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CPUs Are Back: The Datacenter CPU Landscape in 2026

https://newsletter.semianalysis.com/p/cpus-are-back-the-datacenter-cpu
1•rbanffy•3m ago•0 comments

Dead Lithium Batteries Revived to 95% Capacity via Electrochemical Bath

https://newatlas.com/energy/electrode-restoring-bath-lithium-batteries/
2•karakoram•3m ago•0 comments

US says PRC trying to discourage states, businesses from engaging with Taiwan

https://www.reuters.com/world/china/us-says-china-trying-discourage-states-businesses-engaging-wi...
2•ilamont•3m ago•0 comments

Why Is Europe So Ill-Equipped to Handle Heat Waves?

https://time.com/article/2026/06/25/europe-heat-wave-infrastructure-air-conditioning/
1•karakoram•7m ago•0 comments

Show HN: A Claude skill that prunes your AI's memory file, one diff at a time

https://puremint.co.uk/blog/stop-your-ai-memory-file-rotting/
1•wonkyfruit•8m ago•0 comments

After a Personal Health Crisis, He Built a $500M Cottage Cheese Empire

https://www.inc.com/kevin-j-ryan/good-culture-jesse-merrill-cottage-cheese-l-catterton/91340377
1•mooreds•10m ago•0 comments

Hospitals in UK Declare Critical Incidents as Machines, IT Systems Fail in Heat

https://www.theguardian.com/society/2026/jun/25/hospitals-nhs-england-critical-incidents-machines...
2•karakoram•13m ago•0 comments

How the Heck Do Synthesizers Work? (An Interactive Exploration)

https://perthirtysix.com/how-the-heck-do-synthesizers-work
1•sebg•13m ago•0 comments

The Brain Center at Whipple's (1964)

https://en.wikipedia.org/wiki/The_Brain_Center_at_Whipple%27s
2•_doctor_love•13m ago•1 comments

Why AI agents need three types of memory

https://neo4j.com/blog/agentic-ai/context-graph-ai-agent-memory/
2•mooreds•14m ago•0 comments

Kremlin demands explanation from Apple after Russian apps removed from App Store

https://www.reuters.com/world/europe/kremlin-demands-explanation-apple-after-russian-apps-removed...
1•cdrnsf•14m ago•0 comments

The Coming Divide: AI-Native or Left Behind

https://danielmiessler.com/blog/ai-native-divide
1•skeledrew•14m ago•1 comments

Some learnings from temporal.io building SDKs for 8 languages

https://www.infoq.com/presentations/rust-polyglot-sdk/
1•devdoshi•15m ago•0 comments

Migrating from Proxmox to NixOS and Incus

https://www.nijho.lt/post/proxmox-to-nixos/
3•wasting_time•15m ago•0 comments

Env0 (Env Zero) vs. Terraform Cloud (HCP Terraform)

https://spacelift.io/blog/env-zero-vs-terraform-cloud
1•mooreds•15m ago•0 comments

Building America's Time Capsule

https://www.nist.gov/feature-stories/building-americas-time-capsule
1•letmetweakit•15m ago•0 comments

Silk: Fiber runtime for ClickHouse

https://clickhouse.com/blog/silk
2•samaysharma•15m ago•0 comments

The dogma of entity-based Services and Repositories

https://martinfowler.com/eaaCatalog/serviceLayer.html
1•birdculture•16m ago•0 comments

Lead Developer of Google Earth Believes Earth Is Flat

https://steemit.com/flatearth/@alternative/lead-developer-at-google-earth-believes-earth-is-flat
2•evo_9•16m ago•1 comments

Hardwood 1.0: A Fast, Lightweight Apache Parquet Reader for the JVM

https://www.morling.dev/blog/hardwood-1-0-fast-lightweight-apache-parquet-reader-for-the-jvm/
2•gunnarmorling•19m ago•0 comments

FM Radio Is Being Nixed from New Vehicles, Too

https://www.digitalmusicnews.com/2026/06/16/fm-radio-excluded-from-new-vehicles/
1•austinallegro•19m ago•0 comments

Natural Light Is an Essential Nutrient

https://www.midwesterndoctor.com/p/why-light-is-an-essential-nutrient
2•bilsbie•19m ago•0 comments

Apple raises prices for MacBooks and iPads, as costs soar over AI

https://www.rnz.co.nz/news/business/622489/apple-raises-prices-for-macbooks-and-ipads-as-costs-so...
3•billybuckwheat•20m ago•0 comments

