Recent Posts

Look for Lone Correct Contrarians

by Gram_Stone | 20v (27c)

Prediction challenge: Zika and birth rates

by NancyLebovitz | 8v (5c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

Meetup : Less Wrong NH Meetup

by Tuk | 0v (0c)

After Go, what games should be next for DeepMind?

by InquilineKea | 4v (73c)

True answers from AI: Summary

by Stuart_Armstrong | 4v (4c)

Meetup : Moscow meetup: Aristotle project, reference class practice, order team meeting

by berekuk | 0v (0c)

Astrobiology, Astronomy, and the Fermi Paradox II: Space & Time Revisited

by CellBioGuy | 23v (35c)

Rationality Reading Group: Part V: Value Theory

by Gram_Stone | 6v (31c)

AlphaGo versus Lee Sedol

by gjm | 17v (183c)

Two super-intelligences (evolution and science) already exist: what could we learn from them in terms of AI's future and safety?

by turchin | 0v (3c)

Cross-Cultural maps and Asch's Conformity Experiment

by Sable | 6v (16c)

Purposeful Anti-Rush

by Elo | 4v (7c)

Meetup : Washington, D.C.: Fun & Games

by RobinZ | 0v (0c)

Would you notice if science died?

by Douglas_Knight | 4v (40c)

Meetup : Ann Arbor Meetup - Meditation

by Bound_up | 0v (0c)

Many Worlds against Simulation?

by Coacher | 2v (8c)

Cultivate the desire to X

by Elo | 3v (1c)

Open Thread March 7 - March 13, 2016

by Elo | 4v (125c)

Outreach Thread

by Gleb_Tsipursky | 6v (20c)

What is the future of nootropic drugs? Why can't there be ones more effective than ones that have existed for 15+ years?

by InquilineKea | 5v (20c)

Preference over preference

by Elo | 5v (3c)

Updating towards the simulation hypothesis because you think about AI

by SoerenMind | 9v (21c)

Rationality Quotes Thread March 2016

by elharo | 5v (44c)

On Making Things

by Gram_Stone | 11v (13c)

AIFoom Debate - conclusion?

by Bound_up | 11v (48c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

Education as Entertainment and the Downfall of LessWrong

by SquirrelInHell | 9v (30c)

Meetup : London rationalish meetup - 2016-03-06

by philh | 0v (0c)

Meetup : Sydney pub meetup

by Elo | 1v (0c)

Meetup : San Francisco Meetup: Projects

by rocurley | 0v (0c)

Black box knowledge

by Elo | 2v (7c)

Rationality 101 - how would you introduce a person to the rationalist concepts? What are the best topics to learn/explain first?

by rayalez | 2v (16c)

[paper] [link] Defining human values for value learners

by Kaj_Sotala | 5v (6c)

Procrastination checklist

by Elo | 4v (4c)

Meetup : LW Melb Rationality Dojo, March: A deep dive into Effective Altruism

by Chriswaterguy | 0v (0c)

AI as a resolution to the Fermi Paradox.

by Raiden | 1v (24c)

Request for advice: high school transferring

by argella42 | 7v (33c)

Meetup : Washington, D.C.: Designing Games

by RobinZ | 0v (0c)

March 2016 Media Thread

by ArisKatsaris | 3v (36c)

The map of nanotech global catastrophic risks

by turchin | 1v (6c)

I'm planning a rationalist technique-demonstrating sequel to HPMOR. I know about the Virtue of Silence. Are there any skills I should leave out?

by b_sen | 0v (0c)

Meetup : San Antonio Meetup

by Bryan-san | 0v (0c)

Open Thread Feb 29 - March 6, 2016

by Elo | 4v (285c)

Meetup : Ann Arbor Meetup - Saturday, March 5, 7 PM, Amer's

by Bound_up | 0v (1c)

Goal setting journal (March 2016)

by Clarity | 3v (12c)

Weekly LW Meetups

by FrankAdamek | 0v (0c)

If there IS alien super-inteligence in our own galaxy, then what it could be like?

by Coacher | 6v (58c)

Is altruistic deception really necessary? Social activism and the free market

by PhilGoetz | 3v (96c)

The Philosophical Implications of Quantum Information Theory

by lisper | 5v (55c)

Toy model: convergent instrumental goals

by Stuart_Armstrong | 8v (2c)

Discussion: weighting inside view versus outside view on extinction events

by Ilverin | 3v (4c)

