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Ask HN: Opus 4.6 ignoring instructions, how to use 4.5 in Claude Code instead?

1•Chance-Device•17s ago•0 comments

We Mourn Our Craft

https://nolanlawson.com/2026/02/07/we-mourn-our-craft/
1•ColinWright•2m ago•0 comments

Jim Fan calls pixels the ultimate motor controller

https://robotsandstartups.substack.com/p/humanoids-platform-urdf-kitchen-nvidias
1•robotlaunch•6m ago•0 comments

Exploring a Modern SMTPE 2110 Broadcast Truck with My Dad

https://www.jeffgeerling.com/blog/2026/exploring-a-modern-smpte-2110-broadcast-truck-with-my-dad/
1•HotGarbage•6m ago•0 comments

AI UX Playground: Real-world examples of AI interaction design

https://www.aiuxplayground.com/
1•javiercr•7m ago•0 comments

The Field Guide to Design Futures

https://designfutures.guide/
1•andyjohnson0•7m ago•0 comments

The Other Leverage in Software and AI

https://tomtunguz.com/the-other-leverage-in-software-and-ai/
1•gmays•9m ago•0 comments

AUR malware scanner written in Rust

https://github.com/Sohimaster/traur
3•sohimaster•12m ago•1 comments

Free FFmpeg API [video]

https://www.youtube.com/watch?v=6RAuSVa4MLI
3•harshalone•12m ago•1 comments

Are AI agents ready for the workplace? A new benchmark raises doubts

https://techcrunch.com/2026/01/22/are-ai-agents-ready-for-the-workplace-a-new-benchmark-raises-do...
2•PaulHoule•17m ago•0 comments

Show HN: AI Watermark and Stego Scanner

https://ulrischa.github.io/AIWatermarkDetector/
1•ulrischa•17m ago•0 comments

Clarity vs. complexity: the invisible work of subtraction

https://www.alexscamp.com/p/clarity-vs-complexity-the-invisible
1•dovhyi•18m ago•0 comments

Solid-State Freezer Needs No Refrigerants

https://spectrum.ieee.org/subzero-elastocaloric-cooling
1•Brajeshwar•19m ago•0 comments

Ask HN: Will LLMs/AI Decrease Human Intelligence and Make Expertise a Commodity?

1•mc-0•20m ago•1 comments

From Zero to Hero: A Brief Introduction to Spring Boot

https://jcob-sikorski.github.io/me/writing/from-zero-to-hello-world-spring-boot
1•jcob_sikorski•20m ago•1 comments

NSA detected phone call between foreign intelligence and person close to Trump

https://www.theguardian.com/us-news/2026/feb/07/nsa-foreign-intelligence-trump-whistleblower
8•c420•21m ago•1 comments

How to Fake a Robotics Result

https://itcanthink.substack.com/p/how-to-fake-a-robotics-result
1•ai_critic•21m ago•0 comments

It's time for the world to boycott the US

https://www.aljazeera.com/opinions/2026/2/5/its-time-for-the-world-to-boycott-the-us
3•HotGarbage•21m ago•0 comments

Show HN: Semantic Search for terminal commands in the Browser (No Back end)

https://jslambda.github.io/tldr-vsearch/
1•jslambda•21m ago•1 comments

The AI CEO Experiment

https://yukicapital.com/blog/the-ai-ceo-experiment/
2•romainsimon•23m ago•0 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
4•surprisetalk•27m ago•0 comments

MS-DOS game copy protection and cracks

https://www.dosdays.co.uk/topics/game_cracks.php
4•TheCraiggers•28m ago•0 comments

Updates on GNU/Hurd progress [video]

https://fosdem.org/2026/schedule/event/7FZXHF-updates_on_gnuhurd_progress_rump_drivers_64bit_smp_...
2•birdculture•28m ago•0 comments

Epstein took a photo of his 2015 dinner with Zuckerberg and Musk

https://xcancel.com/search?f=tweets&q=davenewworld_2%2Fstatus%2F2020128223850316274
14•doener•29m ago•2 comments

