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Project Glasswing: Securing critical software for the AI era

https://www.anthropic.com/glasswing
222•Ryan5453•1h ago•70 comments

GLM-5.1: Towards Long-Horizon Tasks

https://z.ai/blog/glm-5.1
235•zixuanlimit•2h ago•72 comments

System Card: Claude Mythos Preview [pdf]

https://www-cdn.anthropic.com/53566bf5440a10affd749724787c8913a2ae0841.pdf
162•be7a•1h ago•81 comments

Cambodia unveils a statue of famous landmine-sniffing rat Magawa

https://www.bbc.com/news/articles/c0rx7xzd10xo
118•speckx•1h ago•20 comments

Assessing Claude Mythos Preview's cybersecurity capabilities

https://red.anthropic.com/2026/mythos-preview/
67•sweis•1h ago•8 comments

Show HN: Brutalist Concrete Laptop Stand (2024)

https://sam-burns.com/posts/concrete-laptop-stand/
598•sam-bee•8h ago•190 comments

Rescuing old printers with an in-browser Linux VM bridged to WebUSB over USB/IP

https://printervention.app/details
71•gmac•2h ago•22 comments

Cloudflare targets 2029 for full post-quantum security

https://blog.cloudflare.com/post-quantum-roadmap/
186•ilreb•5h ago•57 comments

A truck driver spent 20 years making a scale model of every building in NYC

https://www.smithsonianmag.com/smart-news/a-truck-drive-spent-20-years-making-this-astonishing-sc...
47•1659447091•1d ago•2 comments

AI helps add 10k more photos to OldNYC

https://www.danvk.org/2026/03/08/oldnyc-updates.html
63•evakhoury•1d ago•14 comments

Google open-sources experimental agent orchestration testbed Scion

https://www.infoq.com/news/2026/04/google-agent-testbed-scion/
87•timbilt•5h ago•24 comments

We found an undocumented bug in the Apollo 11 guidance computer code

https://www.juxt.pro/blog/a-bug-on-the-dark-side-of-the-moon/
332•henrygarner•8h ago•166 comments

A new Postcrossing stamp from the USA

https://www.postcrossing.com/blog/2026/03/31/a-new-postcrossing-stamp-from-the-usa
49•Tomte•3d ago•15 comments

John Coltrane Illustrates the Mathematics of Jazz

https://www.americanjazzmusicsociety.com/blog/john-coltrane-draws
51•luu•13h ago•4 comments

Moving fast in hardware: lessons from lab to $100M ARR

https://blog.zacka.io/p/simplify-then-add-lightness-bc4
75•rryan•4h ago•21 comments

12k Tons of Dumped Orange Peel Grew into a Landscape Nobody Expected (2017)

https://www.sciencealert.com/how-12-000-tonnes-of-dumped-orange-peel-produced-something-nobody-im...
186•pulisse•3h ago•63 comments

9 Mothers (YC P26) Is Hiring – Lead Robotics and More

https://jobs.ashbyhq.com/9-mothers?utm_source=x8pZ4B3P3Q
1•ukd1•5h ago

Emotion Concepts and Their Function in a Large Language Model

https://transformer-circuits.pub/2026/emotions/index.html
37•Anon84•3d ago•0 comments

Dropping Cloudflare for Bunny.net

https://jola.dev/posts/dropping-cloudflare
320•shintoist•5h ago•164 comments

Show HN: A cartographer's attempt to realistically map Tolkien's world

https://www.intofarlands.com/atlasofarda
130•intofarlands•7h ago•24 comments

Every GPU That Mattered

https://sheets.works/data-viz/every-gpu
279•jonbaer•10h ago•159 comments

The Image Boards of Hayao Miyazaki

https://animationobsessive.substack.com/p/the-image-boards-of-hayao-miyazaki
4•vinhnx•1d ago•1 comments

My Experience as a Rice Farmer

https://xd009642.github.io/2026/04/01/My-Experience-as-a-Rice-Farmer.html
326•surprisetalk•5d ago•167 comments

SQLite in Production: Lessons from Running a Store on a Single File

https://ultrathink.art/blog/sqlite-in-production-lessons
144•thunderbong•3d ago•94 comments

