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The Rise of Spec Driven Development

https://www.dbreunig.com/2026/02/06/the-rise-of-spec-driven-development.html
1•Brajeshwar•4m ago•0 comments

The first good Raspberry Pi Laptop

https://www.jeffgeerling.com/blog/2026/the-first-good-raspberry-pi-laptop/
2•Brajeshwar•4m ago•0 comments

Seas to Rise Around the World – But Not in Greenland

https://e360.yale.edu/digest/greenland-sea-levels-fall
1•Brajeshwar•4m ago•0 comments

Will Future Generations Think We're Gross?

https://chillphysicsenjoyer.substack.com/p/will-future-generations-think-were
1•crescit_eundo•7m ago•0 comments

State Department will delete Xitter posts from before Trump returned to office

https://www.npr.org/2026/02/07/nx-s1-5704785/state-department-trump-posts-x
1•righthand•10m ago•0 comments

Show HN: Verifiable server roundtrip demo for a decision interruption system

https://github.com/veeduzyl-hue/decision-assistant-roundtrip-demo
1•veeduzyl•11m ago•0 comments

Impl Rust – Avro IDL Tool in Rust via Antlr

https://www.youtube.com/watch?v=vmKvw73V394
1•todsacerdoti•11m ago•0 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
2•vinhnx•12m ago•0 comments

minikeyvalue

https://github.com/commaai/minikeyvalue/tree/prod
3•tosh•17m ago•0 comments

Neomacs: GPU-accelerated Emacs with inline video, WebKit, and terminal via wgpu

https://github.com/eval-exec/neomacs
1•evalexec•22m ago•0 comments

Show HN: Moli P2P – An ephemeral, serverless image gallery (Rust and WebRTC)

https://moli-green.is/
2•ShinyaKoyano•26m ago•1 comments

How I grow my X presence?

https://www.reddit.com/r/GrowthHacking/s/UEc8pAl61b
2•m00dy•27m ago•0 comments

What's the cost of the most expensive Super Bowl ad slot?

https://ballparkguess.com/?id=5b98b1d3-5887-47b9-8a92-43be2ced674b
1•bkls•28m ago•0 comments

What if you just did a startup instead?

https://alexaraki.substack.com/p/what-if-you-just-did-a-startup
5•okaywriting•35m ago•0 comments

Hacking up your own shell completion (2020)

https://www.feltrac.co/environment/2020/01/18/build-your-own-shell-completion.html
2•todsacerdoti•38m ago•0 comments

Show HN: Gorse 0.5 – Open-source recommender system with visual workflow editor

https://github.com/gorse-io/gorse
1•zhenghaoz•38m ago•0 comments

GLM-OCR: Accurate × Fast × Comprehensive

https://github.com/zai-org/GLM-OCR
1•ms7892•39m ago•0 comments

Local Agent Bench: Test 11 small LLMs on tool-calling judgment, on CPU, no GPU

https://github.com/MikeVeerman/tool-calling-benchmark
1•MikeVeerman•40m ago•0 comments

Show HN: AboutMyProject – A public log for developer proof-of-work

https://aboutmyproject.com/
1•Raiplus•40m ago•0 comments

Expertise, AI and Work of Future [video]

https://www.youtube.com/watch?v=wsxWl9iT1XU
1•indiantinker•41m ago•0 comments

So Long to Cheap Books You Could Fit in Your Pocket

https://www.nytimes.com/2026/02/06/books/mass-market-paperback-books.html
3•pseudolus•41m ago•1 comments

PID Controller

https://en.wikipedia.org/wiki/Proportional%E2%80%93integral%E2%80%93derivative_controller
1•tosh•45m ago•0 comments

SpaceX Rocket Generates 100GW of Power, or 20% of US Electricity

https://twitter.com/AlecStapp/status/2019932764515234159
2•bkls•45m ago•0 comments

Kubernetes MCP Server

https://github.com/yindia/rootcause
1•yindia•46m ago•0 comments

I Built a Movie Recommendation Agent to Solve Movie Nights with My Wife

https://rokn.io/posts/building-movie-recommendation-agent
4•roknovosel•47m ago•0 comments

What were the first animals? The fierce sponge–jelly battle that just won't end

https://www.nature.com/articles/d41586-026-00238-z
2•beardyw•55m ago•0 comments

Sidestepping Evaluation Awareness and Anticipating Misalignment

https://alignment.openai.com/prod-evals/
1•taubek•55m ago•0 comments

OldMapsOnline

https://www.oldmapsonline.org/en
2•surprisetalk•57m ago•0 comments

What It's Like to Be a Worm

https://www.asimov.press/p/sentience
2•surprisetalk•57m ago•0 comments

Don't go to physics grad school and other cautionary tales

https://scottlocklin.wordpress.com/2025/12/19/dont-go-to-physics-grad-school-and-other-cautionary...
2•surprisetalk•57m ago•0 comments
Open in hackernews