MyFlames: View MySQL execution plans as interactive FlameGraphs and BarCharts

https://github.com/vgrippa/myflames
1•tanelpoder•30m ago•0 comments

Show HN: LLM of Babel

https://clairefro.github.io/llm-of-babel/
1•marjipan200•30m ago•0 comments

A modern iperf3 alternative with a live TUI, multi-client server, QUIC support

https://github.com/lance0/xfr
3•tanelpoder•31m ago•0 comments

Famfamfam Silk icons – also with CSS spritesheet

https://github.com/legacy-icons/famfamfam-silk
1•thunderbong•32m ago•0 comments

Apple is the only Big Tech company whose capex declined last quarter

https://sherwood.news/tech/apple-is-the-only-big-tech-company-whose-capex-declined-last-quarter/
4•elsewhen•35m ago•0 comments

Reverse-Engineering Raiders of the Lost Ark for the Atari 2600

https://github.com/joshuanwalker/Raiders2600
2•todsacerdoti•37m ago•0 comments
Open in hackernews

Putting the "You" in CPU (2023)

https://cpu.land/
98•vinhnx•4w ago

Comments

drob518•3w ago
Great presentation.
amelius•3w ago
Meanwhile, companies are taking the "You" out of the CPU so they can control your hardware and by indirection, you.
high_na_euv•3w ago
How?
immibis•3w ago
Secure boot etc. It's in every ARM device, including the management engines in x64 devices (which are ARM devices).
high_na_euv•3w ago
Oh, I see.

Fortunely there is still x86

amelius•3w ago
There is https://en.wikipedia.org/wiki/Intel_Management_Engine

Anyway, it will be maybe a few years until the governments will get the idea of enforcing their own management engines into our hardware :/

LargoLasskhyfv•3w ago
> Oh, I see.

No, you don't.

Because of the SMI/ACPI/Intel Management Engine/AMD Secure Technology/UEFI, and optionally AMT-complex, where usually only parts of can be deactivated partially, but never all of it.

It's actually more bad than the above mentioned ARM-stuff, which is misinformed(maybe because of raspberry piish broadcomisms, or locked down dumbphones), because on ARM, you either can disable that stuff, or even can run your own instead.

https://www.trustedfirmware.org/projects/op-tee/

https://github.com/OP-TEE

https://docs.kernel.org/next/tee/op-tee.html

hnuser123456•3w ago
You would need to go back to ~2005-era Intel x86 CPUs to have x86 without a backdoor baked into the silicon (as far as we know), like Pentium 4. The Core 2 / Q6600 / P35 chipset already had an early version of it. Wikipedia says AMD added their equivalent, the Platform Security Processor, around 2013, so their best CPU from 2012 would be the FX-8350.
kimixa•3w ago
I mean technically there's nothing they can do that SMM couldn't - introduced in a revision of the 386. It's code running with system permissions invisible to the "parent" user code and OS.

You're already pretty much trusting the same people then as now, at least if they are "actively malicious".

itopaloglu83•3w ago
Great introduction to programming fundamentals as well.

Being able to explain something this simply usually requires a very good understanding of the entire subject.

napolux•3w ago
https://news.ycombinator.com/item?id=46574687
lucasoshiro•3w ago
Since the first time that I saw this here in HN I've been sharing it with several people around me. This including CS students, CS professors and non-technical people who only asked "how does a computer work?". I only say "just type 'cpu.land' and read that". This is one of the best things that I've found here.
Isamu•3w ago
I think this is a good overview for most people, this is probably what they want.

For me personally I was surprised given the name that very little is about cpus and most of the material is in the operating system.

archmaster•3w ago
I guess I gotta write one about CPUs now ;)
Isamu•3w ago
No problem really, I think most people want to bootstrap quickly from the low level into the higher abstractions that they care about, few people want to stay down in the cpu itself.
CagedCoder•3w ago
> The bottom of every page is padded so readers can maintain a consistent eyeline.

God bless

enricotr•3w ago
Very fine site!