Meetup : San Francisco Meetup: Fun and Games

by rocurley | 0v (0c)

Rationality Reading Group: Part U: Fake Preferences

by Gram_Stone | 4v (5c)

Meetup : Seattle Rationality Reading Group

by CBHacking | 0v (0c)

Meetup : Washington, D.C.: Mini Talks

by RobinZ | 0v (0c)

If there was one element of statistical literacy that you could magically implant in every head, what would it be?

by enfascination | 3v (67c)

The map of global catastrophic risks connected with biological weapons and genetic engineering

by turchin | 6v (14c)

Meetup : San Francisco Meetup: Rationality Diary

by rocurley | 0v (0c)

Open Thread Feb 22 - Feb 28, 2016

by Elo | 5v (228c)

Meetup : Saint Petersburg Game meetup

by AvImd | 0v (0c)

[Link] Using Stories to Teach Human Values to Artificial Agents

by Gunnar_Zarncke | 1v (4c)

The Talos Principle

by kranalee | 2v (7c)

Use unique, non-obvious terms for nuanced concepts

by malcolmocean | 18v (13c)

Thyroid Hormones, Chronic Fatigue and Fibromyalgia: A Hypothesis and a Proposed Experiment

by johnlawrenceaspden | 3v (36c)

Meetup : London rationalish meetup, 2016-02-21

by philh | 0v (1c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

Weekly LW Meetups

by FrankAdamek | 0v (0c)

[spoilers] EY's “A Girl Corrupted...?!” new story is an allegorical study of quantum immortality?

by Algernoq | 5v (23c)

Meetup : Less Wrong NH Meetup

by Tuk | 0v (0c)

Posting to Main currently disabled

by Vaniver | 22v (6c)

LINK: Videogame with a very detailed simulated universe

by polymathwannabe | 1v (22c)

Meetup : San Antonio Meetup

by Bryan-san | 0v (0c)

Goal completion: noise, errors, bias, prejudice, preference and complexity

by Stuart_Armstrong | 4v (10c)

Meetup : Moscow meetup: Hamming circle, Fallacymania, Tower of Chaos

by berekuk | 0v (0c)

Meetup : Baltimore Area Meetup: Futurology / Open Discussion

by iarwain1 | 0v (0c)

The ethics of eating meat

by necate | 6v (59c)

Estimating the probability of human extinction

by philosophytorres | 5v (33c)

Critique on my attempt to teach rationality

by Bound_up | 3v (12c)

The Value of Those in Effective Altruism

by Gleb_Tsipursky | 13v (14c)

Meetup : Games in Kocherga club: FallacyMania, Tower of Chaos, Training game

by Alexander230 | 1v (0c)

Meetup : Moscow 2nd LW group meetup

by Alexander230 | 1v (0c)

Should we admit it when a person/group is "better" than another person/group?

by adamzerner | 0v (64c)

Meetup : MelbLW Social Meetup: Feb 2016

by Maelin | 1v (0c)

Meetup : Washington, D.C.: Fun & Games

by RobinZ | 1v (0c)

Meetup : LW Cologne meetup

by EGI | 1v (0c)

Unofficial Canon on Applied Rationality

by ScottL | 28v (32c)

Less Wrong Karma Chart Website

by ScottL | 21v (24c)

Open Thread Feb 16 - Feb 23, 2016

by Elo | 5v (104c)

Meetup : Rationality Meetup Vienna

by AnnaLeptikon | 1v (0c)

A Medical Mystery: Thyroid Hormones, Chronic Fatigue and Fibromyalgia

by johnlawrenceaspden | 23v (159c)

Does Kolmogorov complexity imply a bound on self-improving AI?

by contravariant | 4v (14c)

Group Rationality Diary, February 2016

by AspiringRationalist | 4v (4c)

Cheerful one-liners and disjointed anecdotes

by Romashka | 5v (14c)

On 'Why Global Poverty?' and Arguments from Unobservable Impacts

by Gram_Stone | 8v (2c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

Where does our community disagree about meaningful issues?

by ChristianKl | 16v (55c)

Meetup : Washington, D.C.: National Portrait Gallery/American Art Museum

by RobinZ | 1v (0c)

Meetup : Sydney Rationality Dojo - March

by luminosity | 1v (0c)

Meetup : San Francisco Meetup: Projects

by rocurley | 1v (0c)

Meetup : LessWrong Sao Paulo monthly meetup

by leohmarruda | 2v (0c)

