Realism about rationality – LessWrong 2.0

_Epistemic status: trying to vaguely gesture at vague intuitions. What CFARcalls “purple”. A similar idea was ... (Read More) | Continue reading


@lesswrong.com | 5 years ago

The Kalman Filter for Bayesians

Summary: the Kalman Filter is Bayesian updating applied to systems that arechanging over time, assuming all our distributions are Gaussians and all ourtransformations are linear.Preamble - the general Bayesian approach to estimation: the Kalman filter is anapproach to estimating … | Continue reading


@lesswrong.com | 5 years ago

Unikernels: No Longer an Academic Exercise

INTRODUCTIONI've been following the ... (Read More) | Continue reading


@lesswrong.com | 5 years ago

Unknown Knowns – LessWrong 2.0

Previously (Marginal Revolution): [Gambling Can Save Science](https://marginalrevolution.com/marginalrevolution/2018/08/gambling-can-save-science-2.html)A study was done to attempt to replicate 21 studies published in _Science _and _Nature. _Beforehand, prediction markets were us … | Continue reading


@lesswrong.com | 5 years ago

Leaving LessWrong for a more rational life

You are unlikely to see me posting here again, after today. There is a saying here that politics is the mind-killer. My heretical realization lately is that philosophy, as generally practiced, can also be mind-killing.As many of you know I am, or was running a twice-monthly Ratio … | Continue reading


@lesswrong.com | 5 years ago

The funnel of human experience

_[EDIT: Previous version of this post had a major error. Thanks for ... (ReadMore) | Continue reading


@lesswrong.com | 5 years ago

You're never wrong injecting complexity, but rarely you're right

I just want to put this idea in the form of a post, to gather your impressions.I think it's my main rationalist failure mode.Recently in a Facebook group, some poster has proposed this synthesis ofHarari's book '21 lessons':In the 21st century, three narratives were used to expla … | Continue reading


@lesswrong.com | 5 years ago

Schelling Fences on Slippery Slopes

Slippery slopes are themselves a slippery concept. Imagine trying to explain them to an alien: "Well, we right-thinking people are quite sure that the Holocaust happened, so banning Holocaust denial would shut up some crackpots and improve the discourse. But it's one step on t … | Continue reading


@lesswrong.com | 5 years ago

Anti-Social Punishment and the Public Goods Game

This is a cross post from 250bpm.com [http://250bpm.com/blog:132].INTRODUCTIONThere's a trope among Slovak intellectual elite depicting an average Slovak asliving in a village, sitting a local pub, drinking ... (Read More) | Continue reading


@lesswrong.com | 5 years ago

The Unreasonable Effectiveness of Deep Learning

This essay consists of summaries, explanations, and discussions of severalpapers which provide high-level arguments and intuitions about why,conceptually, deep learning works. Particular areas of investigation are "Whichclasses of functions can deep neural nets approximate well i … | Continue reading


@lesswrong.com | 5 years ago

Guardians of the Truth (2007)

**Followup to**:  [Tsuyoku Naritai](/lw/h8/tsuyoku_naritai_i_want_to_become_stronger/), [Reversed Stupidity is not Intelligence](/lw/lw/reversed_stupidity_is_not_intelligence/)The criticism is sometimes leveled against rationalists:  "The Inquisition thought _they_ had the truth! … | Continue reading


@lesswrong.com | 5 years ago

That Alien Message (2008)

**Followup to**:  [Einstein's Speed](/lw/qj/einsteins_speed/)Imagine a world much like this one, in which, thanks to gene-selection technologies, the average IQ is 140 (on our scale).  Potential Einsteins are one-in-a-thousand, not one-in-a-million; and they grow up in a school s … | Continue reading


@lesswrong.com | 5 years ago

Beware of Other-Optimizing (2009)

**Previously in series**:  [Mandatory Secret Identities](/lw/9c/mandatory_secret_identities/)I've noticed a serious problem in which aspiring rationalists vastly overestimate their ability to optimize other people's lives.  And I think I have some idea of how the problem arises.Y … | Continue reading


@lesswrong.com | 5 years ago

Subsidizing Prediction Markets

a working prediction market FUNDED BY TRADERS. If someone else will sponsor/subsidize them, a lot more becomes possible. [https://t.co/OgEMahI7ZS](https://t.co/OgEMahI7ZS)> > — Robin Hanson (@robinhanson) [July 26, 2018](https://twitter.com/robinhanson/status/1022535475410731009 … | Continue reading


@lesswrong.com | 5 years ago

Lifestyle interventions to increase longevity

There is a lot of bad science and controversy in the realm of how to have a healthy lifestyle. Every week we are bombarded with new studies conflicting older studies telling us X is good or Y is bad. Eventually we reach our psychological limit, throw up our hands, and give up. I … | Continue reading


