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Bought myself an Ampere Altra system

https://marcin.juszkiewicz.com.pl/2025/06/27/bought-myself-an-ampere-altra-system/
177•pabs3•6h ago•56 comments

Gridfinity: The modular, open-source grid storage system

https://gridfinity.xyz/
163•nateb2022•7h ago•63 comments

LetsEncrypt – Expiration Notification Service Has Ended

https://letsencrypt.org/2025/06/26/expiration-notification-service-has-ended/
119•zdw•6h ago•72 comments

The provenance memory model for C

https://gustedt.wordpress.com/2025/06/30/the-provenance-memory-model-for-c/
5•HexDecOctBin•1h ago•0 comments

New Proof Dramatically Compresses Space Needed for Computation

https://www.scientificamerican.com/article/new-proof-dramatically-compresses-space-needed-for-computation/
34•baruchel•2d ago•9 comments

Cross-Compiling Common Lisp for Windows

https://www.fosskers.ca/en/blog/cl-windows
31•todsacerdoti•2d ago•1 comments

Microsoft is moving antivirus providers out of the Windows kernel

https://www.theverge.com/news/692637/microsoft-windows-kernel-antivirus-changes
44•mrcsharp•3d ago•19 comments

I made my VM think it has a CPU fan

https://wbenny.github.io/2025/06/29/i-made-my-vm-think-it-has-a-cpu-fan.html
552•todsacerdoti•21h ago•134 comments

The Book of Shaders (2015)

https://thebookofshaders.com/
153•max_•3d ago•20 comments

Ask HN: What Are You Working On? (June 2025)

215•david927•14h ago•664 comments

A rare asteroid flyby will happen soon, but NASA may be left on the sidelines

https://arstechnica.com/features/2025/06/trump-budget-kills-nasas-golden-opportunity-to-see-a-killer-asteroid-up-close/
6•rbanffy•10m ago•0 comments

NativeJIT: A C++ expression –> x64 JIT

https://github.com/BitFunnel/NativeJIT
51•nateb2022•8h ago•19 comments

Cell Towers Can Double as Cheap Radar Systems for Ports and Harbors (2014)

https://spectrum.ieee.org/cell-tower-signals-can-improve-port-security
95•transpute•13h ago•43 comments

Want to meet people, try charging them for it?

https://notes.eatonphil.com/2025-06-28-want-to-meet-people-charge-them.html
100•ArneVogel•5h ago•45 comments

A glob of 99M-year-old amber trapped a zombie fungus erupting from a fly

https://www.cnn.com/2025/06/24/science/amber-insect-zombie-fungi-fossil
53•jackgavigan•3d ago•17 comments

Jane Austen's Boldest Novel Is Also Her Least Understood

https://www.nytimes.com/2025/06/27/books/review/jane-austen-mansfield-park.html
40•lermontov•2d ago•7 comments

The $25k car is going extinct?

https://media.hubspot.com/why-the-25000-car-is-going-extinct
190•pseudolus•19h ago•445 comments

Revisiting Knuth's "Premature Optimization" Paper

https://probablydance.com/2025/06/19/revisiting-knuths-premature-optimization-paper/
136•signa11•3d ago•69 comments

Ultrasound toothbrush promises painless checks for hidden gum problems

https://phys.org/news/2025-06-ultrasound-toothbrush-painless-hidden-gum.html
36•PaulHoule•3d ago•13 comments

OpenTyrian2000 – multi platform SDL3 version of Tyrian 2000 released

https://github.com/andyvand/opentyrian2000/releases/tag/3.0.0-SDL3
4•retro_guy•21m ago•1 comments

Huawei Patents 3,000km Solid-State Battery with 5-Minute Charge

https://carnewschina.com/2025/06/18/huaweis-3000km-solid-state-battery-patent-with-5-minute-charge-ignites-industry-race/
3•dockerd•11m ago•0 comments