Haunting Photos Show the Aftermath of the Kursk Submarine Disaster in 2000

https://rarehistoricalphotos.com/kursk-submarine-disaster-photos/
142•mooreds•5d ago•37 comments

Identify a London Underground Line just by listening to it

https://tubesoundquiz.com/
153•nelson687•9h ago•49 comments

Wi-Fi That Can Withstand a Nuclear Reactor: This receiver chip can take it

https://spectrum.ieee.org/robotics-in-nuclear-industry
80•voxadam•5d ago•6 comments

Good Taste the Only Real Moat Left

https://rajnandan.com/posts/taste-in-the-age-of-ai-and-llms/
155•speckx•3h ago•135 comments

Global Physics Photowalk: 2025 winners revealed

https://www.quantamagazine.org/global-physics-photowalk-2025-winners-revealed-20260401/
24•ibobev•4d ago•1 comments

Show HN: Finalrun – Spec-driven testing using English and vision for mobile apps

https://github.com/final-run/finalrun-agent
19•ashish004•4h ago•7 comments
Open in hackernews

Kindle to end store downloads and registering for 1st-5th gen kindles in May

https://www.reddit.com/r/kindle/s/xg8uCdAWU3
48•seam_carver•2h ago

Comments

Havoc•1h ago
The old kindles only support the book format with the weak encryption. ;)

They also killed the ability to download books from the website a while back so directly of travel is pretty clear here.

rationalist•1h ago
Yep, I will never buy another Kindle.
Nicholas_C•1h ago
This kind of stuff is why I no longer use a kindle. I use a kobo which IMHO is not as good of a product but it's worth not supporting this behavior.
kolinko•1h ago
Because Amazon stops supporting devices after 14 years? (while they can still be used to read books already downloaded)

Really?

Nicholas_C•1h ago
In my post I said "this kind of stuff" which also includes their DRM policies (which is the real reason they are ending the users' kindle support).
kelnos•41m ago
In this case the reason for dropping support is most likely that the only DRM they can support on that older hardware has been broken. There's no technical reason why it can't be supported, and I doubt it would cost them much (or even anything) to continue support.

Meanwhile, I can still read physical books I've had since I was a child, 40 years ago. The Kindle is undeniably more convenient than physical books, but this is absolutely an unnecessary sunset of these devices.

alistairSH•1h ago
Where do you buy your e-books?

I've stuck with Kindle, but that's 80% inertia (Amazon has most books, the device works well enough) and 20% existing library is Kindle e-books.

roughly•1h ago
Kobo has a bookstore that’s pretty comprehensive - I haven’t found anything missing. Not sure that gets you out of DRM land, but at least you’re not giving money to Jeff Bezos.
avgDev•46m ago
One could buy a physical book, and then "find" digital version of it. Seems fair to me?
neilv•1h ago
I don't approve of a company shutting off network service for a device it sold, but...

If this is a hint at much more formidable DRM coming out, could a silver lining for authors and publishers be more sales?

Or is mass piracy going to just continue, full steam ahead?

(Authors and publishers need any bit of good news they can get right now.)

yjftsjthsd-h•1h ago
Does stronger DRM lead to more sales? It was my impression that actual studies were at best pretty mixed.
sbarre•1h ago
Anecdotal: DRM actively discourages me from purchasing digital goods.
timdiggerm•52m ago
Yeah but HN commenters are not a representative sample of the ebook consumer base
TimorousBestie•1h ago
> (Authors and publishers need any bit of good news they can get right now.)

Amazon accumulating even more control over the ebook market is not good news for authors and publishers.

Beretta_Vexee•1h ago
DRM has always been a means of protecting a monopoly; copyright protection is merely the excuse given to justify the measure and the monopoly.
mrguyorama•1h ago
DRM is why I will never own a second ebook reader and have returned to buying books.

None of my books stop working after 12 years, but my kindle, which still works fine, has indeed failed to do it's most basic job.

beej71•30m ago
I love ebook readers. I just don't put any DRM'd books on them. But I also buy all that stuff used. No more money to Bezos, and it saves the landfill, too.
Modified3019•58m ago
Long ago, for a few years I would occasionally buy ebooks from Amazon when it was trivial to strip the DRM with basically my credit card number and a script. Once they started trying to lock things down further, I completely stopped buying, moving to piracy mostly, and occasional scanning of physical books.

