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Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28

https://www.jvm-weekly.com/p/project-valhalla-explained-how-a
68•philonoist•2h ago•35 comments

DuckDB Internals: Why Is DuckDB Fast? (Part 1)

https://www.greybeam.ai/blog/duckdb-internals-part-1
150•marklit•2d ago•54 comments

So You Want to Define a Well-Known URI

https://mnot.net/blog/2026/well_known_uris
45•ingve•2h ago•21 comments

To study how chips work, MIT researchers built their own operating system

https://news.mit.edu/2026/to-study-how-chips-really-work-mit-researchers-built-their-own-operatin...
170•speckx•3d ago•24 comments

Zen and the Art of Machine Learning Research

https://blog.jxmo.io/p/zen-and-the-art-of-machine-learning
42•jxmorris12•3d ago•12 comments

Gribouille 0.3.0: A Grammar of Graphics for Typst

https://mickael.canouil.fr/posts/2026-06-15-gribouille-0-3/
71•mcanouil•3d ago•19 comments

I found 10k GitHub repositories distributing Trojan malware

https://orchidfiles.com/github-repositories-distributing-malware/
780•theorchid•21h ago•203 comments

Zero-Touch OAuth for MCP

https://blog.modelcontextprotocol.io/posts/enterprise-managed-auth/
190•niyikiza•10h ago•65 comments

Fable Converted Pylint to Rust

https://pypi.org/project/prylint/
19•adamraudonis•4h ago•7 comments

How Japan's railways stayed one while splitting apart

https://arun.is/blog/jr-logo/
87•ddrmaxgt37•1d ago•72 comments

Datasette Apps: Host custom HTML applications inside Datasette

https://simonwillison.net/2026/Jun/18/datasette-apps/
72•lumpa•7h ago•25 comments

The AirPods Effect

https://www.theescapenewsletter.com/p/the-airpods-effect
83•herbertl•9h ago•136 comments

Building a robotics research setup that lives next to my desk

https://dfdxlabs.com/research/2026/robotics-setup/
75•mplappert•18h ago•24 comments

Ubiquiti: Enterprise NAS, Built on ZFS

https://blog.ui.com/article/introducing-enterprise-nas
330•ksec•18h ago•282 comments

Ice water drowning survival of young patient (2025)

https://www.jacc.org/doi/10.1016/j.jaccas.2025.104885
137•js2•5h ago•88 comments

CS 6120: Advanced Compilers: The Self-Guided Online Course (2020)

https://www.cs.cornell.edu/courses/cs6120/2025fa/self-guided/
364•ibobev•21h ago•51 comments

Show HN: Talos – Open-source WASM interpreter for Lean

https://github.com/cajal-technologies/talos
51•mfornet•19h ago•5 comments

.gitignore Isn't the only way to ignore files in Git

https://nelson.cloud/.gitignore-isnt-the-only-way-to-ignore-files-in-git/
409•FergusArgyll•22h ago•129 comments

Cell-based architecture for resilient payment systems

https://americanexpress.io/cell-based-architecture-for-resilient-payment-systems/
120•birdculture•3d ago•48 comments

Hospitals and universities repurposing drugs at lower cost

https://www.kcl.ac.uk/news/hospitals-and-universities-repurposing-drugs-at-90-lower-cost
304•giuliomagnifico•22h ago•136 comments

I told them forced consent was unlawful. 5 years later it cost Elkjop €1.8M

https://www.thatprivacyguy.com/blog/elkjop-forced-consent-fine/
373•speckx•14h ago•212 comments

Flexport (YC W14) Is Hiring in Indonesia, India, and Thailand

https://www.flexport.com/company/careers/
1•thedogeye•7h ago

The Raku Foundation is born

https://raku.foundation
14•librasteve•3d ago•4 comments

Many Let's Encrypt renewals had errors today

https://letsencrypt.status.io/#2026
139•widdakay•4h ago•87 comments

The Korean telecom giant at the center of Anthropic's Mythos controversy

https://www.wired.com/story/sk-telecom-anthropic-mythos-export-controls/
112•dstala•20h ago•91 comments

Show HN: Are You in the Weights?

https://www.intheweights.com/
336•turtlesoup•12h ago•188 comments

If your product is Great, it doesn't need to be Good (2010)

http://paulbuchheit.blogspot.com/2010/02/if-your-product-is-great-it-doesnt-need.html
74•skogstokig•3d ago•49 comments

W Social, public institutions and the theater of European digital sovereignty

https://blog.elenarossini.com/w-social-public-institutions-and-the-theater-of-european-digital-so...
207•nemoniac•20h ago•137 comments

Launch HN: TesterArmy (YC P26) – Agents that test web and mobile apps

https://tester.army
118•okwasniewski•18h ago•55 comments

Modos Color Monitor Pushes E-Paper Displays Further

https://spectrum.ieee.org/modos-e-paper-monitor
277•Vinnl•21h ago•67 comments
Open in hackernews

Chameleon Ultra: a flashdrive sized NFC toolkit

https://github.com/RfidResearchGroup/ChameleonUltra
21•elisaado•4d ago

Comments

ku1ik•2d ago
Too bad there’s no single „this is what this project is” anywhere in the repo description, readme or docs. There’s „X is next generation of Y”, and even the whitepaper goes straight into weeds instead of explaining what the thing is. I tried hard but I still don’t fully understand.
AgentMasterRace•2d ago
If you don't know what it is based on the limited info in the readme you're not the audience.
LazyGooze•1d ago
damn bro, watch the gatekeeping... what if i want to learn more about it?
dpoloncsak•1d ago
Then you read the thorough documentation provided?
zcw100•1d ago
> "no single „this is what this project is” anywhere in the repo description, readme or docs. "

That sounds like he read through the docs to me and make a perfectly valid observation that that the maintainers might find valuable. He didn't criticize them for not doing it he just pointed out that it wasn't there. You then told him to RTFM when you didn't seem to spend much time reading what he had written.

dpoloncsak•1d ago
If you can't figure out what the project is, while the description says "...card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards...." then I'm not sure you should be playing with software that can easily cross the line of breaking laws. Grey-hat software like this rarely screams "NFC CRACKER" since it hurts the credibility, is more likely to get it flagged by automated scans, and attracts skids. Look what happened to the flipper...

Also, my comment was in reply to 'What if I want to learn more about it'. RTFM is the objectively correct response, no short description is going to help there. Maybe we have different ideas of what "learn more" means

glenngillen•2d ago
Agreed. From a quick skim (especially of the CLI interface) it looks to be a device to impersonate an NFC card, so you can then put it on a reader (eg. A hotel room door) and try to reverse engineer the handshake.
WinstonSmith84•2d ago
looks like to be for pentesting. If you look at their affiliates, it's a bit more clear https://lab401.com/collections/pentesting/products/lab401-pe...

But I came here too, to understand what it is about and we are probably just not the audience :-)

Now, I'd be curious to know how good these devices are and/or how insecure these RFID chips are - because 500 USD is quite cheap for a device supposed to impersonate you or open your car or your hotel room.

HackerNewt-doms•2d ago
> 500 USD is quite cheap for a device …

If you type chameleon ultra v3 into the search box on aliexpress, you’ll get results for under 20€.

filcuk•1d ago
If you look up v4, you get about the same price as other resellers.