Meetup : Ann Arbor Meetup, 2/19/16

by Bound_up | 1v (24c)

Rationality Reading Group: Part T: Science and Rationality

by Gram_Stone | 5v (0c)

The Brain Preservation Foundation's Small Mammalian Brain Prize won

by gwern | 43v (42c)

Religious and Rational?

by Gleb_Tsipursky | 3v (86c)

Meetup : Quantum Homeschooling

by JoshuaFox | 1v (0c)

Is Spirituality Irrational?

by lisper | 5v (429c)

Require contributions in advance

by Viliam | 53v (26c)

Altruistic parenting

by Clarity | 1v (22c)

Lesswrong Survey - invitation for suggestions

by Elo | 10v (29c)

Open Thread, Feb 8 - Feb 15, 2016

by Elo | 4v (215c)

Conveying rational thinking about long-term goals to youth and young adults

by Gleb_Tsipursky | 8v (9c)

Meetup : Less Wrong NH Meetup

by Tuk | 1v (0c)

Request for help with economic analysis related to AI forecasting

by ESRogs | 6v (13c)

Weekly LW Meetups

by FrankAdamek | 1v (1c)

[Link] How I Escaped The Darkness of Mental Illness

by Gleb_Tsipursky | 5v (10c)

Meetup : London Rationalish meetup, 7/2/16

by philh | 1v (0c)

Meetup : San Francisco Meetup: Fun and Games

by rocurley | 1v (0c)

Gamify your goals: How turning your life into a game can help help you make better decisions and be more productive

by BayesianMind | 14v (11c)

A Rationalist Guide to OkCupid

by Jacobian | 24v (66c)

Value learners & wireheading

by Manfred | 5v (3c)

Upcoming LW Changes

by Vaniver | 46v (105c)

Meetup : Rationality Dojo: Habits

by Calien | 1v (0c)

Meetup : Washington, D.C.: Fermi Estimates

by RobinZ | 1v (0c)

The AI That Pretends To Be Human

by Houshalter | 1v (69c)

Rationality Quotes Thread February 2016

by elharo | 5v (92c)

Principia Compat. The potential Importance of Multiverse Theory

by MakoYass | -1v (29c)

February 2016 Media Thread

by ArisKatsaris | 3v (46c)

Open thread, Feb. 01 - Feb. 07, 2016

by MrMind | 3v (177c)

AI safety in the age of neural networks and Stanislaw Lem 1959 prediction

by turchin | 8v (9c)

Meetup : LW Melb Rationality Dojo. Including: "Critical Thoughts on Nutritional Recommendations"

by Chriswaterguy | 1v (0c)

Identifying bias. A Bayesian analysis of suspicious agreement between beliefs and values.

by Stefan_Schubert | 7v (26c)

[LINK] How A Lamp Took Away My Reading And A Box Brought It Back

by CronoDAS | 9v (4c)

[moderator action] The_Lion and The_Lion2 are banned

by Viliam_Bur | 51v (40c)

Yoshua Bengio on AI progress, hype and risks

by V_V | 7v (6c)

Positive utility in an infinite universe

by casebash | 1v (12c)

Meetup : San Antonio Meetup Discussion (Topic: Pre-Hindsight)

by Bryan-san | 1v (0c)

Clearing An Overgrown Garden

by Anders_H | 9v (14c)

Meetup : Role playing game based on HPMOR in Moscow

by Alexander230 | 1v (0c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

The Number Choosing Game: Against the existence of perfect theoretical rationality

by casebash | -1v (151c)

Studying Your Native Language

by Crux | 4v (7c)

What's wrong with this picture?

by CronoDAS | 15v (80c)

Perhaps a better form factor for Meetups vs Main board posts?

by lionhearted | 14v (8c)

Meetup : San Francisco Meetup: Cooking

by rocurley | 1v (0c)

Rationality Reading Group: Part S: Quantum Physics and Many Worlds

by Gram_Stone | 3v (1c)

[Link] AlphaGo: Mastering the ancient game of Go with Machine Learning

by ESRogs | 14v (122c)

The case for value learning

by leplen | 4v (7c)

Meetup : Washington, D.C.: Fun & Games

by RobinZ | 1v (0c)

AI Fiction - Crystal Society

by Gleb_Tsipursky | 1v (21c)

Learning Mathematics in Context

by Crux | 5v (35c)

Meetup : Sydney Rationality Dojo - February 2016

by luminosity | 1v (0c)

