I'm reminded of the famous story of (I think) the central beam in a building at Oxford. The story goes something like:
The central beam was beginning to fail and the Oxford administration knew they needed to replace it. When they went around for quotes, no one could replace the beam because it was 100 ft in length and sourced from an old growth tree. Such logs were simply unavailable to buy. To solve the issue, the staff begin to look at major renovations to the building's architecture.
Until the Oxford groundskeeper heard about the problem. "We have a replacement beam," he said.
The groundskeeper took the curious admins to the edge of the grounds. There stood two old growth trees, over 150 feet tall.
"But these must be over 200 years old! When were they planted?" the admins asked.
I have no idea if this story is true, but it should be.
piker · 22m ago
Fantastic!
aaronbrethorst · 44m ago
The 2nd Ave Subway in Manhattan, with
preparatory construction beginning in
1942. First phase opened in 2017.
Although the outcome should be celebrated, the slowness and the added costs that brings certainly should not be.
While every project is unique, it is not
immediately clear why digging a subway
on the Upper East Side is twenty times
more expensive than in Seoul or ten
times more expensive than in Paris.
It's just so sad having a nation where disbelief & being against things is so the spirit.
tombert · 55m ago
In my free time, I have taken to trying to prove the Collatz conjecture.
People much smarter and more educated than me have failed at this quest, so I will nearly certainly fail at it, but that's not really the point in my mind. Even if I'm not the one to actually prove it, I can at least try and contribute to the body of work towards proving it. Mathematics is, more than nearly anything else, the result of generations building upon previous generations work. It's never "done", always growing and refining and figuring out new things to look at.
I have a few ideas on how to prove Collatz that I have not seen done anywhere [1], and usually (at least for me) that means it's a bad idea, but it's worth a try.
One of the greatest things about humans is our willingness to have multi-generational projects. I think maybe the coolest thing humans have ever done was eliminate smallpox, and that took hundreds of years.
[1] Which I'm going to keep to myself for now because they're not very fleshed out.
cubefox · 3m ago
A related thing occurs in academia for very niche topics on which only very few people are working. Perhaps nobody for most of the time. A paper might "reply" to another paper from years or decades ago, and receive itself a reply only years later, but from a different author.
The cool thing is that you can easily become a world leading expert on such a niche topic, because there aren't that many papers, so it's easy to know every single one of them, and the few experts are spread out in time rather than space.
It's like a web forum thread on a very obscure question, where only every few years someone contributes a new comment, likely never to be read by most of the previous authors, but read by all that come later.
bee_rider · 34m ago
I dunno. I think we should separate out the stuff that fundamentally has to take a long time, like the pitch experiment, from stuff like Notre Dame, which just took a long time because they lacked the resources to do it all at once. Like OK, it takes a long time to build a big church because you need to find all the right rocks or whatever. But the pitch, that’s the universe taking a long time to tell us something.
(I’m being flip for comedy/emphasis sake, of course Notre Dame is pretty impressive too).
peterkos · 21m ago
I'm imagining a spectrum between "has to be slow" and "needlessly slow", with a middle slider for that one razor where things take as much time as you give them.
Intentionality is a big theme in math research (so i've heard), where solving "useful" problems isn't the ideal goal. The goal is to solve interesting problems, which might seem useless, but along the way achieve results with much wider implications that would have been impossible to discover directly. Or, how inventions like toothpaste came from space travel research.
(rhetorically) Does an indirect result "justify" a longer, slower project? Is speed an inherent property of the problem, or is it only knowable once it's complete? Or both, in the cases of misused funds?
alnwlsn · 36m ago
A friend of mine once wrote a dictionary[1]. It has all the (normal) one syllable words in English, defined using only other one syllable words. He decided to work on it by focusing on one letter per year, so A was in 1991, B was 1992, and the book was finished in 2017, 26 years later.
It's not even a very long book - only a few hundred pages - but I'm sure if I tried to do the same thing all at once, I'd probably have lost interest around B or C, so I suppose it was a worthwhile strategy.
[1] It's not online anywhere as far as I know, sorry.
Bukhmanizer · 12m ago
This reminded me of an old comic or meme about people’s expectations about science that went like:
Protester: What do we want??
Crowd: High quality, double blinded, N of 100000, 20 year longitudinal, preregistered studies!!
Protester: When do we want it??
Crowd: Now!!!
MontyCarloHall · 49m ago
>A fun question: of these projects, which required a long time, and which could have been greatly accelerated?
Pretty much everything on the list is a research study of a long-term process that is inherently impossible to accelerate.