YouTube Suspended Us [video]

https://www.youtube.com/watch?v=YvbiILFe5fA
1•ghastmaster•23m ago•2 comments

Sanctum of Living Symmetry, an alien cathedral-organism grown from math

https://sand-morph.up.railway.app/sanctum-of-living-symmetry
1•echohive42•30m ago•0 comments

The race to understand how and when Thwaites glacier will collapse

https://www.newscientist.com/article/2526630-the-race-to-understand-how-and-when-thwaites-glacier...
4•littlexsparkee•30m ago•0 comments

Remembering Lysenko [pdf]

https://www.cambridge.org/core/services/aop-cambridge-core/content/view/780C8565F8EDD870699611B70...
1•jruohonen•31m ago•0 comments

My Approach to Using AI with Programming

https://davidjwalz.com/my-approach-to-using-ai-with-programming/
2•Davesjoshin•31m ago•1 comments

I Build a 10 Inch Mini Rack from Aluminium Extrusions

https://louwrentius.com/i-build-a-10-inch-mini-rack-from-aluminium-extrusions.html
3•louwrentius•32m ago•0 comments

Adobe to Acquire Topaz Labs

https://news.adobe.com/
3•handfuloflight•33m ago•0 comments
Open in hackernews

The Doorman's Fallacy in Action

https://rozumem.xyz/posts/17
21•rozumem•1h ago

Comments

senordevnyc•58m ago
I get the QR code menu thing, that’s a solid example imo (though there ARE benefits to QR code menus), but the people hassling with their phones to extend their parking, or paying for their portion of the meal via QR code doesn’t sound at all like the doorman fallacy, just a shitty UI.

Without tech, these people would not have been notified that their parking would expire in the first place, and would have all had to leave the restaurant to extend their parking. Is that really better?

And splitting the bill among six people is an age old hassle that definitely has gotten better with tech at places who have a good UI for handling it.

AndrewDucker•45m ago
Agreed.

Generally, with QR menus I'm used to paying when we order. No need for secondary processes or worrying about something not being paid for.

fmobus•40m ago
A popular solution in my country, at least for less formal restaurants and bars (and even nightclubs) is for each customer to have their own tab, which gets marked by waiters and stays with the customer. In those places, it's also the norm that you pay your tab at the cashier prior to leaving, and waiters don't have to handle with money.
devindotcom•58m ago
My favorite version of this is robotic and drone-based package delivery. In many ways it could be useful and add efficiency to a congested system. But then you find out just what it is that delivery people actually do, the variety of security systems, steps and walkways, exceptions to rules, and so on and realize that what drones and robots automate is not really "the job" at all.

The last mile, in logistics, hospitality, retail or elsewhere is not just a mile, it's an interdependent series of several distances each with its own rules and restrictions. Tech-based solutions tend to solve an idealized, abstracted version of these and end up being only a very limited solution if they solve anything at all.

rootusrootus•47m ago
These folks have patted themselves on the back for devising a solution to the last mile without then realizing that the hardest part of all was the last 20 feet.

They'll just ignore that problem, drop the package on my front lawn and then snap a picture for proof of delivery from 50 feet up before flying away. To be fair, at least one of the Chinese international carriers does that every time already -- pull into my driveway, open the window, chuck the package onto the lawn, and then drive away. At least Amazon still brings it to the front porch and 90% of the time even puts it in a spot where the rain does not reach.

quantified•53m ago
We underestimate how valuable and useful the "technology" of a human really is.
rwmj•48m ago
What the article misses is that money is saved for the company by moving the work to the customer / end user.

It's the same thing with sending parcels, where I must now sit on my computer at home filling in a complicated online form and printing out my own labels. This takes me like 30 minutes, but saves time and money for the Post Office (not for me!)

There's no downside for the company here, especially when they are monopolies so we have no choice.

devindotcom•32m ago
Don't forget self check out at the grocery store. I don't mind personally (I find ways to make it worth my while..) but it's a version of the same thing. Shifting labor under the guise of convenience. Like all the other versions of this, the savings are absorbed by the company, not passed on to the consumer. It's rare that the opposite happens.
ralferoo•19m ago
My supermarket has the handheld scanners and they are a game changer. They fit handily into the trolley if you want and you just scan stuff as you go. If you want 8 of something, you can just tap the item and increase the quantity, none of the having to scan each one and add it carefully to the bagging area, etc... And best of all, at the end you just scan a self checkout screen (and they have special ones as well with no bagging area and no queue, but you can use the normal ones if the queue is shorter), so you scan the screen, click pay, click pay by card and hold your card on the machine. Done. Takes about 15 seconds all in, and the queues on those machines are basically non-existant as a result.