@lesswrong.com | 5 years ago

Strategies of Personal Growth

This is the sort of post I'd feel comfortable writing on FB, don't quite feel comfortable writing on LW for some reason, and am currently trying to override that while taking note of why that is.Recently I was having a conversation with a friend about personal growth (any … | Continue reading


@lesswrong.com | 5 years ago

Machine Learning Analogy for Meditation (illustrated)

Here's an illustrated rendition of a semiformal explanation of certain effects of meditation. It was inspired by, but differs significantly from, Kaj's post on meditation. Some people appreciated ... (Read More)

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@lesswrong.com | 5 years ago

Safely and usefully spectating on AIs optimizing over toy worlds

Consider an AI that is trying to achieve a certain result in a toy world running on a computer. Compare two models of what the AI is and what it's trying to do: first, you could say the AI is a physical program on a computer, which is trying to cause the physical computer tha … | Continue reading


@lesswrong.com | 5 years ago

Melatonin: Much More Than You Wanted to Know

A community blog devoted to refining the art of rationality | Continue reading


@lesswrong.com | 5 years ago

Prediction Markets: When Do They Work

Epistemic Status: Resident ExpertI’m a little late on this, which was an old promise to Robin Hanson (not that he asked for it). I was motivated to deal with this again by the launch of Augur (REP), the crypto prediction market token. And by the crypto prediction market token, I … | Continue reading


@lesswrong.com | 5 years ago

The Best Textbooks on Every Subject

For years, my self-education was stupid and wasteful. I learned by consuming blog posts, Wikipedia articles, classic texts, podcast episodes, popular books, video lectures, peer-reviewed papers, ... (Read More)

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@lesswrong.com | 5 years ago

How to Use Bureaucracies

!... (Read More)

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@lesswrong.com | 5 years ago

Social status and testosterone

We’ve discussed signaling and status endlessly on LW; I think this is right up our vein: a 2011 review of research on the connections betwee | Continue reading


@lesswrong.com | 5 years ago

An optimistic explanation of the outrage epidemic

Lots of people agree the internet is full of outrage content these days. I think this is so obvious I'm not even going to post sources that say it.Why this is the case isn't completely clear. I count at least four common theories which of course aren't exclusive:media … | Continue reading


@lesswrong.com | 5 years ago

Concepts that don't have good words or phrases

I'm constantly on the lookout for _words and phrases that map well to reality. _If you study history and if you study language, even just a little bit, you wind up realizing that for most of history, there was often _a_ distinct lack of words and phrases crucial to understand … | Continue reading


@lesswrong.com | 5 years ago

“Cheating Death in Damascus” Solution to the Fermi Paradox

TL;DR: The Great Filter from the Fermi paradox could be escaped by choosing a random strategy. However, if all civilizations acted randomly, this could be the actual cause of the Fermi paradox. Using a meta-random strategy solves this.----"Death in Damascus" is a decisi … | Continue reading


@lesswrong.com | 5 years ago

Lost Purposes

A community blog devoted to refining the art of rationality | Continue reading


@lesswrong.com | 5 years ago

Well-Kept Gardens Die by Pacifism

Previously in series: My Way
Followup to: ... (Read More)

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@lesswrong.com | 5 years ago

Rationality: A-Z

A community blog devoted to refining the art of rationality | Continue reading


@lesswrong.com | 5 years ago

A New Day (2008)

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@lesswrong.com | 5 years ago

Can the Chain Still Hold You?

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@lesswrong.com | 5 years ago

My Algorithm for Beating Procrastination

Part of the sequence: The Science of Winning at Life

After three months of practice, I now use a single algorithm to beat procrastination most of the times I face it.1 It ... (Read More)

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@lesswrong.com | 5 years ago

Scientific Self-Help: The State of Our Knowledge

Part of the sequence: The Science of Winning at Life

Some have suggested ... (Read More)

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@lesswrong.com | 5 years ago

Optimal Employment

Related to: Best career models for doing research?, (Virtual) Employment Open Thread In the spirit of offering some practical real world a | Continue reading


@lesswrong.com | 5 years ago

How to Be Happy

Part of the sequence: ... (Read More)

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@lesswrong.com | 5 years ago

How to Measure Anything

Douglas Hubbard’s _... (Read More)

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@lesswrong.com | 5 years ago

Biases: An Introduction

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@lesswrong.com | 5 years ago

Cached Thoughts (2007)

... (Read More)

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@lesswrong.com | 5 years ago

A vote against spaced repetition

LessWrong seems to be a big fan of spaced-repetition flashcard programs like Anki, Supermemo, or Mnemosyne. I used to be. After using them religiously for 3 years in medical school, I now categorically advise against using them for large volumes of memorization.

... (Read More)

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@lesswrong.com | 6 years ago