Being more technically capable than typical, I’m hardly a normal customer to try to target, but the way I see it all this does is piss off the minority who care and are capable of getting around restrictions. Those who don’t care or aren’t capable will just continue getting cluelessly fucked over as always. These measures less about effectiveness, and more like a money themed emotional support affirmation for someone in a suit. It helps them feel like they are accomplishing something, but that’s it.

I haven’t checked lately, but I expect that “AI” tools that easily and accurately rip and format data from a picture feed of a screen will become the way to go for bypassing whatever clever encryption schemes come along. This also has the benefit of ignoring the steganographic tracking data hidden in paid files, making piracy ultimately easier for the uninformed. This sort of thing was always possible, but was a bit janky and laborious.

exe34•52m ago
Same here - I'll only buy books I can read on any device of my choosing. Kindle+dedrm was an option. https://www.kobo.com/gb/en/p/drm-free is another option I have used a lot. But if it's not available, I will go to the modern day library of alexandria. I will not pay for crap that will just stop working in a few years - a book can sit on my shelf for 15 years before I get around to reading it.
Modified3019•47m ago
Speaking of llm OCR tools, had a quick look and immediately found this: https://github.com/transitive-bullshit/kindle-ai-export

If anyone has similar tools they like I’d love to hear.

big-and-small•55m ago
How do you imagine DRM can possibly protect text?
avgDev•44m ago
Piracy will never be stopped. Never.
beej71•35m ago
If there's a way to read the book, the book can and will be copied. It doesn't matter if it's DRM protected with 84 bazillion bit encryption, if there are dead trees involved, or anything else. You can make it harder to copy, but copied it will be.

Mass piracy will continue full steam ahead at current rates.

Most of these sites allow you to read on a computer screen and those can be captured and OCR'd. And if they don't allow that, you can take a photo of your device and OCR that. And if you can't do that, you can manually type in the book. There's always a way, and it will always happen to any books that publishers are making any kind of profit on.

AdmiralAsshat•1h ago
Man, Amazon is really going above-and-beyond to cripple the last bastion of Kindle devices that carry a DRM scheme we can crack.
ratg13•1h ago
I hate Amazon more because than most people, but let’s be realistic.

These devices came out in 2007-2012

14-19 years is a respectable lifetime for a handheld electronic device.

AdmiralAsshat•1h ago
Yes...but let's also be realistic. Very few people are still using this Kindle as their daily driver. They've already upgraded to a PaperWhite or something better.

But there's a very simple reason that Amazon is cutting support for these. Many people (myself included--I have a 4th Gen still kicking around) keep one around because, after Amazon removed the Download option for Ebooks awhile back, having one of these old Kindles is the only way to download ebooks in a format from Amazon that can have their DRM cracked.

All Kindles newer than a certain date use the KFX format, with an encryption scheme that is constantly changing (basically any time someone figures out how to break it, Amazon updates it). Killing support for these old devices is basically Amazon's last step in removing "legacy" encryption schemes that can still be broken.

It would be the equivalent of Nintendo delivering a new firmware update for their Wii and Wii-U systems, in order to patch out a recently-discovered exploit. It serves no other purpose than to demonstrate the extreme contempt for Amazon's end-users and the lengths they're willing to go to combat user-freedom^W "piracy".

xyzzy_foo•47m ago
Good news: People are working on removing the latest KFX DRM, and it has already been cracked.

Bad news: Amazon is monitoring them and hasn't let up on efforts to update the DRM.

fooqux•1h ago
It's still unnecessary e-waste given that they work fine for their intended purposes.
stathibus•54m ago
its a device for reading text ffs
exe34•51m ago
The device still works. It's being crippled on purpose.
kelnos•38m ago
I disagree. There's no technical reason why they can't still work. They're perfectly good devices (possibly some needing a battery replacement). Why do we think it's ok to turn working devices into e-waste, because the company behind them needs to make a "business decision".

