author stringclasses 11
values | title stringlengths 2 899 ⌀ | url stringlengths 18 120 | text stringlengths 9 1.26M | word_count int64 3 199k |
|---|---|---|---|---|
Andrej Karpathy | Finding the Best Sleep Tracker | https://karpathy.bearblog.dev/finding-the-best-sleep-tracker/ | # Finding the Best Sleep Tracker
_ 24 Mar, 2025 _
About 2 months ago I stumbled by this Bryan Johnson video on [How I FIXED My Terrible Sleep - 10 Habits](https://www.youtube.com/watch?v=Wk9p3dhMYdk). I resolved that day to listen to Bryan and try to improve my sleep. But before we can improve it, first - how should... | 1,840 |
Andrej Karpathy | The append-and-review note | https://karpathy.bearblog.dev/the-append-and-review-note/ | # The append-and-review note
_ 19 Mar, 2025 _
A few words on an approach to note taking that I stumbled on and has worked for me quite well for many years. I call it the _"append-and-review note"_. I find that this approach strikes a good balance of being super simple and easy to use but it also captures the majorit... | 755 |
Andrej Karpathy | Digital hygiene | https://karpathy.bearblog.dev/digital-hygiene/ | # Digital hygiene
_ 17 Mar, 2025 _
Every now and then I get reminded about the vast fraud apparatus of the internet, re-invigorating my pursuit of basic digital hygiene around privacy/security of day to day computing. The sketchiness starts with major tech companies who are incentivized to build comprehensive profil... | 1,995 |
Andrej Karpathy | I love calculator | https://karpathy.bearblog.dev/i-love-calculator/ | # I love calculator
_ 08 Sep, 2024 _
The other day I was randomly browsing in a bookstore and stumbled by [Empire of the Sum: The Rise and Reign of the Pocket Calculator](https://www.amazon.com/Empire-Sum-Reign-Pocket-Calculator/dp/0393882144). As I was flipping through its pages, a realization dawned on me with som... | 782 |
Gwern Branwen | 2012 election predictions | https://gwern.net/2012-election | # 2012 election predictions
[Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [politics](/doc/politics/index "Link to politics tag index"), [Bayes](/doc/statistics/bayes/index "Link to statistics/bayes tag index"), [election forecast](/doc/statis... | 4,043 |
Gwern Branwen | 2014 Spirulina randomized self-experiment | https://gwern.net/2014-spirulina | # 2014 Spirulina randomized self-experiment
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [QS](/doc/nootropic/quantified-self/index "Link to nootropic/quantified-self tag index"), [psychology](/doc/psychology/index "Link to psychology tag index"), [statistics](/doc/statistics/index "Link to statistics tag ... | 1,918 |
Gwern Branwen | The Three Grenades and the Four Noble Truths | https://gwern.net/3-grenades | # The Three Grenades and the Four Noble Truths
[CS](/doc/cs/index "Link to cs tag index"), [personal](/doc/personal/index "Link to personal tag index")
CMU game connected to error coding theory
2008-11-24–8y2017-02-08 _finished_ [certainty](/about#confidence-tags "Explanation of 'confidence' metadata: probability of... | 5,778 |
Gwern Branwen | A/B testing long-form readability on Gwern.net | https://gwern.net/ab-test | # A/B testing long-form readability on Gwern.net
[CSS](/doc/cs/css/index "Link to cs/css tag index"), [JS](/doc/cs/js/index "Link to cs/js tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [typography](/doc/design/typography/index "Link to design/typography tag index"), [ads](/doc/economics/advert... | 29,737 |
Gwern Branwen | An Abortion Dialogue | https://gwern.net/abortion | # An Abortion Dialogue
[genetics](/doc/genetics/index "Link to genetics tag index"), [ethics](/doc/philosophy/ethics/index "Link to philosophy/ethics tag index"), [transhumanism](/doc/transhumanism/index "Link to transhumanism tag index")
Dialogue pointing out some difficulties of materialist objections to abortion.
... | 4,127 |
Gwern Branwen | Acne: a good Quantified Self topic | https://gwern.net/acne | # Acne: a good Quantified Self topic
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [acne](/doc/genetics/microbiome/acne/index "Link to genetics/microbiome/acne tag index"), [QS](/doc/nootropic/quantified-self/index "Link to nootropic/quantified-self tag index"), [Bayes](/doc/statistics/bayes/index "Link to... | 3,666 |
Gwern Branwen | LLM Daydreaming | https://gwern.net/ai-daydreaming | # LLM Daydreaming
[neuroscience](/doc/psychology/neuroscience/index "Link to psychology/neuroscience tag index"), [RL exploration](/doc/reinforcement-learning/exploration/index "Link to reinforcement-learning/exploration tag index")
Proposal & discussion of how default mode networks for LLMs are an example of missing... | 2,810 |
Gwern Branwen | Amusing Ourselves to Death? | https://gwern.net/amuse | # Amusing Ourselves to Death?