Best of all is that you put your stuff directly into your bags as you're shopping so there's no frantic packing stage.

Oh, and maybe Decathlon deserve a special mention here for their self-service checkouts. Every item has an RFID price tag usually sown into the care labels of their own-brand products. They don't have a self-scan machine, handheld or otherwise, you just drop everything you picked up into the box, it scans all the RFID tags and makes sure the weight is correct, and it's all done.

jcoletti•40m ago
I agree, but multiple people can scan a QR code simultaneously.
mcphage•30m ago
> multiple people can scan a QR code simultaneously

If it's large enough, and posted in a place where people sitting around a table can all see it clearly.

jcoletti•23m ago
I'm just always surprised when people place their entire phone over the code, thinking it needs to fill the screen, when they scan pretty well from a couple feet away.
MelonUsk•36m ago
You’re the demo version of the ultimate tech:

You create worlds in your sleep, anything magically appears in front of you - it’s called imagination

The only limit is:

We cannot recall the whole NYC and our imagination is a single-player experience

You cannot invite your buddy for a tea party in your mind

The ultimate tech is the ethical sim multiverse (think BCI Airpods + growing multiversal Web) to have multiversal memories, imagination and dreams

And you are a walking demo version of it

gwbas1c•36m ago
When a restaurant pushes me to a QR code I now outright say that I find them "insulting."

Granted, where I live e-menus generally haven't taken off in sit-down restaurants, so it's very easy to push back on nonsense like this.

joezydeco•13m ago
I enjoy the codes. It skips that whole dance we do in the US of waiting for the server to return - twice! - to pick up payment and then drop off the card and receipts. I can sit there as long as I want, pay once, then walk out. And the card has never left my hand.

What's more nonsense is the author of the article trying to split a check 6 ways and stressing over the fact two people shared a dessert. Sack up, split it roughly or better yet don't split it at all. Good friends return the favor sooner or later. Unless you're a cheapskate.

simianwords•24m ago
People have now clung on to doorman's fallacy as a way to justify keeping outdated jobs around.

There should be a new fallacy named for this phenomenon otherwise we would have people justifying having travel agents jobs and translator jobs being protected.

raldi•20m ago
To me this sounds more like the Icarus Fallacy: "The lesson of isn't don't fly close to the sun, it's make better fucking wings."
thewillowcat•9m ago
I would love to pay and manage parking from my phone if the apps actually worked intuitively, but they rarely do. It was easier when all I had to do was have a roll of quarters in my car.
cactacea•6m ago
> But when 6 people simultaneously tried to pay their share of the bill, chaos ensued.

I'm guessing the author has never worked as a server themselves... Is there any part of the world you can have a six top with individual checks when you didn't tell them up front to split the bill? As an American this just seems obvious to me but maybe the expectation is different in Dubai.

cobbzilla•2m ago
I’ve seen rare places where the server has a handheld and every single item is always individually charged. Then they can keep things separate or combine it however you want.

But, I’ve seen that maybe twice in my entire life. Once might have been in Vegas. Everywhere else is as you say; it’s just not a reasonable post-meal request.

orangecat•9m ago
Self checkout is absolutely more convenient if you're not buying a lot.

(I find ways to make it worth my while..)

If that means what it sounds like, congratulations on accelerating the descent to a low-trust society.

saulpw•52s ago
Blaming this individual for 'accelerating the descent' is like blaming a hobo for catching a ride on a runaway train going downhill. The ensuing trainwreck is already inevitable, at least you can get part of a ride out of it!
mhb•2m ago
> the savings are absorbed by the company, not passed on to the consumer

How do you come to this conclusion without a deep dive into a supermarket's finances?

jen20•29m ago
I don’t know which country you’re in (and don’t disagree with you) but even if the estimate of 30 minutes to shipping labels were accurate, that would still be a net win where I am in Texas - the line at the post office is regularly longer than that.
xboxnolifes•13m ago
Because staffing can/has be/been reduced since they made it possible for people to print their own labels. They aren't interested in making the queues faster.
darth_avocado•24m ago
> that money is saved for the company by moving the work to the customer / end user.

And somehow things are more expensive than ever. Self checkouts, order at the counter, bussing your own table, assembling your own furniture, filling out your or your pet’s medical history at a hospital, shipping labels (you mentioned this) and so much more. It’s a form of free labor that somehow society is okay with.