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EchoJEPA: Latent Predictive Foundation Model for Echocardiography

https://github.com/bowang-lab/EchoJEPA
1•euvin•8m ago•0 comments

Disablling Go Telemetry

https://go.dev/doc/telemetry
1•1vuio0pswjnm7•9m ago•0 comments

Effective Nihilism

https://www.effectivenihilism.org/
1•abetusk•12m ago•1 comments

The UK government didn't want you to see this report on ecosystem collapse

https://www.theguardian.com/commentisfree/2026/jan/27/uk-government-report-ecosystem-collapse-foi...
2•pabs3•14m ago•0 comments

No 10 blocks report on impact of rainforest collapse on food prices

https://www.thetimes.com/uk/environment/article/no-10-blocks-report-on-impact-of-rainforest-colla...
1•pabs3•15m ago•0 comments

Seedance 2.0 Is Coming

https://seedance-2.app/
1•Jenny249•16m ago•0 comments

Show HN: Fitspire – a simple 5-minute workout app for busy people (iOS)

https://apps.apple.com/us/app/fitspire-5-minute-workout/id6758784938
1•devavinoth12•16m ago•0 comments

Dexterous robotic hands: 2009 – 2014 – 2025

https://old.reddit.com/r/robotics/comments/1qp7z15/dexterous_robotic_hands_2009_2014_2025/
1•gmays•21m ago•0 comments

Interop 2025: A Year of Convergence

https://webkit.org/blog/17808/interop-2025-review/
1•ksec•30m ago•1 comments

JobArena – Human Intuition vs. Artificial Intelligence

https://www.jobarena.ai/
1•84634E1A607A•34m ago•0 comments

Concept Artists Say Generative AI References Only Make Their Jobs Harder

https://thisweekinvideogames.com/feature/concept-artists-in-games-say-generative-ai-references-on...
1•KittenInABox•38m ago•0 comments

Show HN: PaySentry – Open-source control plane for AI agent payments

https://github.com/mkmkkkkk/paysentry
1•mkyang•40m ago•0 comments

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

https://moli-green.is/
1•ShinyaKoyano•49m ago•0 comments

The Crumbling Workflow Moat: Aggregation Theory's Final Chapter

https://twitter.com/nicbstme/status/2019149771706102022
1•SubiculumCode•54m ago•0 comments

Pax Historia – User and AI powered gaming platform

https://www.ycombinator.com/launches/PMu-pax-historia-user-ai-powered-gaming-platform
2•Osiris30•54m ago•0 comments

Show HN: I built a RAG engine to search Singaporean laws

https://github.com/adityaprasad-sudo/Explore-Singapore
2•ambitious_potat•1h ago•0 comments

Scams, Fraud, and Fake Apps: How to Protect Your Money in a Mobile-First Economy

https://blog.afrowallet.co/en_GB/tiers-app/scams-fraud-and-fake-apps-in-africa
1•jonatask•1h ago•0 comments

Porting Doom to My WebAssembly VM

https://irreducible.io/blog/porting-doom-to-wasm/
2•irreducible•1h ago•0 comments

Cognitive Style and Visual Attention in Multimodal Museum Exhibitions

https://www.mdpi.com/2075-5309/15/16/2968
1•rbanffy•1h ago•0 comments

Full-Blown Cross-Assembler in a Bash Script

https://hackaday.com/2026/02/06/full-blown-cross-assembler-in-a-bash-script/
1•grajmanu•1h ago•0 comments

Logic Puzzles: Why the Liar Is the Helpful One

https://blog.szczepan.org/blog/knights-and-knaves/
1•wasabi991011•1h ago•0 comments

Optical Combs Help Radio Telescopes Work Together

https://hackaday.com/2026/02/03/optical-combs-help-radio-telescopes-work-together/
2•toomuchtodo•1h ago•1 comments

Show HN: Myanon – fast, deterministic MySQL dump anonymizer

https://github.com/ppomes/myanon
1•pierrepomes•1h ago•0 comments

The Tao of Programming

http://www.canonical.org/~kragen/tao-of-programming.html
2•alexjplant•1h ago•0 comments

Forcing Rust: How Big Tech Lobbied the Government into a Language Mandate

https://medium.com/@ognian.milanov/forcing-rust-how-big-tech-lobbied-the-government-into-a-langua...
4•akagusu•1h ago•1 comments

