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Early-Retirement Update
I’ve had a difficult time finding a way to create a new entry on a blog that has essentially been dead since 2015. Yet, I have had a persistent feeling that I owe my readers an update.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 91 posts.
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How to learn mathematics: the asterisk method
All original material on the geometry.org website is Copyright (C) 1999–2025, Alan U. Kennington.
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Down the Rabbit Hole: The world of estranged parents' forums (2015)
This page doesn’t apply to all estranged parents, only to estranged parents who are members of estranged parents’ forums. Read why.
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Post-SSRI sexual dysfunction
Post-SSRI sexual dysfunction (PSSD) is a condition in which sexual function does not return to normal after the use of SSRIs and related antidepressants.
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Why I’ll never create modules for VCV Rack anymore–and what I’ll make instead
An old article, now removed due to being an old time capsule.
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Facts don’t change our minds (2018)
Why don't facts change our minds? This article explains the logic of false beliefs and proposes a better system for constructive conversation.
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A Retrospective Look at Mac OS X Snow Leopard
Yes, Mac OS X 10.6 Snow Leopard is as good as I remembered.
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The unreasonable effectiveness of just showing up everyday
Six years, no deadlines, and one rule: write some code every day. That slow, stubborn routine turned a side project into a sustainable search company.
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I started a paper website business
I started a business that lets you build websites using pen and paper. In the process I went viral on Twitter, made $1,000 in two days, and blew $720 on 100 paper notebooks from Alibaba.
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Safari 15 on Mac OS, a user interface mess
All in all, I liked what I saw at this year's WWDC keynote. Until Apple showed the new user interface of Safari 15.
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There are six internet links on my office on wheels—seven when Starlink arrives
If you are going to work remotely anywhere in Australia from a van, you need damn good internet. Here's how I put together a vehicle with the best internet connectivity in Australia.
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Your Lifestyle Has Already Been Designed (2010)
Well I'm in the working world again. I've found myself a well-paying gig in the engineering industry, and life finally feels like it's returning to normal after my nine months of traveling. Beca...
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NYTimes Peru N-Word: My side of the story, in four parts
On February 5 this year, one week after an article about me appeared in the Daily Beast, The New York Times announced that I would be…
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A new chapter – full-time working from a van in a forest
For many people, the year 2020 will go down as a moment in time of hardship in their lives but for me, the year 2019 was dramatically harder as it was the realization that a long-term relationship wasn't going to work out...
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Peter Naur's view of programming
To answer this question, let me take you a few years back, when I worked with a small high tech startup. We were working on a pretty complex augmented reality system spanning all layers from low-level computer vision components to cross-platform mobile and web apps. Especially for the lower-level components, a good…
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My Tungsten Cube (2019)
A few months ago I bought a featureless cube of tungsten. It’s 1.5 inches across and cost $130, but I argue it was one of the best purchases I’ve made recently.
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The big alcohol study that didn't happen
Why did a huge alcohol RCT get cancelled? A strange story of science, academia, bureaucratic maneuvering, ambition, politics, capitalism, the deep state, secret emails, and slippery ethical slopes.
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Transiting the Suez Canal in a Private Sailboat (2003)
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What if I were 1% charged? (2013)
In case you hadn’t heard, the universe is governed by four fundamental forces. But when it comes to understanding nature at almost any level larger than a nucleus and smaller than a planet, …
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Stages of Denial
It is a lazy Tuesday afternoon. Perhaps you were idly browsing your favorite news aggregator, or visiting The Orange Website to wade through murky startup groupthink in search of interesting links.
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Things Unlearned
One of my favorite questions to ask people is: what are some things that you used to strongly believe but have now changed your mind about?
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How I spend less time on YouTube
Maybe I'm paranoid. But, I think there's a lot of smart people out there dedicating their life's work to make others keep watching videos. Since YouTube's incomprehensible decision to remove dislikes count it's become even easier to waste time on worthless content. In this blog post, I'll describe a simple trick that…
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Having a successful career with depression, anxiety and imposter syndrome
The first half of this conversation is a searingly honest account of...
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WhatsApp and the Domestication of Users
WhatsApp's rise and recent PR efforts highlight a class of business models that I call "user domestication".
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The Paradox of Abundance
David shares the paradox of abundance and how to make a healthy information diet for yourself. Read here.
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An open letter to Jason and David
Dear Jason and David, aka the founder-owners of Basecamp who up until 2021 earned 100% of the company’s profits along with Jeff Bezos, As you know, I am writing this while on medical leave fr…
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Book Review: Fussell on Class
Summary and commentary on Paul Fussell's "Class: A Guide Through The American Status System"