From the list, only the Second Avenue Subway and the Sagrada Familia unambiguously qualify as projects that could be greatly accelerated. The SAS was not under active construction for the vast majority of the time between 1942 and 2017 — actual construction only happened for a couple years in the early 70s, then another couple years in the late 80s, and finally from 2011-2017. The fits and starts were due to a combination of bureaucratic red tape, economic woes, and gross incompetence. The Sagrada Familia has also seen only intermittent construction over the last century, primarily because of lack of funding.
saagarjha · 54m ago
Kind of amusing to have this at the top of the front page considering “Fast” was there yesterday
frutiger · 34m ago
I imagine the two events are correlated.
fuzztester · 36m ago
Next?
Medium.
Posted on Medium, ofc.
rglover · 57m ago
Kudos to the OP for writing this.
That PC post always irked me. Not because it showed positive examples of going fast but because it felt slightly demeaning to teams/projects that move slowly on purpose, with intent.
MontyCarloHall · 38m ago
I disagree. The PC post never demeans projects that purposefully move slowly with intent, but rather criticizes boondoggles that move slowly due to utter incompetence. The only pejorative text in the PC post is this:
>San Francisco proposed a new bus lane on Van Ness in 2001. It opened in 2022, yielding a project duration of around 7,600 days. “The project has been delayed due to an increase of wet weather since the project started,” said Paul Rose, a San Francisco Municipal Transportation Agency spokesperson. The project cost $346 million, i.e. $110,000 per meter. The Alaska Highway, mentioned above, constructed across remote tundra, cost $793 per meter in 2019 dollars.
brudgers · 46m ago
The Art of Computer Programming has been a work in progress since 1962.
That’s longer than some of the list items.
hermitcrab · 45m ago
Most democracies have elections every 4 or 5 years. That is good, in that we can get rid of underperforming politicians and parties. But it is bad, in that there isn't a lot of incentive for politicians and parties to plan over a longer timescale than 4 or 5 years.
China has the opposite problem. It can plan and finance long term projects. But there is little prospect of peacefully changing the leadership.
jmkr · 36m ago
I think in the western world, Art, and music are both long term projects. So much so that
we seem to have "reinvented" music at least twice. Once after the Greeks into classical western music, then again when jazz went into tonal harmony.
I am fairly certain there will be almost as many Ford model Ts running around in 2108 than are running now, but within 30 or 40 years I doubt there will be many cybertrucks that do.
I guess tomorow's front page top article will be called "Steady" ?
internet_points · 26m ago
If we look beyond problems that humans solve, well, evolution of diverse and specialized species seems to require time (and be undone by humans going fast)
mrbananagrabber · 48m ago
I love the story of the Framingham Heart Study, it's one I've referenced a lot when I talk to people and organizations about how they might not have the data they need and how important data collection is.
jaronilan · 29m ago
It takes 9 month, baby, 9 full months. Always have been. Always will. That’s human pace.
ananddtyagi · 58m ago
Nice post! This rhymes with the ideas Cal Newport presents in Slow Productivity.
fuzztester · 26m ago
Next should be a series of posts on the Slow movement.
Post them slowly, i.e. not all on the same day. We need time to read them - slowly.
hnthrow90348765 · 11m ago
Figuring out a good reason to colonize the solar system
An optimal manufacturing and logistics network for the solar system
Inventing replicators and dispensing with capitalism
qcnguy · 24m ago
Cool list, but to be a party pooper:
> Will Unix Time or TCP/IP ever be replaced? Modified: sure.
UNIX time is already being replaced with a 64 bit value instead of signed 32 bit. TCP/IP has already been replaced, that's QUIC over IPv6 which is what my computer uses every time it connects to Google.
I mean you can claim IPv6 is still "IP" because it shares the same first two letters, but IPv6 is different enough to be easily considered a different protocol.
mzajc · 1m ago
From TFA:
> Modified: sure.
Fundamentally, IPv6 and 64 bit UNIX time are modifications of their predecessors. QUIC not so much, but it's still a long way from replacing TCP on the web, let alone the internet.
nottorp · 1m ago
> QUIC over IPv6 which is what my computer uses every time it connects to Google.
You don't have to adopt everything Google tells you to adopt, you know...
The central beam was beginning to fail and the Oxford administration knew they needed to replace it. When they went around for quotes, no one could replace the beam because it was 100 ft in length and sourced from an old growth tree. Such logs were simply unavailable to buy. To solve the issue, the staff begin to look at major renovations to the building's architecture.
Until the Oxford groundskeeper heard about the problem. "We have a replacement beam," he said.
The groundskeeper took the curious admins to the edge of the grounds. There stood two old growth trees, over 150 feet tall.
"But these must be over 200 years old! When were they planted?" the admins asked.
"The day they replaced the previous beam."
here's a even more damning look: https://www.vitalcitynyc.org/articles/why-it-costs-4-billion...
edit: I've been on a tirade about this subject this week. https://www.brethorsting.com/blog/2025/07/state-capacity-and...