PanelBench: We evaluated Cursor's Visual Editor on 89 test cases. 43 fail

https://www.tryinspector.com/blog/code-first-design-tools
2•quentinrl•1h ago•2 comments

Can You Draw Every Flag in PowerPoint? (Part 2) [video]

https://www.youtube.com/watch?v=BztF7MODsKI
1•fgclue•1h ago•0 comments

Show HN: MCP-baepsae – MCP server for iOS Simulator automation

https://github.com/oozoofrog/mcp-baepsae
1•oozoofrog•1h ago•0 comments

Make Trust Irrelevant: A Gamer's Take on Agentic AI Safety

https://github.com/Deso-PK/make-trust-irrelevant
9•DesoPK•1h ago•4 comments

Show HN: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
1•rs545837•1h ago•1 comments
Open in hackernews

Preserving Snow Crystals

https://www.its.caltech.edu/~atomic/snowcrystals/preserve/preserve.htm
60•jameslk•2mo ago

Comments

reader9274•2mo ago
"Leave the slide outside or in your freezer for a week or two until the glue hardens."

A week or two? That's a huge margin there

Ferret7446•2mo ago
Glues tend to slow down and become somewhat unreliable at low temps (in terms of setting), so that margin might be realistic. It beats freezing it indefinitely so I don't think there's any value to determining a more concrete range
pfdietz•2mo ago
Just yesterday I was watching a video from someone trying to make Formvar. It can make very thin layers that are transparent to electrons in an electron microscope. He needed to make 1,4-dioxane first, the solvent needed in its synthesis and apparently difficult to obtain from suppliers.
moron4hire•2mo ago
> It is possible to preserve newly fallen snow crystals, creating one's own snow crystal fossils.

Nitpick, but fossils are specifically records of life. Footprints left in petrified mud can be fossils. But a snowflake isn't alive, so a preserved snowflake can never be a fossil.

yial•2mo ago
What would be the correct word? Specimen?

An ichnofossil is the fossil of activity of a living thing.

But specimen seems like it might work as long as you’re not using wet / embalmed with it.

Vitrification maybe almost works, but doesn’t seem to really work for a snowflake.

Aquastasis ? (Joking)

Apologies. After reading this I’m now wracking my brain trying to figure out what would be the correct word to apply to creating a /mold/ model / sample of a snowflake.

taneq•2mo ago
Imprint, maybe?
moron4hire•2mo ago
I believe it would just be called a casting or impression, even if it were an ancient object that had been preserved across geological ages.
yial•2mo ago
Thank you! That makes a ton of sense. I somehow couldn’t make that connection mentally.

Now we just need some special rule to make them into fossils… maybe if they’re over 20,000 years old- double the specimen quasi rule.

maxbond•2mo ago
Petrified? Like petrified dunes? Simply preserved?
dr_dshiv•2mo ago
What if the snowflake nucleated around microbes in the air, as is common? [1] Would that be life-like enough, especially as the crystalline structure of the snowflake itself would reflect the microbe.

Or, what if the observer of the snowflake held the philosophical belief that we live in a single living universe, as did the ancient Stoics? [2]

It appears that we have at least two clear instances where preserved snowflakes can indeed be considered fossils.

[1] https://asm.org/articles/2019/january/snow-is-coming-whats-t...

[2] https://modernstoicism.com/modern-stoicism-expert-panel-post...

zeagle•2mo ago
Neat! I travel for work a fair bit and saw a local craft sale in a mostly fly in northern community with this. The lady mentioned using super glue and then transferred into silver and gold jewelry. Success rate did not sound high for individual flakes but I guess the winter is long… try again.
maxbond•2mo ago
I'm not sure which technique they use but this person makes jewelry from snowflakes. They have videos showing their process, where they catch them on a tray and transfer them using a paintbrush to slide covers that are holding some chemical which capture their shape. Eyeballing it I think they're using the Formvar method.

https://www.preservedsnowflake.com/

https://youtube.com/@preservedsnowflakeco

jameslk•2mo ago
Funny enough this person is actually where I stumbled upon the article submitted here. Danielle had linked it in one of the videos in a comment as part of an explanation of how it’s done. The jewelry is a wonderful application of the technique