the links in each links post are wrong or misleading. I correct these as I see them, and will highlight important corrections later, but I can't guarantee I will have caught them all by the time you read this.] https://www.astralcodexten.com/p/links-for-december-2025

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42:03

Vibecession: Much More Than You Wanted To Know

Astral Codex Ten Podcast ·

2026/01/06

The term "vibecession" most strictly refers to a period 2023 - 2024 when economic indicators were up, but consumer sentiment ("vibes") was down. But on a broader level, the whole past decade has been a vibecession. Young people complain they've been permanently locked out of opportunity. They will never become homeowners, never be able to support a family, only keep treading water at precarious gig jobs forever. They got a 5.9 GPA and couldn't get into college; they applied to 2,051 companies in the

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12:34

The Good News Is That One Side Has Definitively Won...

Astral Codex Ten Podcast ·

2025/12/17

…the bad news is that they can't agree which one. I explained the debate more here, but the short version is: twin studies find that most traits are at least 50% genetic, sometimes much more. But molecular studies - that is, attempts to find the precise genes responsible - usually only found enough genes for the traits to be ~10-20% genetic. The remaining 35% was dubbed "missing heritability". Nurturists argued that the twin studies must be wrong; hereditarians argued that missing effect must be in

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28:52

Why AI Safety Won't Make America Lose The Race With...

Astral Codex Ten Podcast ·

2025/12/02

If we worry too much about AI safety, will this make us "lose the race with China"1? (here "AI safety" means long-term concerns about alignment and hostile superintelligence, as opposed to "AI ethics" concerns like bias or intellectual property.) Everything has tradeoffs, regulation vs. progress is a common dichotomy, and the more important you think AI will be, the more important it is that the free world get it first. If you believe in superintelligence, the technological singularity, etc, then

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25:49

The New AI Consciousness Paper

Astral Codex Ten Podcast ·

2025/12/02

Most discourse on AI is low-quality. Most discourse on consciousness is super-abysmal-double-low quality. Multiply these - or maybe raise one to the exponent of the other, or something - and you get the quality of discourse on AI consciousness. It's not great. Out-of-the-box AIs mimic human text, and humans almost always describe themselves as conscious. So if you ask an AI whether it is conscious, it will often say yes. But because companies know this will happen, and don't want to give their

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01:35

Suggest Questions For Metaculus/ACX Forecasting Contest

Astral Codex Ten Podcast ·

2025/12/02

ACX has been co-running a forecasting contest with Metaculus for the past few years. Lately the "co-running" has drifted towards them doing all the work and giving me credit, but that's how I like it! Last year's contest included more than 4500 forecasters predicting on 33 questions covering US politics, international events, AI, and more. They're preparing for this year's contest, and currently looking for interesting questions. These could be any objective outcome that might or might not happen

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20:28

What Happened To SF Homelessness?

Astral Codex Ten Podcast ·

2025/12/02

Last year, I wrote that it would be very hard to decrease the number of mentally ill homeless people in San Francisco. Commenters argued that no, it would be easy, just build more jails and mental hospitals. A year later, San Francisco feels safer. Visible homelessness is way down. But there wasn't enough time to build many more jails or mental hospitals. So what happened? Were we all wrong? Probably not. I only did a cursory investigation, and this is all low-confidence, but it looks like: There

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05:59

In What Sense Is Life Suffering?

Astral Codex Ten Podcast ·

2025/12/02

"Life is suffering" may be a Noble Truth, but it feels like a deepity. Yes, obviously life includes suffering. But it also includes happiness. Many people live good and happy lives, and even people with hard lives experience some pleasant moments. This is the starting point of many people's objection to Buddhism. They continue: if nirvana is just a peaceful state beyond joy or suffering, it sounds like a letdown. An endless gray mist of bare okayness, like death or Britain. If your life was

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17:12

The Bloomer's Paradox

Astral Codex Ten Podcast ·

2025/12/02

In Jason Pargin's I'm Starting To Worry About This Black Box Of Doom, a manic pixie dream girl cajoles a shut-in incel loser to drive her and her mysterious box cross-country. The further they drive, the more evidence starts to build that she is a terrorist and her box is a nuke. As our protagonist becomes increasingly desperate to turn around and return to his comfortable world of social media feeds and psych meds, she pleads with him to come out of his shell, learn to trust people offline, and

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07:32

Writing For The AIs

Astral Codex Ten Podcast ·

2025/11/23

American Scholar has an article about people who "write for AI", including Tyler Cowen and Gwern. It's good that this is getting more attention, because in theory it seems like one of the most influential things a writer could do. In practice, it leaves me feeling mostly muddled and occasionally creeped out. "Writing for AI" means different things to different people, but seems to center around: Helping AIs learn what you know. Presenting arguments for your beliefs, in the hopes that AIs

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37:49

Links For October 2025

Astral Codex Ten Podcast ·

2025/11/23

[I haven't independently verified each link. On average, commenters will end up spotting evidence that around two or three of the links in each links post are wrong or misleading. I correct these as I see them, and will highlight important corrections later, but I can't guarantee I will have caught them all by the time you read this.] https://www.astralcodexten.com/p/links-for-october-2025

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24:31

Model City Monday 10/27/25

Astral Codex Ten Podcast ·

2025/11/23

Would You Like To Buy A Bahama? The Bahamas is an archipelago-nation of 400,000 people scattered across 3,000 small islands. The Bahamas' most populous island is the one with its capital, Nassau. The second-most-populous - and fifth-largest, and most-pretentiously-named - is Grand Bahama, home of Freeport, the archipelago's second city. Grand Bahama has a unique history. In 1955, it was barely inhabited, with only 500 people scattered across a few villages. The British colonial government turned it

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01:58:33

Highlights From The Comments On Fatima

Astral Codex Ten Podcast ·

2025/11/23

[original post here] The Kasina Connection In the original post, I cited ambiguous later examples of sun miracles which didn't seem to affect everyone equally and in some cases were unconnected (or barely connected) to religious phenomena, concluding that they must be some kind of very unusual illusion. My main hangup with this conclusion was the wild implausibility of an illusion that nobody had ever noticed before, outside of this one 1917 miracle and a few copycats, despite plenty of people

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16:28

Tech PACs Are Closing In On The Almonds

Astral Codex Ten Podcast ·

2025/11/20

I. In my 2019 post Too Much Dark Money In Almonds, I asked: why is there so little money in politics? During the 2018 election, Americans - candidates, parties, PACs, and small donors like you - spent a combined $5 billion pushing their preferred candidates. Although that sounds like a lot of money, Americans spent $12 billion on almonds that same year. Why the imbalance? The oil industry has strong political opinions, and they make $500 billion per year. Do they really think electing oil-friendly

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09:03

Non-Book Review Contest 2025 Winners

Astral Codex Ten Podcast ·

2025/11/20

Thanks to everyone who entered or voted in the Non-Book Review Contest. The winners are: 1st: Joan of Arc, by William Friedman. William is a history enthusiast and author who lives in California, where he spends his time reading, writing, GMing, playing video games and telling people excitedly about all the horrific stuff he learned in his latest history book. His fiction blog is Palace Fiction (which is currently serializing his first novel, The Tragedy of the Titanium Tyrant) and his nonfiction

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1,142 results

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