Meetup : Rationality Meetup Vienna

by AnnaLeptikon | 1v (0c)

The Charity Impact Calculator

by Gleb_Tsipursky | 6v (15c)

Open thread, Jan. 25 - Jan. 31, 2016

by username2 | 3v (169c)

Goal completion: algorithm ideas

by Stuart_Armstrong | 4v (1c)

The map of quantum (big world) immortality

by turchin | 2v (75c)

Study partner matching thread

by AspiringRationalist | 5v (15c)

Beware surprising and suspicious convergence

by Thrasymachus | 14v (6c)

"Why Try Hard" Essay targeted at non rationalists

by lifelonglearner | 3v (20c)

[Link] Video Presentation: Rationality 101 for Secular People

by Gleb_Tsipursky | 5v (0c)

Meetup : LessWrong Aus Online Hangout

by Calien | 2v (1c)

Meetup : San Francisco Meetup: Group Debugging

by rocurley | 1v (0c)

Map:Territory::Uncertainty::Randomness – but that doesn’t matter, value of information does.

by Davidmanheim | 6v (21c)

Weekly LW Meetups

by FrankAdamek | 2v (0c)

Meetup : London diaspora meetup: weird foods - 24/01/2016

by philh | 1v (0c)

Meetup : Palo Alto Meetup: Lightning Talks

by Anders_H | 0v (0c)

Goal completion: the rocket equations

by Stuart_Armstrong | 4v (13c)

Could a digital intelligence be bad at math?

by leplen | 3v (21c)

Celebrating All Who Are in Effective Altruism

by Gleb_Tsipursky | 21v (39c)

Meetup : Washington, D.C.: [Postponed for snow]

by RobinZ | 1v (0c)

Spreading rationality through engagement with secular groups

by Gleb_Tsipursky | 15v (9c)

Anxiety and Rationality

by helldalgo | 32v (31c)

How did my baby die and what is the probability that my next one will?

by deprimita_patro | 22v (23c)

Meetup : MelbLW Social Meetup: Jan 2016

by Maelin | 1v (0c)

Open thread, Jan. 18 - Jan. 24, 2016

by MrMind | 4v (201c)

Meetup : LW Cologne meetup

by EGI | 1v (0c)

"Why Optimize?" Essay targeted at nonrationalist friends of mine

by lifelonglearner | 1v (12c)

Thinking About a Technical Solution to Coordination Problems

by ChaosMote | 6v (10c)

Meetup : Cambridge Less Wrong: Tutoring Wheels

by jimrandomh | 1v (0c)

To contribute to AI safety, consider doing AI research

by Vika | 26v (39c)

Meetup : Games in Kocherga club: FallacyMania, Tower of Chaos, Training game

by Alexander230 | 1v (0c)

Meetup : Less Wrong NH Meetup

by Tuk | 1v (0c)

The correct response to uncertainty is not half-speed

by AnnaSalamon | 77v (40c)

Meetup : Tel Aviv: Nick Lane's Vital Question

by Squark | 1v (0c)

Weekly LW Meetups

by FrankAdamek | 3v (0c)

[LINK] Common fallacies in probability (when numbers aren't used)

by Stuart_Armstrong | 7v (9c)

[link] "The Happiness Code" - New York Times on CFAR

by Kaj_Sotala | 13v (12c)

Meetup : San Francisco Meetup: Short Talks

by rocurley | 1v (0c)

Meetup : Finding Effective Altruism with Biased Inputs on Options - LA Rationality Weekly Meetup

by Davidmanheim | 1v (1c)

Rationality Reading Group: Part R: Physicalism 201

by Gram_Stone | 4v (3c)

Welcome to LessWrong (January 2016)

by Clarity | 7v (15c)

Meetup : Washington, D.C.: Economics Discussion

by RobinZ | 2v (0c)

Extending the stated objectives

by Stuart_Armstrong | 6v (2c)

[Stub] Ontological crisis = out of environment behaviour?

by Stuart_Armstrong | 8v (4c)

Meetup : Baltimore Area: Epistemology of Disagreement

by iarwain1 | 1v (0c)

Tackling the subagent problem: preliminary analysis

by Stuart_Armstrong | 5v (16c)

Open Thread, January 11-17, 2016

by username2 | 3v (180c)

Instrumental behaviour: Inbox zero - A guide

by Elo | 4v (12c)

Gamified psychiatry

by Clarity | -1v (12c)