Memorizing phone numbers

https://phong.bearblog.dev/memorizing-phone-numbers/
48•speckx•4mo ago

Comments

ElijahLynn•4mo ago
I've been teaching my kids to memorize my phone number as well as their mother's number! And I've been working on memorizing numbers of other people close to me. Because it isn't "if" I lose my phone some day, it is "when". So, preparing for that is really important to me!

I like the technique of not having the name saved in the phone but having the number, then when caller ID comes in I see the number more often.

fhdkweig•4mo ago
The default contacts app on Android has an export/import feature that will let you backup all the stored numbers into a .vcf file that you can then copy to a backup site.
xboxnolifes•4mo ago
This is not relevant to the problem at hand.
fhdkweig•4mo ago
'Because it isn't "if" I lose my phone some day, it is "when". So, preparing for that is really important to me!'

The problem at hand is that he is afraid he is going to lose all his data.

xboxnolifes•4mo ago
The problem is when they lose their phone, how do they contact somebody without having their phone contact list. They do not have a phone to import this backup into. They do not have their phone on them to access a website with the backup. The backup ability is basically irrelevant, as all carriers can backup and restore your contacts seamlessly. It's the lack of the phone being the problem.

Presumably, we're talking about the short time-frame of a few hours between the act of losing the phone, and needing to contact somebody. The kind of situation where you ask somebody to borrow their phone.

fhdkweig•4mo ago
I also keep a list of important phone numbers written on a piece of paper and stuck in my wallet. I started doing that when payphones were a thing, but I stopped doing that when I got my first cell phone. In recent months, I restarted the habit because there are times I want to just leave the phone at home.
rwbaskette•4mo ago
I’ve done this by making every passcode a phone number for someone important. Mom’s phone number unlocks the computer, Dad’s phone number unlocks the tablet.
293984j29384•4mo ago
I think this blog post is an insight into mental illness.
mithcs•4mo ago
Can you explain? I don't get it.
Lammy•4mo ago
Get yourself arrested some time and you'll wish you could remember someone to call lol
OutOfHere•4mo ago
That doesn't really work because no individual I know picks up phone calls from random numbers anymore. One will be lucky if they even check their voicemail. Perhaps an attorney's office will, but that's it.
brianzelip•4mo ago
This post has a certain old web feel to it. Some technical point to make, wrapped in a personal, candid and reflective narrative.

ps - definitely teach your kids your number.

mcdonje•4mo ago
The "algorithm" is kinda backwards. Like, you need something besides the connection you have with a person to indicate to you the status and nature of that connection?
queenkjuul•4mo ago
Yeah I just went and pruned my contacts, dozens of people from high school and college I'm 100% certain I'll never be in touch with again, but i remember who each of them was from the name.
baobun•4mo ago
My memory is generally crap and hasn't gotten better with age. Though I've recently noticed I have acquired quite a skill for memorising longish random passwords and number sequences quite well, getting better at it over the years. No deliberate technique to it, just consistent practice forced by paranoid security and compartmentalisation.
SoftTalker•4mo ago
Yeah it happens naturally with anything you use a lot.

When I was in high school I knew dozens of phone numbers. Today not so much (though I still remember the number we had at the house where I grew up, and a few others that were for my good friends).

technothrasher•4mo ago
> I still remember the number we had at the house where I grew up

One of my earliest memories is of my mother drilling my brother and I on our telephone number. She did a good job. I'll never forget it: AMherst 3-7004.

andai•4mo ago
A friend passed on to me the knowledge that the skill of "what were we just talking about" can be improved dramatically with effort. (Indeed even under the influence of certain substances which significantly impair short term memory!)

The secret? "Just try remembering a little harder."

I went from being totally crap at keeping track of conversations, to significantly above average, by just forcing myself to try and remember a little harder, every time I forgot what we were talking about.

(I don't know about other types of memory, but one proved Surprisingly Trainable.)

helterskelter•4mo ago
Speaking from personal experience, you should have the phone numbers of your attorney and your family members tattooed to the backs of your eyelids. And keep bail money under the insoles of your shoes. Cops never look there.