[sociology of tech](/doc/sociology/technology/index "Link to sociology/technology tag index"), [transhumanism](/doc/transhumanism/index "Link to transhumanism tag index")
A suggested x-risk/Great Filter is the possibility of advanced entertainment technology leading to wireheading/mass s... | 33,218 |
Gwern Branwen | LW anchoring experiment | https://gwern.net/anchoring | # LW anchoring experiment
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [QS](/doc/nootropic/quantified-self/index "Link to nootropic/quantified-self tag index"), [cognitive bias](/doc/psychology/cognitive-bias/index "Link to psychology/cognitive-bias tag index"), [statistics](/doc/statistics/index "Link to... | 3,727 |
Gwern Branwen | Anti-Spaced Repetition for Serendipity | https://gwern.net/anti-spaced-repetition | # Anti-Spaced Repetition for Serendipity
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [Bayes](/doc/statistics/bayes/index "Link to statistics/bayes tag index"), [order statistics](/doc/statistics/order/index "Link to statistics/order tag index")
Proposal: the spacing curve could be used to review only fl... | 2,880 |
Gwern Branwen | Archiving URLs | https://gwern.net/archiving | # Archiving URLs
[Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [Internet archiving](/doc/cs/linkrot/archiving/index "Link to cs/linkrot/archiving tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [CLI](/doc/cs/shell/index "Link to cs/shell tag index"), [meta](/doc/meta/index "Li... | 13,272 |
Gwern Branwen | _Aria_ ’s Past, Present, and Future | https://gwern.net/aria | # _Aria_ ’s Past, Present, and Future
[anime](/doc/anime/index "Link to anime tag index"), [CS](/doc/cs/index "Link to cs tag index"), [literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index"), [Sci-Fi](/doc/fiction/science-fiction/index "Link to fiction/science-fiction tag index")
On d... | 3,289 |
Gwern Branwen | Absolute Unit NNs: Regression-Based MLPs for Everything | https://gwern.net/aunn | # Absolute Unit NNs: Regression-Based MLPs for Everything
[MLP NN](/doc/ai/nn/fully-connected/index "Link to ai/nn/fully-connected tag index"), [RNN](/doc/ai/nn/rnn/index "Link to ai/nn/rnn tag index"), [self-attention](/doc/ai/nn/transformer/attention/index "Link to ai/nn/transformer/attention tag index"), [AI scalin... | 12,773 |
Gwern Branwen | Evolution as Backstop for Reinforcement Learning | https://gwern.net/backstop | # Evolution as Backstop for Reinforcement Learning
[NN](/doc/ai/nn/index "Link to ai/nn tag index"), [tech economics](/doc/economics/automation/index "Link to economics/automation tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [epistemology](/doc/philosophy/epistemology/index "L... | 22,894 |
Gwern Branwen | _Bacopa_ Quasi-Experiment | https://gwern.net/bacopa | # _Bacopa_ Quasi-Experiment
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [_Bacopa_](/doc/nootropic/bacopa/index "Link to nootropic/bacopa tag index"), [QS](/doc/nootropic/quantified-self/index "Link to nootropic/quantified-self tag index"), [psychology](/doc/psychology/index "Link to psychology tag index"... | 3,394 |
Gwern Branwen | Progress In Beauty | https://gwern.net/beauty | # Progress In Beauty
[biology](/doc/biology/index "Link to biology tag index"), [economics](/doc/economics/index "Link to economics tag index"), [history](/doc/history/index "Link to history tag index"), [psychology](/doc/psychology/index "Link to psychology tag index"), [sociology](/doc/sociology/index "Link to socio... | 6,319 |
Gwern Branwen | Best Student Ever! | https://gwern.net/best-student-ever | # Best Student Ever!
[order statistics](/doc/statistics/order/index "Link to statistics/order tag index")
Harold Bloom amusingly recommends all students as his ‘best student ever’; modeled as a ‘record value’ order statistics problem, this is more common than it seems.
2023-08-27–2025-03-22 _finished_ [certainty](/a... | 1,226 |
Gwern Branwen | Making Anime With BigGAN | https://gwern.net/biggan | # Making Anime With BigGAN
[Danbooru AI](/doc/ai/anime/danbooru/index "Link to ai/anime/danbooru tag index"), [BigGAN](/doc/ai/nn/gan/biggan/index "Link to ai/nn/gan/biggan tag index"), [Python](/doc/cs/python/index "Link to cs/python tag index"), [tutorial](/doc/tutorial/index "Link to tutorial tag index")
Experimen... | 8,270 |
Gwern Branwen | Bitcoin Is Worse Is Better | https://gwern.net/bitcoin-is-worse-is-better | # Bitcoin Is Worse Is Better
[Bitcoin](/doc/bitcoin/index "Link to bitcoin tag index"), [cryptography](/doc/cs/cryptography/index "Link to cs/cryptography tag index"), [design](/doc/design/index "Link to design tag index")
2011 essay on how Bitcoin’s long gestation and early opposition indicates it is an example of t... | 11,381 |
Gwern Branwen | Blog Posts | https://gwern.net/blog | # Blog Posts
* 2026
* 2025
* 2024
* 2023
* 2022
* 2021
* 2020
* 2019
* 2018
* 2015
* 2013
* 2011
* View Full Posts
* 2026
* 2025
* 2024
* 2023
* 2022
* 2021
* 2020
* 2019
* 2018
* 2015
* 2013
* 2011
Reverse-chronological index of my short-for... | 786 |
Gwern Branwen | Why To Not Write A Book | https://gwern.net/book-writing | # Why To Not Write A Book
[anxiety](/doc/psychiatry/anxiety/index "Link to psychiatry/anxiety tag index"), [depression](/doc/psychiatry/depression/index "Link to psychiatry/depression tag index"), [writing psychology](/doc/psychology/writing/index "Link to psychology/writing tag index")
A discussion of why I don’t in... | 4,319 |
Gwern Branwen | Candy Japan’s new box A/B test | https://gwern.net/candy-japan | # Candy Japan’s new box A/B test
[Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [design](/doc/design/index "Link to design tag index"), [ads](/doc/economics/advertising/index "Link to economics/advertising tag index"), [RL exploration](/doc/re... | 8,237 |
Gwern Branwen | Cats As Horror Movie Villains | https://gwern.net/cat-horror | # Cats As Horror Movie Villains
Speculation on feline-human fascination being ancestral vigilance triggered by their behavioral similarity to major primate predators, evolutionarily, creating a compelling ‘safe danger’ like watching a captivating villain. We still remember when they ate us.
