2026
2025
The jailbreak argument against LLM values
Writeup of a folk argument I didn't come up with
AI, alignment
Ways we can fail to answer
Fundamental barriers to knowledge
philosophy, science, epistemology, ma...
prospective science please
On a titanic social failure and doing better next time
science, epistemology
theisms
The continuing story of me noticing very basic things
philosophy, religion, becoming, criti...
2024
nonmonetary payoffs to starting a company
underdiscussed perks larger than dollars
money, becoming, freedom, self-repres...
What's stopping you?
a class I teach (differently every year)
education, meaning, becoming, warning...
Google-fu and Scihub-jutsu
a class on foiling the forces of evil (finding information)
my-classes, epistemology
2023
Every Mountain Goats song ever recorded including those which have a Death Geas placed upon em by the Author
all 800 songs, synoptically
music, art, lists
2022
Scoring the Big Three
Collecting predictions from natural language... from science fiction!
arb, forecasting, scifi
Ramsey
The philosopher's philosopher, the economist's economist, ...
longtermism, greats, philosophy
Comparing experts and generalists
Literature review - who gives more accurate forecasts?
arb, forecasting, epistemology, socia...
2021
'Terra Ignota': the ecstasy of uncertainty
The most atypical scifi series of the last 20 years
literature, meaning, longtermism
Drake, Hanson, and the meaning of life
Our best guess why the galaxy is empty
longtermism, philosophy, scifi, ratio...
Do masks work against COVID, at scale?
Inferring the effect of mass mask-wearing on COVID.
code, science, research
Using courts for algorithmic fairness
Explaining the impossibility of algorithmic fairness to a high schooler.
AI, ethics
2020
Stimulant tolerance, or, the tears of things
Do stimulants do anything, used chronically?
self-help, quantified-self, biology
Crossing the ocean of my ignorance
How can we think new things when everything's so complicated?
research, writing, self-help, phd
AI ethics for present & future
Two trends among academics looking at impacts of artificial intelligence.
AI, ethics, longtermism
Blogging is dead, long live sites
Trying to write anything more than ephemeral noise on the internet.
longtermism, self-representation, wri...
Rational emotions & emotional machines
a half-baked research agenda I never pursued
AI, predictions, biology, economics
Robots, Games, Life, Markets
Understanding game theory, reinforcement learning,
evolutionary dynamics, & economic calculation, with each other RL, game-theory, economics, rosetta-s...
evolutionary dynamics, & economic calculation, with each other RL, game-theory, economics, rosetta-s...
'Starting Strength' by Rippetoe
The art & philosophy of lifting heavy things for no reason
review, philosophy, mental-health
'Peter Watts is an Angry Sentient Tumor' (2019)
On the paranoid style in North American blogging.
review, epistemology, replication
2019
The trouble with supplements
The stalled revolution in personal biochemistry.
quantified-self, biology, rationality
'The Odyssey' (2017) by Emily Wilson
Rant about a great work with barely a trace of greatness.
review, literature
Insurance isn't necessarily a scam
Two arguments against insurance, and where they fail.
utility, rationality, finance
'Scarcity' (2013) by Shafir & Mullainathan
A practical theory of the mind's panic mode and its giant harm.
'Waking Up' (2014) by Harris
Some pros and cons, practical and philosophical, of reclaiming meditation.
2018
'Homicide' (1991) by Simon
The horror of bureaucracy, Goodhart's law, and other human depravity.
review, goodhart
'Blindsight' (2006) by Watts
Weird realism and the misanthropic interpretation of neuroscience. Plus errata.
philosophy, science, review, meaning
A common cause in a general end
Why many views should prioritise preventing the worst events.
longtermism, philosophy, xrisk
Hardening the browser
Passable browser security for little money or effort
long-content, computers, self-help, l...
Broadness and philosophical rank
Investigating one possible predictor of long-term intellectual status.
'The Unpersuadables' (2013) by Storr
Understanding good science & epistemology via counterexamples.
rationality, philosophy
'Why Moral Theory is Boring and Corrupt'
Reposting an anonymous essay attacking almost all academic ethical systems.
'Curiosity' (2012) by Ball
A model of science by reference to its unscientific origins
review, science, history, philosophy,...
'Strangers Drowning' (2015) by MacFarquhar
on the rarity and beauty of seriously good people
ethics, effective-altruism, meaning
'The Great Influenza' (2004) by Barry
On WWI's less famous, even worse sequel: the H1N1 pandemic.
review, xrisk, epistemology, biorisk
Preventing Side-effects in Gridworlds
Work from the Gridworld team at AI Safety Camp Gran Canaria.
AI, RL
2017
Disambiguating the first computer
Tiny app for defining "computer".
computers, history, conceptual-analys...
Why I'm not a philosopher
Philosophy's functions & benefits, and why they aren't real(?)
long-content, philosophy, becoming
Is education worth it for society?
Comparing state education to other public goods.
education, economics, meaning
'Hitler's Uranium Club' (2008) by Bernstein
The failure of Nazi nuclear research, and the farce after it.
bio, history, physics
Why care about genetic privacy?
A qualitative look at risks from publishing your genome.
scary-futurism
Does the gut cross the epistemic barrier?
Formalising a throwaway line about philosophical scepticism.
philosophy, epistemology, naturalism,...
π vs τ as clash of worldviews
A pointless feud as metaphor for your view of everything that is and could be.
maths, reason, politics
Data Science FAQ
A catalogue of intuitive explanations I wish I'd had before getting into it. Plus, reading lists.
machine-learning, data-science
Is Yitang Zhang an intellectual?
taking it back from the pols
the-two-cultures, maths, politics, hi...
2016
Effective Altruism Global: x: Oxford
Assorted notes from my first meetup with the analytical do-gooders.
effective-altruism, philosophy, becoming
The Worst Game Ever
A true story about model error, noisy decisions, and the birth of tragedy.
stats, social-science, game-theory
Automatic for the people
Some vicious and potentially nonvicious responses to technological unemployment.
AI, transhumanism, economics
2015
Modelling linguistic accommodation
Intro to computational linguistics, including a little observational study.
stats, social-science
Present pieties
What's the spirit of the age? What does everyone have to like?
social-science, criticism
2014
Comparing up and down
Choosing your reference class for happiness or growth.
self-help, mental-health, philosophy
What's the highest moral wage?
Estimate of how much money a maximizing consequentialist is allowed.
effective-altruism, economics, ethics
2013
2012
Frege's grand failure
Quick sketch of Frege's reduction of arithmetic to logic, and why it fails.
philosophy, maths, greats
2011
'The Scotch' (1880) by Friedrich Nietzsche
A pastiche I wrote about my country.
philosophy, scotland
Economics as philosophy of life
Trying to take maxims and wisdom from the dismal science.
economics, philosophy, becoming
Rubinations
An excellent trend in C21st pop - young producers + past-it singers.
music, criticism, lists
2010
2009
Pages
About Gavin Leech.
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