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The Rise of Spec Driven Development

https://www.dbreunig.com/2026/02/06/the-rise-of-spec-driven-development.html
1•Brajeshwar•26s ago•0 comments

The first good Raspberry Pi Laptop

https://www.jeffgeerling.com/blog/2026/the-first-good-raspberry-pi-laptop/
1•Brajeshwar•33s ago•0 comments

Seas to Rise Around the World – But Not in Greenland

https://e360.yale.edu/digest/greenland-sea-levels-fall
1•Brajeshwar•40s ago•0 comments

Will Future Generations Think We're Gross?

https://chillphysicsenjoyer.substack.com/p/will-future-generations-think-were
1•crescit_eundo•3m ago•0 comments

Kernel Key Retention Service

https://www.kernel.org/doc/html/latest/security/keys/core.html
1•networked•3m ago•0 comments

State Department will delete Xitter posts from before Trump returned to office

https://www.npr.org/2026/02/07/nx-s1-5704785/state-department-trump-posts-x
1•righthand•6m ago•0 comments

Show HN: Verifiable server roundtrip demo for a decision interruption system

https://github.com/veeduzyl-hue/decision-assistant-roundtrip-demo
1•veeduzyl•7m ago•0 comments

Impl Rust – Avro IDL Tool in Rust via Antlr

https://www.youtube.com/watch?v=vmKvw73V394
1•todsacerdoti•8m ago•0 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
2•vinhnx•8m ago•0 comments

minikeyvalue

https://github.com/commaai/minikeyvalue/tree/prod
3•tosh•13m ago•0 comments

Neomacs: GPU-accelerated Emacs with inline video, WebKit, and terminal via wgpu

https://github.com/eval-exec/neomacs
1•evalexec•18m ago•0 comments

Show HN: Moli P2P – An ephemeral, serverless image gallery (Rust and WebRTC)

https://moli-green.is/
2•ShinyaKoyano•22m ago•1 comments

How I grow my X presence?

https://www.reddit.com/r/GrowthHacking/s/UEc8pAl61b
2•m00dy•23m ago•0 comments

What's the cost of the most expensive Super Bowl ad slot?

https://ballparkguess.com/?id=5b98b1d3-5887-47b9-8a92-43be2ced674b
1•bkls•24m ago•0 comments

What if you just did a startup instead?

https://alexaraki.substack.com/p/what-if-you-just-did-a-startup
3•okaywriting•31m ago•0 comments

Hacking up your own shell completion (2020)

https://www.feltrac.co/environment/2020/01/18/build-your-own-shell-completion.html
2•todsacerdoti•34m ago•0 comments

Show HN: Gorse 0.5 – Open-source recommender system with visual workflow editor

https://github.com/gorse-io/gorse
1•zhenghaoz•34m ago•0 comments

GLM-OCR: Accurate × Fast × Comprehensive

https://github.com/zai-org/GLM-OCR
1•ms7892•35m ago•0 comments

Local Agent Bench: Test 11 small LLMs on tool-calling judgment, on CPU, no GPU

https://github.com/MikeVeerman/tool-calling-benchmark
1•MikeVeerman•36m ago•0 comments

Show HN: AboutMyProject – A public log for developer proof-of-work

https://aboutmyproject.com/
1•Raiplus•36m ago•0 comments

Expertise, AI and Work of Future [video]

https://www.youtube.com/watch?v=wsxWl9iT1XU
1•indiantinker•37m ago•0 comments

So Long to Cheap Books You Could Fit in Your Pocket

https://www.nytimes.com/2026/02/06/books/mass-market-paperback-books.html
3•pseudolus•37m ago•1 comments

PID Controller

https://en.wikipedia.org/wiki/Proportional%E2%80%93integral%E2%80%93derivative_controller
1•tosh•41m ago•0 comments

SpaceX Rocket Generates 100GW of Power, or 20% of US Electricity

https://twitter.com/AlecStapp/status/2019932764515234159
2•bkls•42m ago•0 comments

Kubernetes MCP Server

https://github.com/yindia/rootcause
1•yindia•43m ago•0 comments

I Built a Movie Recommendation Agent to Solve Movie Nights with My Wife

https://rokn.io/posts/building-movie-recommendation-agent
4•roknovosel•43m ago•0 comments