Use keyword-only arguments in Python dataclasses

https://chipx86.blog/2025/06/29/tip-use-keyword-only-arguments-in-python-dataclasses/
59•Bogdanp•10h ago•20 comments

Thousands in Norway told they had won life-changing sums in lottery error

https://www.theguardian.com/world/2025/jun/29/thousands-in-norway-told-they-had-won-life-changing-sums-in-lottery-error
27•zqna•2h ago•31 comments

Event – Fast, In-Process Event Dispatcher

https://github.com/kelindar/event
148•kelindar•19h ago•32 comments

Anticheat Update Tracking

https://not-matthias.github.io/posts/anticheat-update-tracking/
62•not-matthias•14h ago•20 comments

We accidentally solved robotics by watching 1M hours of YouTube

https://ksagar.bearblog.dev/vjepa/
172•alexcos•19h ago•125 comments

Touching the back wall of the Apple store

https://blog.lauramichet.com/touching-the-back-wall-of-the-apple-store/
182•nivethan•3d ago•147 comments

Does Form Shape Function?

https://www.quantamagazine.org/does-form-really-shape-function-20250612/
8•lentoutcry•2d ago•0 comments

Building untrusted container images safely at scale

https://depot.dev/blog/container-security-at-scale-building-untrusted-images-safely
17•Telstrom90•3d ago•9 comments

To the Postbox

https://literaryreview.co.uk/to-the-postbox
6•Caiero•2d ago•0 comments
Open in hackernews

Ultrasound toothbrush promises painless checks for hidden gum problems

https://phys.org/news/2025-06-ultrasound-toothbrush-painless-hidden-gum.html
36•PaulHoule•3d ago

Comments

wjnc•4h ago
First law of dentistry: Any innovation that does not increase dentist margin, will not reach market.

To expand on this argument. I think even medical health care is more open to innovation that mainly benefits consumer health. Doctors are kind of oblivious of the cost of procedures. This has a host of other problems, but at least innovation and health outcomes are aligned (and less aligned with cost). Dentists are massively private equity owned where I live. Bottom line is everything. You notice that where you’re in the chair. Six minute procedures (the billing time) always take seven. Kids are state insured and always get upsold to whatever procedure is fashionable (or should I say: has the highest margin). I have a strong feeling innovations are swallowed up and shelved in this sector. It makes sense for the PE to kill innovation once you have a market cornered.

The only thing this anti market rant (not my usual spiel) does not have is an explanation for how PE coordinates the suppression of innovation. I should look into the owners of the parties that deliver the dentist supplies and machinery. That would be the best way to corner a market, by owning the supply chain as well.

throwaway290•3h ago
Fluoride based toothpaste does not increase dentist margin though right?

> toothpaste is usually self-administered haha

very funny. this is a toothbrush, unless you have someone brush your teeth it is always self administered

throawayonthe•3h ago
toothpaste is usually self-administered haha
amelius•1h ago
This could be an innovation: toothbrush with built-in toothpaste dispenser.
Someone•51m ago
Already a product, typically/always marketed as a travel toothbrush.
meindnoch•16m ago
From 2011: https://techcrunch.com/2011/03/22/actually-a-good-idea-tooth...
wjnc•1h ago
First introduced in 1914! Suppressing a current practice is way harder than suppressing an innovation via buy-and-die.
throwaway290•1h ago
True.
yanko•1h ago
Fluoride as ingredient is questionable for human heath despite of what the marketing spread
OKRainbowKid•1h ago
Do you have any reputable evidence that fluorinated toothpaste is harmful (assuming normal usage)?
ErrorNoBrain•3h ago
this is just a product that is easier to use?

i dont see why it couldnt reach the market

lofaszvanitt•2h ago
I think most of the people do not even know how much calcium or other supplements they need on a daily or weekly basis to keep their teeth healthy.
amelius•1h ago
Can you point to the research?