2025-04-11–2025-05-11 _fin... | 4,923 |
Gwern Branwen | _Cat_ itecture: Better Cat Window Boxes | https://gwern.net/catitecture | # _Cat_ itecture: Better Cat Window Boxes
[cat psychology](/doc/cat/psychology/index "Link to cat/psychology tag index"), [design](/doc/design/index "Link to design tag index")
Cats are not humans, but we design things like they are, for our convenience. What are the design patterns for cat-architecture? One missing ... | 4,016 |
Gwern Branwen | Catnip immunity and alternatives | https://gwern.net/catnip | # Catnip immunity and alternatives
[cat genetics](/doc/cat/genetics/index "Link to cat/genetics tag index"), [catnip](/doc/cat/psychology/drug/catnip/index "Link to cat/psychology/drug/catnip tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [Bayes](/doc/statistics/bayes/index "Link to statistics/... | 14,752 |
Gwern Branwen | World Catnip Surveys | https://gwern.net/catnip-survey | # World Catnip Surveys
[catnip](/doc/cat/psychology/drug/catnip/index "Link to cat/psychology/drug/catnip tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [Japan](/doc/japan/index "Link to japan tag index"), [Bayes](/doc/statistics/bayes/index "Link to statistics/bayes tag index"), [survey](/doc/... | 12,632 |
Gwern Branwen | Why Correlation Usually ≠ Causation | https://gwern.net/causality | # Why Correlation Usually ≠ Causation
[insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [longevity](/doc/longevity/index "Link to longevity tag index"), [epistemology](/doc/philosophy/epistemology/index "Link to philosophy/epistemology tag index"), [cognitive bias](/doc/psychology/cognitive-bia... | 8,090 |
Gwern Branwen | Choosing Software | https://gwern.net/choosing-software | # Choosing Software
[Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [forecasting](/doc/statistics/prediction/index "Link to statistics/prediction tag index"), [tech](/doc/technology/index "Link to technology tag index")
Criteria making software useful long-term & worth learning in detail
2008-09-26–... | 2,325 |
Gwern Branwen | Claude-2: Bats With Baby Faces | https://gwern.net/claude-2 | # Claude-2: Bats With Baby Faces
[GPT-4 fiction](/doc/ai/nn/transformer/gpt/4/fiction/index "Link to ai/nn/transformer/gpt/4/fiction tag index"), [Claude AI](/doc/ai/nn/transformer/gpt/claude/index "Link to ai/nn/transformer/gpt/claude tag index"), [typography](/doc/design/typography/index "Link to design/typography t... | 4,155 |
Gwern Branwen | Dog Cloning For Special Forces: Breed All You Can Breed | https://gwern.net/clone | # Dog Cloning For Special Forces: Breed All You Can Breed
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [dog](/doc/dog/index "Link to dog tag index"), [cloning](/doc/genetics/cloning/index "Link to genetics/cloning tag index"), [dog genetics](/doc/genetics/heritable/dog/index "Link to genetics/heritable/do... | 27,705 |
Gwern Branwen | CO2 Coin: Decentralized Carbon Capture Blockchains | https://gwern.net/co2-coin | # CO2 Coin: Decentralized Carbon Capture Blockchains
[Bitcoin](/doc/bitcoin/index "Link to bitcoin tag index"), [mechanism design](/doc/economics/mechanism-design/index "Link to economics/mechanism-design tag index"), [tech](/doc/technology/index "Link to technology tag index")
Sketch of a decentralized mineralizatio... | 5,834 |
Gwern Branwen | The Kelly Coin-Flipping Game: Exact Solutions | https://gwern.net/coin-flip | # The Kelly Coin-Flipping Game: Exact Solutions
[C (language)](/doc/cs/c/index "Link to cs/c tag index"), [Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [Python](/doc/cs/python/index "Link to cs/python tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [model-based RL](/doc/reinfo... | 21,165 |
Gwern Branwen | Colder Wars | https://gwern.net/colder-war | # Colder Wars
[Sci-Fi](/doc/fiction/science-fiction/index "Link to fiction/science-fiction tag index"), [politics](/doc/politics/index "Link to politics tag index"), [astronomy](/doc/science/physics/astronomy/index "Link to science/physics/astronomy tag index"), [transhumanism](/doc/transhumanism/index "Link to transh... | 5,033 |
Gwern Branwen | What Is The Collecting Mindset? | https://gwern.net/collecting | # What Is The Collecting Mindset?