(Which in this case is likely DRM-related, which drops my sympathy meter below zero.)

generic92034•29m ago
14-19 years might be a respectable lifetime for a handheld electronic device, but in most cases (good care assumed) it is not a respectable lifetime for a book.
seam_carver•1h ago
Side tangent: I’m the developer of Kindle Comic Converter. Kindle updates 5.19.2+ have completely broken the sideloaded manga reader with bugs like huge margins, pages being on the wrong side in 2 page landscape mode, no panel view, no % read tracker, and laggy page turns. I’ve documented the problems here and the first report was 50 days ago. https://youtu.be/Eo6K7omlE7g

And I haven’t even touched all the problems with normal sideloaded books like broken embedded/publisher fonts.

Kindle settings > help > contact us > email if you want to voice complaints.

abadar•39m ago
Thank you for making such a great tool. KCC got me back into reading manga and there are so many that are so great.

For anyone looking for recommendations, I really enjoyed Pluto, Yokohama Shopping Log, and Young Ladies Don't Play Fighting Games.

sigzero•1h ago
The 5th generation kindle came out in ... 2012. That's a pretty good run.
ravetcofx•1h ago
I own books approaching 100 years old. 14 years is pretty sad
damontal•1h ago
I have an old kindle keyboard I keep around for nostalgia that still works. I’m guessing this will be affected. Hoping I can still add books via usb
zokier•1h ago
While everyone is commenting about drm, there is another factor to consider: TLS. These old Kindles definitely do not support up-to-date TLS ciphersuites and understandably Amazon wants/needs to drop insecure ciphersuites from public endpoints at some point. I'm pretty sure that is also the reason why the Wikipedia integration for these old Kindles broke ages ago.
JimBlackwood•45m ago
Software updates exist, I’m sure they could support it if they wanted to.

Ed25519 isn’t so new that the hardware wouldn’t be capable.

SilverElfin•48m ago
Does anyone use a Kindle anymore? I feel like the writing was on the wall ten years ago. It’s a dead end product that no one cares about. And all the shady stuff like forced deletion of books was a sign. But also, I think people have really become tired of sitting in front of screens. Physical books are more popular among friends than Kindles or other digital books are, and that wasn’t the case ten years ago.
kelnos•37m ago
> It’s a dead end product that no one cares about.

I think you are very much out of touch with the average book/e-book consumer.

lordleft•45m ago
I've used a kindle for years and have bought hundreds of ebooks through Amazon's platform. The convenience of being able to carry a library with me in a single device is undeniable. ~14 years of support seems reasonable, especially in the context of modern tech. And yet decisions like this always upset me. For all the limitations of physical books, I can hand my physical books to my literal children and grandchildren when I die. As long as I tend to the book, I have it. The fact that this isn't guaranteed for DRM-locked ebooks, for all their advantages, makes me feel like we are somehow going backwards, despite our progress technologically. Instead of a future where products get unambiguously better, the future seems filled with products that come with significant trade-offs. The trade-offs are beginning to not feel worth it to me.
Larrikin•37m ago
We are going backwards. The concept of a library would be illegal if invented today. They are only allowed to exist today because they've been around for hundreds of years. There are still people who attack them and try to shut them down.
Insanity•34m ago
I buy both physical and digital books and much prefer digital, reading on my kindle is more convenient (especially to adjust the font size). For sharing with family, I have a family library set up with Amazon and the experience is really smooth.

I do enjoy owning physical copies of books I liked, and they are part of the “decor” at home at this point. I have limited space so I have 2 completely stacked bookshelves, and then piles of books around the kitchen on top of the cupboards etc.

So I don’t think it needs to be “either or”. :)

bityard•27m ago
Lots of us felt the same way since the beginning of ebooks. If you lose your Amazon account, you lose your books, which means you never really owned them.

There are (and have been) DRM-free eBook stores. You _might_ be able to strip the DRM from your Amazon books. However, the process and ease of doing so seems to change often, I don't know if it's easy or hard right now.

In the future, consider supporting ebook manufacturers and stores that don't lock down your device, and sell DRM-free books. Kobo is one example. We have a bunch of these in our household. They don't require an account, I can just upload books via USB port on any computer, and they are pretty hackable.