It's just so sad having a nation where disbelief & being against things is so the spirit.
People much smarter and more educated than me have failed at this quest, so I will nearly certainly fail at it, but that's not really the point in my mind. Even if I'm not the one to actually prove it, I can at least try and contribute to the body of work towards proving it. Mathematics is, more than nearly anything else, the result of generations building upon previous generations work. It's never "done", always growing and refining and figuring out new things to look at.
I have a few ideas on how to prove Collatz that I have not seen done anywhere [1], and usually (at least for me) that means it's a bad idea, but it's worth a try.
One of the greatest things about humans is our willingness to have multi-generational projects. I think maybe the coolest thing humans have ever done was eliminate smallpox, and that took hundreds of years.
[1] Which I'm going to keep to myself for now because they're not very fleshed out.
The cool thing is that you can easily become a world leading expert on such a niche topic, because there aren't that many papers, so it's easy to know every single one of them, and the few experts are spread out in time rather than space.
It's like a web forum thread on a very obscure question, where only every few years someone contributes a new comment, likely never to be read by most of the previous authors, but read by all that come later.
(I’m being flip for comedy/emphasis sake, of course Notre Dame is pretty impressive too).
Intentionality is a big theme in math research (so i've heard), where solving "useful" problems isn't the ideal goal. The goal is to solve interesting problems, which might seem useless, but along the way achieve results with much wider implications that would have been impossible to discover directly. Or, how inventions like toothpaste came from space travel research.
(rhetorically) Does an indirect result "justify" a longer, slower project? Is speed an inherent property of the problem, or is it only knowable once it's complete? Or both, in the cases of misused funds?
It's not even a very long book - only a few hundred pages - but I'm sure if I tried to do the same thing all at once, I'd probably have lost interest around B or C, so I suppose it was a worthwhile strategy.
[1] It's not online anywhere as far as I know, sorry.
Protester: What do we want??
Crowd: High quality, double blinded, N of 100000, 20 year longitudinal, preregistered studies!!
Protester: When do we want it??
Crowd: Now!!!
Pretty much everything on the list is a research study of a long-term process that is inherently impossible to accelerate.
From the list, only the Second Avenue Subway and the Sagrada Familia unambiguously qualify as projects that could be greatly accelerated. The SAS was not under active construction for the vast majority of the time between 1942 and 2017 — actual construction only happened for a couple years in the early 70s, then another couple years in the late 80s, and finally from 2011-2017. The fits and starts were due to a combination of bureaucratic red tape, economic woes, and gross incompetence. The Sagrada Familia has also seen only intermittent construction over the last century, primarily because of lack of funding.
Medium.
Posted on Medium, ofc.
That PC post always irked me. Not because it showed positive examples of going fast but because it felt slightly demeaning to teams/projects that move slowly on purpose, with intent.
>San Francisco proposed a new bus lane on Van Ness in 2001. It opened in 2022, yielding a project duration of around 7,600 days. “The project has been delayed due to an increase of wet weather since the project started,” said Paul Rose, a San Francisco Municipal Transportation Agency spokesperson. The project cost $346 million, i.e. $110,000 per meter. The Alaska Highway, mentioned above, constructed across remote tundra, cost $793 per meter in 2019 dollars.
That’s longer than some of the list items.
China has the opposite problem. It can plan and finance long term projects. But there is little prospect of peacefully changing the leadership.
At least parts of it are "scientific" and "directed," see the Lydian Chromatic concept for example https://en.wikipedia.org/wiki/Lydian_Chromatic_Concept_of_To...
[0]: https://en.wikipedia.org/wiki/Lindy_effect
I imagine it will go on for much longer, though!
Fast - https://news.ycombinator.com/item?id=44736967 - July 2025 (417 comments)
https://en.m.wikipedia.org/wiki/Slow_movement_(culture)
Post them slowly, i.e. not all on the same day. We need time to read them - slowly.
An optimal manufacturing and logistics network for the solar system
Inventing replicators and dispensing with capitalism
> Will Unix Time or TCP/IP ever be replaced? Modified: sure.
UNIX time is already being replaced with a 64 bit value instead of signed 32 bit. TCP/IP has already been replaced, that's QUIC over IPv6 which is what my computer uses every time it connects to Google.
I mean you can claim IPv6 is still "IP" because it shares the same first two letters, but IPv6 is different enough to be easily considered a different protocol.
> Modified: sure.
Fundamentally, IPv6 and 64 bit UNIX time are modifications of their predecessors. QUIC not so much, but it's still a long way from replacing TCP on the web, let alone the internet.
You don't have to adopt everything Google tells you to adopt, you know...