[economics](/doc/economics/index "Link to economics tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [psychology](/doc/psychology/index "Link to psychology tag index"), [sociology](/doc/sociology/index "Link to sociology tag index")
The activity ... | 5,639 |
Gwern Branwen | Laws of Tech: Commoditize Your Complement | https://gwern.net/complement | # Laws of Tech: Commoditize Your Complement
[AI economics](/doc/ai/scaling/economics/index "Link to ai/scaling/economics tag index"), [economics](/doc/economics/index "Link to economics tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [Google](/doc/technology/google/index "Link to... | 10,402 |
Gwern Branwen | Complexity no Bar to AI | https://gwern.net/complexity | # Complexity no Bar to AI
[AI](/doc/ai/index "Link to ai tag index"), [tech economics](/doc/economics/automation/index "Link to economics/automation tag index"), [AI safety](/doc/reinforcement-learning/safe/index "Link to reinforcement-learning/safe tag index"), [forecasting](/doc/statistics/prediction/index "Link to ... | 9,736 |
Gwern Branwen | How Many Computers Are In Your Computer? | https://gwern.net/computers | # How Many Computers Are In Your Computer?
[computer hardware](/doc/cs/hardware/index "Link to cs/hardware tag index"), [economics](/doc/economics/index "Link to economics tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index")
Any ‘computer’ is made up of hundreds of separate computers ... | 2,809 |
Gwern Branwen | Conscientiousness & Online Education | https://gwern.net/conscientiousness | # Conscientiousness & Online Education
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [IQ](/doc/iq/index "Link to iq tag index"), [psychology](/doc/psychology/index "Link to psychology tag index"), [sociology](/doc/sociology/index "Link to sociology tag index"), [meta-analysis](/doc/statistics/meta-analysis... | 9,838 |
Gwern Branwen | Console Insurance Is A Ripoff | https://gwern.net/console-insurance | # Console Insurance Is A Ripoff
[economics](/doc/economics/index "Link to economics tag index"), [decision theory](/doc/statistics/decision/index "Link to statistics/decision tag index")
Back of envelope financial calculations: Warranties, fine; insurance, no!
2009-03-10–2012-02-0214ya _finished_ [certainty](/about#... | 3,670 |
Gwern Branwen | Against Copyright | https://gwern.net/copyright | # Against Copyright
[compression](/doc/cs/algorithm/information/compression/index "Link to cs/algorithm/information/compression tag index"), [philosophy](/doc/philosophy/index "Link to philosophy tag index"), [politics](/doc/politics/index "Link to politics tag index")
Copyright considered paradoxical, incoherent, an... | 4,303 |
Gwern Branwen | How Often Does Correlation=Causality? | https://gwern.net/correlation | # How Often Does Correlation=Causality?
[economics](/doc/economics/index "Link to economics tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [cognitive bias](/doc/psychology/cognitive-bias/index "Link to psychology/cognitive-bias tag index"), [regression to a mean](/doc/statistics... | 21,022 |
Gwern Branwen | Creatine Cognition Meta-analysis | https://gwern.net/creatine | # Creatine Cognition Meta-analysis
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [DNB](/doc/dual-n-back/index "Link to dual-n-back tag index"), [IQ](/doc/iq/index "Link to iq tag index"), [nootropic](/doc/nootropic/index "Link to nootropic tag index"), [psychology](/doc/psychology/index "Link to psychology... | 5,192 |
Gwern Branwen | Towards Benchmarking LLM Diversity & Creativity | https://gwern.net/creative-benchmark | # Towards Benchmarking LLM Diversity & Creativity
[GPT poetry](/doc/ai/nn/transformer/gpt/poetry/index "Link to ai/nn/transformer/gpt/poetry tag index"), [RL exploration](/doc/reinforcement-learning/exploration/index "Link to reinforcement-learning/exploration tag index"), [AI mode collapse](/doc/reinforcement-learnin... | 4,818 |
Gwern Branwen | Anime Crop Datasets: Faces, Figures, & Hands | https://gwern.net/crop | # Anime Crop Datasets: Faces, Figures, & Hands
[Danbooru AI](/doc/ai/anime/danbooru/index "Link to ai/anime/danbooru tag index"), [ML dataset](/doc/ai/dataset/index "Link to ai/dataset tag index"), [data-augmented GANs](/doc/ai/nn/gan/data-augmentation/index "Link to ai/nn/gan/data-augmentation tag index"), [StyleGAN ... | 5,223 |
Gwern Branwen | Choose-Your-Own-Adventure _AI Dungeon_ Games | https://gwern.net/cyoa | # Choose-Your-Own-Adventure _AI Dungeon_ Games
[NN sampling](/doc/ai/nn/sampling/index "Link to ai/nn/sampling tag index"), [GPT fiction](/doc/ai/nn/transformer/gpt/fiction/index "Link to ai/nn/transformer/gpt/fiction tag index"), [text game](/doc/fiction/text-game/index "Link to fiction/text-game tag index")
Neural ... | 5,963 |
Gwern Branwen | Danbooru2021: A Large-Scale Crowdsourced & Tagged Anime Illustration Dataset | https://gwern.net/danbooru2021 | # Danbooru2021: A Large-Scale Crowdsourced & Tagged Anime Illustration Dataset
[Danbooru AI](/doc/ai/anime/danbooru/index "Link to ai/anime/danbooru tag index")
Danbooru2021 is a large-scale anime image database with 4.9m+ images annotated with 162m+ tags; it can be useful for machine learning purposes such as image ... | 8,215 |
Gwern Branwen | _Death Note_ : L, Anonymity & Eluding Entropy | https://gwern.net/death-note-anonymity | # _Death Note_ : L, Anonymity & Eluding Entropy
[anime](/doc/anime/index "Link to anime tag index"), [information theory](/doc/cs/algorithm/information/index "Link to cs/algorithm/information tag index"), [cryptography](/doc/cs/cryptography/index "Link to cs/cryptography tag index"), [literary criticism](/doc/fiction/... | 10,146 |
Gwern Branwen | _Death Note_ ’s Ending | https://gwern.net/death-note-ending | # _Death Note_ ’s Ending
[anime](/doc/anime/index "Link to anime tag index"), [literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index")
Ambiguous ending of _Death Note_ means even the victor is unclear; who was right?
