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RFCs vs. READMEs: The Evolution of Protocols

https://h3manth.com/scribe/rfcs-vs-readmes/
1•init0•46s ago•1 comments

Kanchipuram Saris and Thinking Machines

https://altermag.com/articles/kanchipuram-saris-and-thinking-machines
1•trojanalert•48s ago•0 comments

Chinese chemical supplier causes global baby formula recall

https://www.reuters.com/business/healthcare-pharmaceuticals/nestle-widens-french-infant-formula-r...
1•fkdk•3m ago•0 comments

I've used AI to write 100% of my code for a year as an engineer

https://old.reddit.com/r/ClaudeCode/comments/1qxvobt/ive_used_ai_to_write_100_of_my_code_for_1_ye...
1•ukuina•5m ago•1 comments

Looking for 4 Autistic Co-Founders for AI Startup (Equity-Based)

1•au-ai-aisl•16m ago•1 comments

AI-native capabilities, a new API Catalog, and updated plans and pricing

https://blog.postman.com/new-capabilities-march-2026/
1•thunderbong•16m ago•0 comments

What changed in tech from 2010 to 2020?

https://www.tedsanders.com/what-changed-in-tech-from-2010-to-2020/
2•endorphine•21m ago•0 comments

From Human Ergonomics to Agent Ergonomics

https://wesmckinney.com/blog/agent-ergonomics/
1•Anon84•25m ago•0 comments

Advanced Inertial Reference Sphere

https://en.wikipedia.org/wiki/Advanced_Inertial_Reference_Sphere
1•cyanf•26m ago•0 comments

Toyota Developing a Console-Grade, Open-Source Game Engine with Flutter and Dart

https://www.phoronix.com/news/Fluorite-Toyota-Game-Engine
1•computer23•28m ago•0 comments

Typing for Love or Money: The Hidden Labor Behind Modern Literary Masterpieces

https://publicdomainreview.org/essay/typing-for-love-or-money/
1•prismatic•29m ago•0 comments

Show HN: A longitudinal health record built from fragmented medical data

https://myaether.live
1•takmak007•32m ago•0 comments

CoreWeave's $30B Bet on GPU Market Infrastructure

https://davefriedman.substack.com/p/coreweaves-30-billion-bet-on-gpu
1•gmays•43m ago•0 comments

Creating and Hosting a Static Website on Cloudflare for Free

https://benjaminsmallwood.com/blog/creating-and-hosting-a-static-website-on-cloudflare-for-free/
1•bensmallwood•49m ago•1 comments

"The Stanford scam proves America is becoming a nation of grifters"

https://www.thetimes.com/us/news-today/article/students-stanford-grifters-ivy-league-w2g5z768z
2•cwwc•53m ago•0 comments

Elon Musk on Space GPUs, AI, Optimus, and His Manufacturing Method

https://cheekypint.substack.com/p/elon-musk-on-space-gpus-ai-optimus
2•simonebrunozzi•1h ago•0 comments

X (Twitter) is back with a new X API Pay-Per-Use model

https://developer.x.com/
3•eeko_systems•1h ago•0 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
3•neogoose•1h ago•1 comments

Show HN: Deterministic signal triangulation using a fixed .72% variance constant

https://github.com/mabrucker85-prog/Project_Lance_Core
2•mav5431•1h ago•1 comments

Scientists Discover Levitating Time Crystals You Can Hold, Defy Newton’s 3rd Law

https://phys.org/news/2026-02-scientists-levitating-crystals.html
3•sizzle•1h ago•0 comments

When Michelangelo Met Titian

https://www.wsj.com/arts-culture/books/michelangelo-titian-review-the-renaissances-odd-couple-e34...
1•keiferski•1h ago•0 comments

Solving NYT Pips with DLX

https://github.com/DonoG/NYTPips4Processing
1•impossiblecode•1h ago•1 comments

Baldur's Gate to be turned into TV series – without the game's developers

https://www.bbc.com/news/articles/c24g457y534o
3•vunderba•1h ago•0 comments

Interview with 'Just use a VPS' bro (OpenClaw version) [video]

https://www.youtube.com/watch?v=40SnEd1RWUU
2•dangtony98•1h ago•0 comments

EchoJEPA: Latent Predictive Foundation Model for Echocardiography

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

Disablling Go Telemetry

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

Effective Nihilism

https://www.effectivenihilism.org/
1•abetusk•1h 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...
5•pabs3•1h 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...
3•pabs3•1h ago•0 comments

Seedance 2.0 Is Coming

https://seedance-2.app/
1•Jenny249•1h ago•0 comments
Open in hackernews

Show HN: Mycelium

https://github.com/mycweb/mycelium
40•brendoncarroll•9mo ago

Comments

eterps•8mo ago
I'm curious to learn more about this.
rapnie•8mo ago
> Mycelium is a set of typed formats for storing and transferring data. As you might expect it supports things like

I did not expect that, as I am not in your world. Your project would benefit with a better description and context on what this is about and what the use cases are.

hn_throwaway_99•8mo ago
Very much agree. From the readme it sounds like there is a lot to this project, but I had a lot of trouble understanding why/where I would use this in the first place, or how it could improve on existing technologies.
jstanley•8mo ago
It sounds to me like it's the same sort of thing as protobuf.
brendoncarroll•8mo ago
The serialization format solves a similar problem to Protocol Buffers or JSON. If you haven't heard of either of those, then Mycelium might not solve a problem that you care about. Just after your quote the README mentions things like Products and Lists which both Protocol Buffers and JSON have support for in the form of Messages/Repeated and Objects/Lists respectively.

Mycelium has some interesting design choices compared to JSON and Protocol Buffers. Everything is built up from Bits, there is a Bit type which contains the values 0 and 1. Bytes are `Array[Bit, 8]` and Strings are `List[Byte]`. A 32 bit integer would be `Array[Bit, 32]`. There are also Sum (Coproduct) types, and cryptographic pointer types (called Refs in Mycelium).

Mycelium can be used to solve the same problems as those technologies. That's sort of table stakes for a serialization format. Mycelium additionally tackles the problem of sending procedures (called Lambdas in Mycelium) over the wire as well. That is a fairly simple feature to explain (get my procedure from here to there, it works with strings why not functions?), but it implies a significant amount of technology including a machine code specification and abstract machine model to execute it.

As for practical applications. Mycelium is suitable to be used as:

- A serialization format for storage and transfer.

- A VM with well controlled access to external resources for applications to run untrusted code.

- The VM can be a compiler target for programming languages. (Spore https://github.com/mycweb/mycelium/tree/master/spore is one such language)

- A format for data structures which need to be cryptographically signed. All Mycelium data structures are Merkle Trees.

- Large data structures which need to be efficiently synced. All Mycelium Values can be synced efficiently by traversing the cryptographic pointers and skipping values which are already available locally.

idle_zealot•8mo ago
Sounds neat. I'd love to see some example applications that use the P2P messaging layer.
badmonster•8mo ago
this is cool How does the MVM avoid paradoxes with Types as Values and Expressions as Values?

having been work with both json and pb, and i'd say pb is pretty solid.

how is this better than PB?

brendoncarroll•8mo ago
I'm not sure which paradoxes you are referring to. Type systems are used for a lot of things, in Mycelium a Type is an encoding strategy for it's Values. And just like I could explain the encoding strategy to you in text, the Type can be stored as bits representing that strategy, so a machine can read the Type and know how to decode Values using the strategy. Eventually this ends with predefined constants at the Type of a Type of a Value level, so there's a fixed point instead of an infinity.