Laugh it up, but it just might happen to you one day.

dataflow•4mo ago
> your attorney

How does this work? Is everyone supposed to have a designated attorney throughout their life? I feel like I must've missed some memo growing up.

helterskelter•4mo ago
You do if you plan your estate. It's not just for assets, it's stuff like an advanced health directive (ie, what do you want if you're in a coma for a year?), and power of attorney (who calls the shots while you're incapacitated?). You want this stuff even if you're married -- perhaps especially if you're married, it could save your spouse a lot of trouble during a very difficult time. If you ever make a big transaction, or sign something that deals with $100,000 or more, you want an attorney to look it over first.

You don't need to pay them every month...just have them do estate documents and touch base with them once or twice a year so they remember who you are. You'll get their cell number.

Important to call your attorney instead of family because you might only get N number of calls before the jail cuts you off, even if nobody answers. Your family might be asleep or have lost their phone or whatever, but if you call your attorney they'll make sure to get ahold of somebody that can bail you out. (IIRC your attorney cannot bail you out themselves)

alberth•4mo ago
It’s a Catch-22.

If you don’t memorize numbers and call your family from your usual phone (via saved contacts), they’ll answer because they recognize the number.

But if your phone breaks and you have to call from another phone, memorizing their number won’t help much—since most people don’t answer calls from unknown numbers.

dataflow•4mo ago
> But if your phone breaks and you have to call from another phone, memorizing their number won’t help much—since most people don’t answer calls from unknown numbers.

So then you text or leave a voicemail?

totetsu•4mo ago
Using some pre-memorized number associations helps a lot with this, like peg systems. https://en.wikipedia.org/wiki/Mnemonic_peg_system

personally I do something like 0 egg 1 pen 2 swan 3 butt 4 sailboat .. etc.. and then make a little story for the number using the interaction of those things. This is not for long term memorisations, but just for recall in the mid term.

andai•4mo ago
Oh my god you just cured my inability to memorize the major memory system. The butt is so intuitive.
nanomonkey•4mo ago
What are the other digit/noun combinations you use? This seems better thought out than the wikipedia page you linked.
totetsu•4mo ago
The combinations I use are probably not as good for you as ones you would come up with for yourself. I would suggest just drawing out the numbers 0-9 and looking at the shapes and sketch a few things under each one, that look like that. If need be, rotate or flip the shape, or embellish slightly so long as they are all distinct. They should be easy to imagine objects that can be used flexibly. Salience for memory can come through things that give emotional response, so don't be shy about it.

and then use these to make simple stories like .. 13250 .. pen poked into the butt of a swan who yells grumpily and throws an egg..

WaitWaitWha•4mo ago
I went the other way. I do not memorize anyone's number, just mine. Or, how it used to be before we had to know every incoming number (versus just outgoing numbers, which was pasted right next to the phone on the wall).

I almost never pick up the phone. If someone wants to reach me they will send me some (insert tech) message or leave me a voice message. If it is an emergency they should not be calling me in the first place - rarely in place to respond to the emergency.

I do keep family and friends' numbers in my contact lists and have a phone numbers in my wallet to contact when they find my body.

navigate8310•4mo ago
Everything can be anki-fied
andai•4mo ago
Isn't it remarkable how rapidly an entire civilization lost this skill? Makes me wonder what else this applies to.
Ekaros•4mo ago
How many poems can you recite? Or longer quotations? Maybe parts of a play?

I think there is in general lot less memorization going on in our lives.

andai•4mo ago
I've been thinking about that actually. it wasn't so long ago that the entire education system was based around repetition and memorization. Overlearning, in positive terms.

Especially when it came to the classics and the fundamental knowledge.

Yet these days, not even our machines, on whom we rely to teach us things, are exposed to more than a single training epoch!

the_hoffa•4mo ago
I don't know if it's really that remarkable .. I don't think we can really attribute losing one specific type of memory over an entire civilization in about one generation such a "bad" thing.

The phone wasn't a household staple for pretty much the whole of humanity. It's really only been about a single generation (well, maybe 2 generations at this point) that the telephone to which you had to remember phone numbers was an important thing. Even in the early 1900's you would pick up the phone and an operator would answer and you had to ask them to connect you to a specific place/person.

And given that there 21 year olds alive today who never had a land-line (or even cable television) in their house or have even seen a dial phone, across the world, and that's only increased, it's not that surprising that we don't choose to actively remember phone numbers anymore .. it's just not "built in" to our core abilities yet because it was never something we needed to do on any type of evolutionary or generational scale.

