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Scientists Found Our Brain Changes at 9, 32, 66, and 83

https://scienceclock.com/your-brain-changes-at-9-32-66-and-83-scientists-find/
1•ashishgupta2209•3m ago•0 comments

O-Ring STL Generator

https://www.iteration3d.fr/en/templates/template-view.php?templateid=10
1•sylvainFR•3m ago•0 comments

Show HN: Built an app to call USA numbers super cheap

https://callspark.app/cheap-calls-to-united-states
1•ahmaliic•4m ago•0 comments

Louvre to raise entry fees for non-Europeans

https://www3.nhk.or.jp/nhkworld/en/news/20251128_09/
1•kyleblarson•5m ago•0 comments

China claims domestically-designed 14nm logic chips can rival 4nm Nvidia silicon

https://www.tomshardware.com/tech-industry/semiconductors/china-claims-14nm-ai-chip-can-rival-nvi...
1•giuliomagnifico•6m ago•0 comments

A Technical History of Alcatraz

https://computer.rip/2025-07-27-a-technical-history-of-alcatraz.html
1•Brajeshwar•8m ago•0 comments

Cloud-Init on Raspberry Pi OS

https://www.raspberrypi.com/news/cloud-init-on-raspberry-pi-os/
1•Brajeshwar•8m ago•0 comments

A Paper Clip Saved a $750M Bomber Plane

https://scienceclock.com/how-a-paper-clip-saved-a-750-million-bomber-plane/
1•Brajeshwar•9m ago•1 comments

Rare flower discovery and what Oxford didn't do that generated controversy

https://www.news18.com/explainers/what-did-university-of-oxford-do-to-receive-massive-backlash-on...
1•mykowebhn•9m ago•0 comments

Scalable nanopatterning of organic LEDs beyond the diffraction limit

https://www.nature.com/articles/s41566-025-01785-z
2•cl3misch•14m ago•0 comments

'Unignorable' flying billboards are slated to come to California

https://www.sfgate.com/bayarea/article/unignorable-flying-billboards-arrive-california-21209969.php
2•fcpguru•15m ago•0 comments

Computer animation in 1961: the Stanford card stunt program. (YouTube) [video]

https://www.youtube.com/watch?v=wN1opFMXJbY
1•fanf2•16m ago•0 comments

A Remarkable Assertion from A16Z

https://nealstephenson.substack.com/p/a-remarkable-assertion-from-a16z
8•boplicity•17m ago•0 comments

Two Conquerors, Two Kinds of Men (1940)

https://nytimes.com/1940/07/21/archives/two-conquerors-two-kinds-of-men-hitler-and-napoleon-are-a...
1•thomassmith65•19m ago•0 comments

Anthropic CEO called to testify on Chinese AI cyberattack

https://www.axios.com/2025/11/26/anthropic-google-cloud-quantum-xchange-house-homeland-hearing
1•_____k•24m ago•0 comments

Ask HN: Jews in Computer Science

2•not-so-darkstar•26m ago•3 comments

Let the Rabbi Split the Pie (1998)

https://slate.com/culture/1998/04/let-the-rabbi-split-the-pie.html
1•amai•26m ago•1 comments

Lovable Is Down

https://status.lovable.dev
1•dominikposmyk•28m ago•0 comments

Show HN: OgBlocks – Animated React UI Library Built with Motion and Tailwind CSS

https://ogblocks.dev/
2•thekarank•28m ago•0 comments

Ask HN: Use case diagram, how to do better?

1•shivajikobardan•29m ago•0 comments

OpenAI won't make money by 2030 and needs another $207B, HSBC estimates

https://fortune.com/2025/11/26/is-openai-profitable-forecast-data-center-200-billion-shortfall-hsbc/
7•TMWNN•31m ago•1 comments

SQL Still Wins: Why It's Not Going Anywhere

2•browsejobs5•32m ago•0 comments

Show HN: Simple xbox360 inspired CSS library: 360CSS

https://github.com/tarmo1/360css
2•Tarmo362•37m ago•2 comments

Is anyone using Project Hummingbird?

https://www.redhat.com/en/technologies/linux-platforms/enterprise-linux/hummingbird
1•todsacerdoti•41m ago•0 comments

The mysterious black fungus from Chernobyl that may eat radiation

https://www.bbc.com/future/article/20251125-the-mysterious-black-fungus-from-chernobyl-that-appea...
24•bookmtn•41m ago•0 comments

Joe Duffyging about Midori (2015)

https://joeduffyblog.com/2015/11/03/blogging-about-midori/
1•keyle•42m ago•0 comments

Data center 'cooling issue' continues to halt CME stock futures trading

https://www.cnbc.com/2025/11/28/cme-halts-fx-commodities-futures-trading-after-data-center-issue....
1•bluedino•43m ago•0 comments

World's first global open database on transmission line length

https://MapYourGrid.org/blog/20251128-LineLength/
3•andreashd11•44m ago•0 comments

A Tale of Four Fuzzers

https://tigerbeetle.com/blog/2025-11-28-tale-of-four-fuzzers/
17•jorangreef•46m ago•0 comments

VC Taxi – random founders pitch a VC in a taxi

https://youtu.be/4PvIr_bADCg?si=atKCNX6vmOL95eY2
1•jarodreyes•47m ago•0 comments
Open in hackernews

Xkcd's "Is It Worth the Time?" Considered Harmful

https://will-keleher.com/posts/its-not-worth-the-time-yet.html
27•gcmeplz•6mo ago

Comments

jjk166•6mo ago
XKCD's comic is a very simple graphic that tells you whether your automation efforts will reduce the total amount of time for a task.