2008-09-29–4y2012-12-1014ya _finished_ [certainty](/about#confidence... | 4,686 |
Gwern Branwen | Who Wrote The _Death Note_ Script? | https://gwern.net/death-note-script | # Who Wrote The _Death Note_ Script?
[anime](/doc/anime/index "Link to anime tag index"), [Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [Bayes](/doc/statistics/bayes/index "Link to statistics/bayes tag index"), [stylometry](/doc/statistics/st... | 14,463 |
Gwern Branwen | Oh Deer: Could Deer Evolve to Avoid Car Accidents? | https://gwern.net/deer-evolution | # Oh Deer: Could Deer Evolve to Avoid Car Accidents?
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [natural selection](/doc/genetics/selection/natural/index "Link to genetics/selection/natural tag index")
I wondered how fast deer could evolve to avoid car fatalities. Truncation selection with known mortal... | 3,135 |
Gwern Branwen | On Development Hell | https://gwern.net/development-hell | # On Development Hell
[literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index"), [_Star Wars_](/doc/fiction/science-fiction/star-wars/index "Link to fiction/science-fiction/star-wars tag index"), [sociology of tech](/doc/sociology/technology/index "Link to sociology/technology tag index"... | 3,158 |
Gwern Branwen | How Complex Are Individual Differences? | https://gwern.net/difference | # How Complex Are Individual Differences?
[information theory](/doc/cs/algorithm/information/index "Link to cs/algorithm/information tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [IQ](/doc/iq/index "Link to iq tag index"), [psychology](/doc/psychology/index "Link to psychology ... | 8,469 |
Gwern Branwen | Dual _n_ -Back FAQ | https://gwern.net/dnb-faq | # Dual _n_ -Back FAQ
[DNB](/doc/dual-n-back/index "Link to dual-n-back tag index"), [IQ](/doc/iq/index "Link to iq tag index"), [QS](/doc/nootropic/quantified-self/index "Link to nootropic/quantified-self tag index")
A compendium of DNB, WM, IQ information up to 2015.
2009-03-25–10y2019-12-05 _in progress_ [certaint... | 64,644 |
Gwern Branwen | Dual _n_ -Back Meta-Analysis | https://gwern.net/dnb-meta-analysis | # Dual _n_ -Back Meta-Analysis
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [DNB](/doc/dual-n-back/index "Link to dual-n-back tag index"), [IQ](/doc/iq/index "Link to iq tag index"), [scientific bias](/doc/statistics/bias/index "Link to statistics/bias tag index"), [meta-analysis](/doc/statistics/meta-ana... | 11,718 |
Gwern Branwen | Darknet Market Archives (2013–2015) | https://gwern.net/dnm-archive | # Darknet Market Archives (2013–2015)
[Internet archiving](/doc/cs/linkrot/archiving/index "Link to cs/linkrot/archiving tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [DNM Archives](/doc/darknet-market/dnm-archive/index "Link to darknet-market/dnm-archive tag index"), [Hydra DNM](/doc/darknet-... | 11,361 |
Gwern Branwen | DNM-related arrests, 2011–2015 | https://gwern.net/dnm-arrest | # DNM-related arrests, 2011–2015
[Bitcoin](/doc/bitcoin/index "Link to bitcoin tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [Agora DNM](/doc/darknet-market/agora/index "Link to darknet-market/agora tag index"), [AlphaBay DNM](/doc/darknet-market/alphabay/index "Link to darknet-market/alphabay... | 46,868 |
Gwern Branwen | Darknet Market mortality risks | https://gwern.net/dnm-survival | # Darknet Market mortality risks
[Bitcoin](/doc/bitcoin/index "Link to bitcoin tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [DNMs](/doc/darknet-market/index "Link to darknet-market tag index"), [economics](/doc/economics/index "Link to economics tag index"), [forecasting](/doc/statistics/pred... | 9,107 |
Gwern Branwen | Dropcap Generation With AI | https://gwern.net/dropcap | # Dropcap Generation With AI
[dropcaps (AI)](/doc/ai/nn/diffusion/midjourney/dropcap/index "Link to ai/nn/diffusion/midjourney/dropcap tag index"), [DALL·E 3](/doc/ai/nn/transformer/gpt/dall-e/3/index "Link to ai/nn/transformer/gpt/dall-e/3 tag index"), [CSS](/doc/cs/css/index "Link to cs/css tag index"), [JS](/doc/cs... | 13,116 |
Gwern Branwen | The Algernon Argument | https://gwern.net/drug-heuristic | # The Algernon Argument
[insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [IQ](/doc/iq/index "Link to iq tag index"), [melatonin](/doc/melatonin/index "Link to melatonin tag index"), [modafinil](/doc/modafinil/index "Link to modafinil tag index"), [nootropic](/doc/nootropic/index "Link to nootr... | 23,233 |
Gwern Branwen | Genetics and Eugenics in Frank Herbert’s Dune-verse | https://gwern.net/dune-genetics | # Genetics and Eugenics in Frank Herbert’s Dune-verse
[literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index"), [_Dune_](/doc/fiction/science-fiction/frank-herbert/index "Link to fiction/science-fiction/frank-herbert tag index"), [breeding](/doc/genetics/selection/artificial/index "Link... | 10,315 |
Gwern Branwen | LWer Effective Altruism donations, 2013–2014 | https://gwern.net/ea-donation | # LWer Effective Altruism donations, 2013–2014