I don't necessarily disagree that, on a whole, many people rely on technology so much that it has made them blind to the world around them (like so many who can't even read the map on their phone without blue lines telling them where to go). But I do think that not remembering every single phone number isn't something to really be concerned with at the human level .. not to say we shouldn't be teaching the importance of remembering certain numbers for emergency purposes though.

andai•4mo ago
Tangential but I was thinking recently how odd it is that nothing digital decays.

(Catastrophic loss aside, but that's not the same. It goes from pristine to gone in an instant.)

You open a file from decades ago and it's rendered exactly the same as something from this morning. There's no indication of staleness.

There's no natural pruning or decay. The whole thing begets endless hoarding.

In physical systems there's a natural friction, and it takes time/space/Energy to keep stuff. With digital it's the reverse.

My contacts list is 99% crap, half of it from decades ago.

90% is people I met once (e.g. to buy/sell something), then never again.

I've been wondering if every digital bit of info should have an expiration date. At which point it asks "is this still relevant?" and if not, self destructs.

Or at least renders old stuff as progressively more gross, inviting me to clean / remove it.

mindslight•4mo ago
That makes two of us!

When I got my first Android phone in 2010 or whatever, I skipped setting up a phone book because I wanted a secure solution for syncing contacts instead of uploading plaintext names to Google (how quaint of a threat model). I still haven't gotten around to it. The biggest inconvenience is when I want to text/call someone I haven't spoken two in a year or two, don't know their exact number, and I've got to scroll way down the list until I see it.

Then there are the funny coincidences like my usual Fedex Freight guy's phone number is one digit off from a friend's. That one really threw me the first time.

chrisbrandow•4mo ago
This was poignant. Thanks.
papanoah•4mo ago
I remember my own phone number and the new emergency number from the IT crowd episode: 0118999881999119725 3

It's funny how the brain works. I don't even remember my girlfriend or my mother's number, but I can recognize it when I see it.

sjw987•4mo ago
They're not just THE emergency services. They're YOUR emergency services.

Nicer ambulances, faster response times, and better looking drivers.

The bizarre things that our brains choose to remember. It must be that catchy jingle.

papanoah•4mo ago
How hard is it to remember 911 .. I mean 999!
wkjagt•4mo ago
I remember the home phone number we had as a kid 40 years ago, but I often forget my cell phone number now.
freedomben•4mo ago
Same haha. I remember a bunch of phone numbers from the 80s and 90s, but if I lost my contacts on my phone I wouldn't be able to call my wife or any of my children
conception•3mo ago
Things you learn around 11-13 you generally remember forever. I forget why but they are written differently in your brain.
Brajeshwar•4mo ago
I do the opposite of the author. I tend to add names to the Phone contacts of people I interact with, even if briefly. Sometimes, I text/call a fixer-upper and realized that we had interacted 10+ years ago. Similar to emails, at time, I go back and reply to the same email thread from 15+ years ago.

On the phone number thingy, I use the rhyme-ish way of remembering it by saying it aloud, and then using it on the phones and I remember quite a few phone numbers. Besides the numbers of my immediate family, I can dial my sister, a few friends from school and some of our neighbors (most of the number do not seem to exist anymore) back home on the keypad from muscle memory.

I try to teach my kids to remember some numbers and I try and test them once a while. They do think, I’m an irritant.

During School days, amongst friends, our tactics of remember historical dates were to prepend phone number patterns and associating them to the events/person etc. My wife is usually surprised when I recite phone number of recent visits to clinics, places, etc. This one are usually ephemeral and I usually forget them after a while. I like to pretend play Sherlock and look around things, remember them when visiting new places. :-)

ralfd•4mo ago
> I do the opposite of the author. I tend to add names to the Phone contacts of people I interact with, even if briefly.

This is much much more useful! I don't recognize a phone number of random person 6 month ago.

apparent•4mo ago
I can recall more phone numbers from my first 18 years of life than the most recent 18, even though I haven't dialed those numbers in a very long time.

And at the rate I'm going, I doubt if I'll memorize more than 3 phone numbers in the coming 18 years.

queenkjuul•4mo ago
I remember a few numbers from before i got a cell phone--my parents' landline, my grandma's landline, my high school friend's number (we're still friends and he still has the same number, but there's no good reason to actually still remember it)

Lately I'm working on memorizing a couple emergency numbers in case i here arrested at a protest without my phone

fhdkweig•4mo ago
The advice I heard was to write it on your arm. I thought I was being overly paranoid until I saw someone else there with a marked up arm. I also found out that a Sharpie marker will still fade if you get sweaty.
IAmBroom•4mo ago
New HN account, who dis?