What can go wrong with the following protocol for AI containment?

by ZoltanBerrigomo | 0v (29c)

[Link] Lifehack article promoting rationality-themed ideas, namely long-term orientation, mere-exposure effect, consider-the-alternative, and agency

by Gleb_Tsipursky | 9v (5c)

Meetup : San Francisco Meetup: Projects

by rocurley | 1v (0c)

Meetup : LessWrong Community Weekend

by blob | 1v (1c)

Variations on the Sleeping Beauty

by casebash | 0v (6c)

Meetup : Discussion of AI as a positive and negative factor in global risk

by agilecaveman | 1v (0c)

Are we failing the ideological Turing test in the case of ISIS? (a crazy ideas thread)

by Val | -1v (108c)

[LINK] OpenAI doing an AMA today

by Vika | 4v (3c)

Consequences of the Non-Existence of Perfect Theoretical Rationality

by casebash | -1v (47c)

Meetup : Moscow meetup: guest talk on why LW community is lazy and cowardly; double crux game

by berekuk | 1v (0c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

A toy model of the treacherous turn

by Stuart_Armstrong | 13v (13c)

Meetup : Rationality Dojo & Picnic in the park

by Chriswaterguy | 1v (3c)

Consciousness and Sleep

by casebash | 8v (35c)

Meetup : Portland meetup - Dojo style.

by Elo | 2v (0c)

Your transhuman copy is of questionable value to your meat self.

by Usul | 12v (140c)

[Link] Huffington Post article about dual process theory

by Gleb_Tsipursky | 9v (2c)

[Stub] The problem with Chesterton's Fence

by Stuart_Armstrong | 4v (49c)

Meetup : Washington, D.C.: Fun & Games

by RobinZ | 1v (0c)

Open Thread, January 4-10, 2016

by polymathwannabe | 5v (430c)

A note about calibration of confidence

by jbay | 12v (35c)

Polling Thread January 2016

by Gunnar_Zarncke | 4v (17c)

Meetup : Palo Alto Meetup: Introduction to Causal Inference

by Anders_H | 0v (0c)

Meetup : Palo Alto Meetup: The Economics of AI

by Anders_H | 0v (0c)

Why CFAR's Mission?

by AnnaSalamon | 38v (55c)

Meetup : London diaspora meetup, 10/01/2016

by philh | 2v (0c)

Intentional Insights and the Effective Altruism Movement – Q & A

by Gleb_Tsipursky | 11v (42c)

Monthly Bragging Thread January 2016

by elharo | 5v (29c)

Rationality Quotes Thread January 2016

by elharo | 5v (244c)

January 2016 Media Thread

by ArisKatsaris | 5v (48c)

Meetup : San Francisco Meetup: Revealed New Years Resolutions

by rocurley | 1v (0c)

Meetup : Washington D.C.: Meta Meetup

by RobinZ | 1v (0c)

Safety engineering, target selection, and alignment theory

by So8res | 17v (11c)

Weekly LW Meetups

by FrankAdamek | 0v (0c)

[LINK] 52 Concepts To Add To Your Cognitive Toolkit

by iarwain1 | 7v (5c)

MIRIx Israel, Meeting summary

by JoshuaFox | 6v (1c)

Rationality Reading Group: Part Q: Joy in the Merely Real

by Gram_Stone | 7v (1c)

[LINK] The Top A.I. Breakthroughs of 2015

by Vika | 10v (1c)

Why You Should Be Public About Your Good Deeds

by Gleb_Tsipursky | 11v (31c)

What EAO has been doing, what it is planning to do, and why donating to EAO is a good idea

by TodesBrot | 9v (17c)

has anyone actually gotten smarter, in the past few years, by studying rationality?

by sboo | 7v (31c)

Levels of global catastrophes: from mild to extinction

by turchin | 3v (19c)

Open Thread, Dec. 28 - Jan. 3, 2016

by Clarity | 10v (144c)

Sports

by adamzerner | 12v (25c)

Weekly LW Meetups

by FrankAdamek | 1v (0c)

Meetup : Rationality Meetup Vienna

by AnnaLeptikon | 1v (0c)

Why CFAR? The view from 2015

by PeteMichaud | 46v (63c)

FHI is hiring researchers!

by Stuart_Armstrong | 13v (1c)

Meetup : Washington, D.C.: Holidays & Socialization

by RobinZ | 1v (0c)

Voiceofra is banned

by NancyLebovitz | 21v (222c)