[ethics](/doc/philosophy/ethics/index "Link to philosophy/ethics tag index"), [statistics](/doc/statistics/index "Link to statistics tag index"), [survey](/doc/survey/index "Link to survey tag index")
Analysis of 2013–2014 LessWrong survey results on how much more self-i... | 2,209 |
Gwern Branwen | Why Cats Love Earwax | https://gwern.net/earwax | # Why Cats Love Earwax
[cat biology](/doc/cat/biology/index "Link to cat/biology tag index"), [cat psychology](/doc/cat/psychology/index "Link to cat/psychology tag index"), [dog](/doc/dog/index "Link to dog tag index")
Collation of anecdotes and speculation about why many cats like earwax, and human earwax especiall... | 4,969 |
Gwern Branwen | Embryo Selection For Intelligence | https://gwern.net/embryo-selection | # Embryo Selection For Intelligence
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [economics](/doc/economics/index "Link to economics tag index"), [genetic correlation](/doc/genetics/heritable/correlation/index "Link to genetics/heritable/correlation tag index"), [decision theory](/doc/statistics/decision/... | 90,398 |
Gwern Branwen | Epigrams | https://gwern.net/epigram | # Epigrams
[humor](/doc/fiction/humor/index "Link to fiction/humor tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [tech](/doc/technology/index "Link to technology tag index")
Witticisms, parodies, pointed observations, japeries and/or jocularities, Tom Swifties, nominative dete... | 13,105 |
Gwern Branwen | Hacking Smartphone ESP Apps | https://gwern.net/esp-hacking | # Hacking Smartphone ESP Apps
[computer security](/doc/cs/security/index "Link to cs/security tag index"), [epistemology](/doc/philosophy/epistemology/index "Link to philosophy/epistemology tag index"), [parapsychology](/doc/psychology/parapsychology/index "Link to psychology/parapsychology tag index"), [AI safety](/d... | 3,322 |
Gwern Branwen | Everything Is Correlated | https://gwern.net/everything | # Everything Is Correlated
[ads](/doc/economics/advertising/index "Link to economics/advertising tag index"), [genetic correlation](/doc/genetics/heritable/correlation/index "Link to genetics/heritable/correlation tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [epistemology](/do... | 32,022 |
Gwern Branwen | Evolutionary Software Licenses | https://gwern.net/evolutionary-license | # Evolutionary Software Licenses
[CS](/doc/cs/index "Link to cs tag index"), [economics](/doc/economics/index "Link to economics tag index"), [politics](/doc/politics/index "Link to politics tag index")
Game theory on BSD versus GPL: partnership? Is GPL an evolutionary stable strategy against invasion by proprietary ... | 2,545 |
Gwern Branwen | Making Anime Faces With StyleGAN | https://gwern.net/face | # Making Anime Faces With StyleGAN
[Danbooru AI](/doc/ai/anime/danbooru/index "Link to ai/anime/danbooru tag index"), [StyleGAN anime](/doc/ai/nn/gan/stylegan/anime/index "Link to ai/nn/gan/stylegan/anime tag index"), [Python](/doc/cs/python/index "Link to cs/python tag index"), [tutorial](/doc/tutorial/index "Link to... | 36,148 |
Gwern Branwen | Anime Neural Net Graveyard | https://gwern.net/face-graveyard | # Anime Neural Net Graveyard
[Danbooru AI](/doc/ai/anime/danbooru/index "Link to ai/anime/danbooru tag index"), [BigGAN](/doc/ai/nn/gan/biggan/index "Link to ai/nn/gan/biggan tag index"), [ProGAN](/doc/ai/nn/gan/stylegan/progan/index "Link to ai/nn/gan/stylegan/progan tag index"), [autoencoder NN](/doc/ai/nn/vae/index... | 2,048 |
Gwern Branwen | Fake Journal Club: Teaching Critical Reading | https://gwern.net/fake-journal-club | # Fake Journal Club: Teaching Critical Reading
[GPT non-fiction](/doc/ai/nn/transformer/gpt/nonfiction/index "Link to ai/nn/transformer/gpt/nonfiction tag index"), [typography](/doc/design/typography/index "Link to design/typography tag index"), [epistemology](/doc/philosophy/epistemology/index "Link to philosophy/epi... | 4,646 |
Gwern Branwen | ‘fiction’ directory | https://gwern.net/fiction | # ‘fiction’ directory
* See Also
* Links
* “Human Perception at a Red Light”, Gwern & Pro 2026
* “Apollonian #2: A Poet Teaches AIs”, Gwern et al 2026
* “Spoilage”, Pro et al 2026
* “Apollonian #1: The Counted & the Crowned”, Gwern et al 2025
* “Your Hands And Mine”, Gwern et al 2025
* “Wha... | 2,212 |
Gwern Branwen | Parody in _Full Metal Panic!_ | https://gwern.net/fmp-parody | # Parody in _Full Metal Panic!_
[anime](/doc/anime/index "Link to anime tag index"), [literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index"), [sociology](/doc/sociology/index "Link to sociology tag index")
The unexpected critical depths of a single throw-away scene
2008-10-09–4y2013-... | 1,299 |
Gwern Branwen | Technology Forecasting: The Garden of Forking Paths | https://gwern.net/forking-path | # Technology Forecasting: The Garden of Forking Paths
[AI scaling](/doc/ai/scaling/index "Link to ai/scaling tag index"), [experience curve](/doc/economics/experience-curve/index "Link to economics/experience-curve tag index"), [forecasting](/doc/statistics/prediction/index "Link to statistics/prediction tag index")