If your goal is not to reduce time spent, why would you be looking at a chart to determine how much time you're reducing?

Learning is a very good use of time. Choosing to spend extra time to automate something for the sake of learning is a perfectly rational decision. But it's never harmful to know what your choice is costing you. If you wouldn't be willing to automate something in the full knowledge that it's going to take longer than just doing it manually, then the comic is succeeding in stopping you from making a choice you wouldn't want to make.

arcfour•6mo ago
My boss would probably prefer—thinking short-term—that I work by that chart. I would prefer to learn something new, and it usually pays off in the long-term, possibly years from now in unexpected and unforeseeable ways.
banku_brougham•6mo ago
Yup if I followed team/management guidance I would be nowhere.
jjk166•6mo ago
"This may help in unexpected and unforeseeable ways" doesn't sound like the most convincing argument for taking time from your job to learn a new skill.

All the same, you are choosing to learn something new, not to automate something to save time. Learning something new by automating a task which doesn't justify automation is no different from say reading a book or doing coding exercises in the same time - it's potentially a good use of your time, it just doesn't relate to the xkcd chart at all.

patrakov•6mo ago
Key sentence from the article:

> Automating the easy things is how you build the skills, mindset, and muscle-memory to automate the hard things.

hicksyfern•6mo ago
The counter to that is that going and looking at the call sites to that function would have given the author a better understanding of what those call sites were, why they called the function, etc, thus learning more about the codebase.
abc-1•6mo ago
The goal to automate is to reduce suffering. Full stop. It’s not to “save time”. STEM types like to pretend they’re stoic cold calculating robots and everything is objective and they don’t mind doing some repetitive 5 minute task every day, because they saw some xkcd comic about efficiency. Maybe they pretend they don’t mind simply so they can smugly post the xkcd comic every time someone new asks why they’re suffering through some repetitive slog.
banku_brougham•6mo ago
exactly. work can be fun and there is so much to learn.
try_the_bass•6mo ago
Harmful? No. Good rule of thumb? Yeah. Like any rule of thumb, if followed dogmatically, it loses the nuance that makes it a good "rule of thumb".
add-sub-mul-div•6mo ago
Right. Almost nothing should be followed dogmatically, but a major theme of this site is to act like all advice was meant to be taken as gospel and then counter it with mundane exceptions.
karmakaze•6mo ago
> ...updating the order of arguments to a function [...] was only in about 10 spots, so it would have only taken a minute to search and fix manually, but instead I spent an hour automating the fix using sed and xargs. And I think that was the right choice.

Spending an hour to learn and use sed/xargs is good use of time. Bringing in the xkcd formula has nothing to do with that. It could/should have been done as a one-off whether manually or scripted. Automation doesn't make sense unless you plan to keep putting me function arguments in an undesired order.

I would have put in time sooner to use a static typed language the can reliably reactor in the IDE with a click.

dontreact•6mo ago
The flip side of this is that for some tasks (especially in ml/ai), doing it manually at least a few times gives you a sense of what is correct and a better sense of detail.

For example, spending the time to label a few examples yourself instead of just blindly sending it out to labeling.

(Not always the case, but another thing to keep in mind besides total time saved and value of learning)

more_corn•6mo ago
“Considered harmful” is considered harmful
V__•6mo ago
> Automating the easy things is how you build the skills, mindset, and muscle-memory to automate the hard things.

I agree with the statement, yet I think it misses the point. Hyperbole: Pressing play on a mp3 robs you of the experience of learning to play all instruments yourself. They key question is whether automating is a task one wants to improve in at all.

phendrenad2•6mo ago
I agree. The author spent an hour of trying to use 'sed', and the next time, they thought better and used Python! That's a valuable lesson right there! ;)
al_borland•6mo ago
There is also the situation where if it doesn’t get automated, it won’t be done at all. Some things are just too annoying to manually do, especially if it would be nice if they were done more than once.

There is also an aspect of repeatability without mistakes. Assuming the code is good, it removes the human error from the equation, which has value.

atoav•6mo ago
This is about tasks you automate to save time, that however isn't the only reason to automate a task.

A big one for me is to ensure consistency of data, intervals, etc.

banku_brougham•6mo ago
Every day you are building the foundation for the rest of your career. When I can I execute tasks as though need to scale and be instrumented with alarms.