What were the first animals? The fierce sponge–jelly battle that just won't end

https://www.nature.com/articles/d41586-026-00238-z
2•beardyw•51m ago•0 comments

Sidestepping Evaluation Awareness and Anticipating Misalignment

https://alignment.openai.com/prod-evals/
1•taubek•51m ago•0 comments

OldMapsOnline

https://www.oldmapsonline.org/en
2•surprisetalk•54m ago•0 comments

What It's Like to Be a Worm

https://www.asimov.press/p/sentience
2•surprisetalk•54m ago•0 comments
Open in hackernews

The old Caveman Chemistry website (1996-2000)

https://cavemanchemistry.com/oldcave/
85•marcodiego•6mo ago

Comments

ludicrousdispla•6mo ago
From the Stone Tools project page...

>> If you have ever seen the fracture which results when a BB hits a glass window, you have seen the conchoidal fracture.

mock-possum•6mo ago
Wow the instructor sounds extra, but this would’ve been a great course to go through in a summer as a kid. It’d be fun to audit as an adult really.
mrKola•6mo ago
How is it that the new website is uglier than the old one?
quibono•6mo ago
I think chemistry is one of those subjects that should be the easiest to teach in a captivating way and yet most school/university level treatments tend to be quite dry. I imagine most of this is due to cost, safety and effort required but one can dream.
pstuart•6mo ago
A chemist once told me the two paths that bring people into chemistry are learning how to blow shit up and how to get high.

But yes, regardless of those two it should be easy to frame it as a magical adventure.

le-mark•6mo ago
I always thought breaking bad should have brought a lot of people into chemistry, but I’ve never seen stats that support that.
edwardbernays•6mo ago
I'm one.
devilbunny•6mo ago
I was a chemistry major. This is basically true.

There was one guy in my class that we all pegged as a recreational pharmacologist within the first week or two of freshman year. He's a good chemist; if he offered me something, I'd trust that it was both pure and exactly what he said it was.

eszed•6mo ago
My chemistry professor was one of those - though he was a professional unlicensed pharmacologist, if you take my meaning. He found (literal) religion, and went on to graduate school. I wish he'd told more stories; his classes were deadly dull.
devilbunny•6mo ago
Apparently he managed to tell you he had been a drug dealer, so at least one class wasn’t awful?
eszed•6mo ago
Heh. I only knew that because my uncle had gone to high school with him - not from anything he ever said! I gathered he let slip some things to chem majors (which I wasn't) in upper division classes, but not much. He was very religious, and I think pretty ashamed of his past.
riffraff•6mo ago
I heard from reputable sources that modern "little chemist" kits[0] have become quite boring, mostly for safety reasons (there's some nice single-use kits like Mel science but that's different).

Still, looks like you can still make a bunch of fun experiments in school? I've tried to engage my kids in some simple experiments (ph identification with cabbage, showing how bones can become brittle or rubbery depending on which components you remove, the classic soda&vinegar experiments etc).

University level treatment, dunno, seems like it should be fun but I had one chemistry class and balancing reductions is not that entertaining and that's most of it.

[0] I'm not sure of the actual English name, I mean those kits with a dozen things to combine, a becher, a Bunsen burner etc.

AngryData•6mo ago
Well that and both government and businesses don't make a lot of amateur chemistry that easy. Many chemicals have to either be bought second hand out of someone's bulk purchase for a licensed lab, extracted out of consumer products, or bought off shady amazon dealers at massive markups with uncertain purity standards. God forbid somebody finds you doing random experiments suspicious and calls the cops or something who are going to automatically assume you are being bad or dangerous or making meth.
JKCalhoun•6mo ago
Tried a few links and found them broken.

For example, Dunn's book on soap making. Nonetheless, Googled it:

https://www.amazon.com/Scientific-Soapmaking-Chemistry-Cold-...

The lead me to his Caveman Chemistry book on Amazon as well:

https://www.amazon.com/Caveman-Chemistry-Projects-Creation-P...

globalnode•6mo ago
The batteries page states "Current is defined as the rate at which electrons flow from anode to cathode" but is that true? Don't the electrons flow towards the anode?
globalnode•6mo ago
I've come back to report that after researching this, Electrons do flow from cathode to anode. Conventional current goes the other way if you're measuring ion (hole) flow in redox reactions for example. But I'm reasonably sure the electrons go the way I described.