... | 3,002 |
Gwern Branwen | Free-Play Periods for RL Agents | https://gwern.net/free-play | # Free-Play Periods for RL Agents
[inner monologue (AI)](/doc/ai/nn/transformer/gpt/inner-monologue/index "Link to ai/nn/transformer/gpt/inner-monologue tag index"), [RL exploration](/doc/reinforcement-learning/exploration/index "Link to reinforcement-learning/exploration tag index"), [meta-learning](/doc/reinforcemen... | 2,521 |
Gwern Branwen | Research Bounties On Fulltexts | https://gwern.net/fulltext | # Research Bounties On Fulltexts
[Internet archiving](/doc/cs/linkrot/archiving/index "Link to cs/linkrot/archiving tag index"), [meta](/doc/meta/index "Link to meta tag index"), [tech](/doc/technology/index "Link to technology tag index")
A list of papers/books/materials I have failed to obtain, and financial bounti... | 1,029 |
Gwern Branwen | Fuzz Testing | https://gwern.net/fuzz-testing | # Fuzz Testing
[cat psychology](/doc/cat/psychology/index "Link to cat/psychology tag index"), [computer security](/doc/cs/security/index "Link to cs/security tag index"), [humor](/doc/fiction/humor/index "Link to fiction/humor tag index")
Catalogue of errors or problems caused by cats randomly doing things (ie. real... | 1,724 |
Gwern Branwen | Girl Scouts & Good Corporate Governance | https://gwern.net/girl-scouts | # Girl Scouts & Good Corporate Governance
[economics](/doc/economics/index "Link to economics tag index"), [math](/doc/math/index "Link to math tag index"), [ethics](/doc/philosophy/ethics/index "Link to philosophy/ethics tag index"), [politics](/doc/politics/index "Link to politics tag index"), [survival analysis](/d... | 7,161 |
Gwern Branwen | The Most ‘Abandoned’ Books on GoodReads | https://gwern.net/goodreads | # The Most ‘Abandoned’ Books on GoodReads
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [CLI](/doc/cs/shell/index "Link to cs/shell tag index"), [literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index"), [Bayes](/doc/statistics/bayes/index "Link to statistics/bayes tag index"... | 27,841 |
Gwern Branwen | Alerts Over Time | https://gwern.net/google-alerts | # Alerts Over Time
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [CLI](/doc/cs/shell/index "Link to cs/shell tag index"), [survival analysis](/doc/statistics/survival-analysis/index "Link to statistics/survival-analysis tag index"), [Google](/doc/technology/google/index "Link to technology/google tag index... | 3,638 |
Gwern Branwen | Predicting Google closures | https://gwern.net/google-shutdown | # Predicting Google closures
[Internet archiving](/doc/cs/linkrot/archiving/index "Link to cs/linkrot/archiving tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [forecasting](/doc/statistics/prediction/index "Link to statistics/prediction tag index"), [survival analysis](/doc/statistics/survival-... | 13,828 |
Gwern Branwen | GPT-2 Neural Network Poetry | https://gwern.net/gpt-2 | # GPT-2 Neural Network Poetry
[GPT poetry](/doc/ai/nn/transformer/gpt/poetry/index "Link to ai/nn/transformer/gpt/poetry tag index"), [CLI](/doc/cs/shell/index "Link to cs/shell tag index"), [tutorial](/doc/tutorial/index "Link to tutorial tag index")
Demonstration tutorial of retraining OpenAI’s GPT-2 (a text-genera... | 67,136 |
Gwern Branwen | GPT-2 Folk Music | https://gwern.net/gpt-2-music | # GPT-2 Folk Music
[AI music](/doc/ai/music/index "Link to ai/music tag index"), [GPT-2 nonfiction](/doc/ai/nn/transformer/gpt/2/nonfiction/index "Link to ai/nn/transformer/gpt/2/nonfiction tag index"), [CLI](/doc/cs/shell/index "Link to cs/shell tag index"), [statistics](/doc/statistics/index "Link to statistics tag ... | 6,892 |
Gwern Branwen | GPT-2 Preference Learning for Music Generation | https://gwern.net/gpt-2-preference-learning | # GPT-2 Preference Learning for Music Generation
[AI music](/doc/ai/music/index "Link to ai/music tag index"), [GPT fiction](/doc/ai/nn/transformer/gpt/fiction/index "Link to ai/nn/transformer/gpt/fiction tag index"), [GPT poetry](/doc/ai/nn/transformer/gpt/poetry/index "Link to ai/nn/transformer/gpt/poetry tag index"... | 20,336 |
Gwern Branwen | GPT-3 Creative Fiction | https://gwern.net/gpt-3 | # GPT-3 Creative Fiction
[GPT fiction](/doc/ai/nn/transformer/gpt/fiction/index "Link to ai/nn/transformer/gpt/fiction tag index"), [GPT poetry](/doc/ai/nn/transformer/gpt/poetry/index "Link to ai/nn/transformer/gpt/poetry tag index"), [AI scaling](/doc/ai/scaling/index "Link to ai/scaling tag index"), [humor](/doc/fi... | 179,377 |
Gwern Branwen | GPT-3 Nonfiction | https://gwern.net/gpt-3-nonfiction | # GPT-3 Nonfiction
[GPT non-fiction](/doc/ai/nn/transformer/gpt/nonfiction/index "Link to ai/nn/transformer/gpt/nonfiction tag index"), [mind](/doc/philosophy/mind/index "Link to philosophy/mind tag index")
Nonfiction writing by OpenAI’s GPT-3 model, testing logic, commonsense reasoning, anagrams, PDF/OCR cleaning, c... | 61,023 |
Gwern Branwen | Reasons of State: Why Didn’t Denmark Sell Greenland? | https://gwern.net/greenland | # Reasons of State: Why Didn’t Denmark Sell Greenland?
[ethics](/doc/philosophy/ethics/index "Link to philosophy/ethics tag index"), [politics](/doc/politics/index "Link to politics tag index")
Exercise in pointing out the obvious: Greenland has been, is, and will be indefinitely, a white elephant. Denmark turned dow... | 5,524 |
Gwern Branwen | Gwtar: a static efficient single-file HTML format | https://gwern.net/gwtar | # Gwtar: a static efficient single-file HTML format
[compression](/doc/cs/algorithm/information/compression/index "Link to cs/algorithm/information/compression tag index"), [Internet archiving](/doc/cs/linkrot/archiving/index "Link to cs/linkrot/archiving tag index")
Gwtar is a new polyglot HTML archival format which... | 5,147 |
Gwern Branwen | Hafu Gender Ratios in Anime | https://gwern.net/hafu | # Hafu Gender Ratios in Anime
[anime](/doc/anime/index "Link to anime tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [literary criticism](/doc/fiction/criticism/index "Link to fiction/criticism tag index"), [nootropic](/doc/nootropic/index "Link to nootropic tag index"), [politics](/doc/politic... | 34,773 |
Gwern Branwen | Self-Funding Harberger Taxes | https://gwern.net/harberger | # Self-Funding Harberger Taxes
[copyright](/doc/economics/copyright/index "Link to economics/copyright tag index"), [mechanism design](/doc/economics/mechanism-design/index "Link to economics/mechanism-design tag index")
Copyright mechanism proposal to solve the orphan works problem: self-assessed Harberger taxes on ... | 4,985 |
Gwern Branwen | ‘haskell’ directory | https://gwern.net/haskell | # ‘haskell’ directory
* See Also
* Links
* “Hypertime in Haskell”, Gwern 2012
* “Archiving GitHub”, Gwern 2011
* “Writing a Wikipedia RSS Link Archive Bot”, Gwern 2009
* “Summers of Code, 2006–2013”, Gwern 2009
* “Golfing Run Length Encoding in Haskell”, Gwern 2008
* “Writing a Wikipedia Li... | 431 |
Gwern Branwen | Site Help | https://gwern.net/help | # Site Help
* Switch to **Dark Mode** : click () to open _Theme Toggle_ → click ()
or back to **Light** Mode: click () to open _Theme Toggle_ → click ()
* **Reader** Mode: `r`, or click () to open _Theme Toggle_ → click ()
* Disable **Popups** : click () to open _Theme Toggle_ → click ()Disable **Popovers** :... | 381 |
Gwern Branwen | Technology Holy Wars are Coordination Problems | https://gwern.net/holy-war | # Technology Holy Wars are Coordination Problems
[Python](/doc/cs/python/index "Link to cs/python tag index"), [design](/doc/design/index "Link to design tag index"), [economics](/doc/economics/index "Link to economics tag index"), [insight porn](/doc/insight-porn/index "Link to insight-porn tag index"), [sociology of... | 6,489 |
Gwern Branwen | _HP: Methods of Rationality_ review statistics | https://gwern.net/hpmor | # _HP: Methods of Rationality_ review statistics
[Haskell](/doc/cs/haskell/index "Link to cs/haskell tag index"), [R (language)](/doc/cs/r/index "Link to cs/r tag index"), [CLI](/doc/cs/shell/index "Link to cs/shell tag index"), [forecasting](/doc/statistics/prediction/index "Link to statistics/prediction tag index"),... | 6,500 |
Gwern Branwen | _Genius Revisited_ Revisited | https://gwern.net/hunter | # _Genius Revisited_ Revisited
[R (language)](/doc/cs/r/index "Link to cs/r tag index"), [heritability](/doc/genetics/heritable/index "Link to genetics/heritable tag index"), [SMPY](/doc/iq/high/smpy/index "Link to iq/high/smpy tag index"), [psychology](/doc/psychology/index "Link to psychology tag index"), [regressio... | 10,843 |
Gwern Branwen | Towards a Better Hutter Prize | https://gwern.net/hutter-prize | # Towards a Better Hutter Prize
[AI](/doc/ai/index "Link to ai tag index"), [compression](/doc/cs/algorithm/information/compression/index "Link to cs/algorithm/information/compression tag index"), [Wikipedia](/doc/wikipedia/index "Link to wikipedia tag index")
The Hutter Prize elegantly prevents cheating by charging ... | 1,647 |
Gwern Branwen | Hydrocephalus and Intelligence: The Hollow Men | https://gwern.net/hydrocephalus | # Hydrocephalus and Intelligence: The Hollow Men
[low IQ](/doc/iq/low/index "Link to iq/low tag index"), [anencephaly](/doc/psychology/neuroscience/anencephaly/index "Link to psychology/neuroscience/anencephaly tag index"), [parapsychology](/doc/psychology/parapsychology/index "Link to psychology/parapsychology tag in... | 6,587 |
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