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Announcing three new discoveries in mathematics, computer science, and physics

https://openai.com/index/building-scientific-understanding-with-academic-communities/
451•jonluca•4h ago•169 comments

The Exponential Time Hypothesis Is False [pdf]

https://github.com/openai/math/blob/main/preprints/The-Exponential-Time-Hypothesis-is-False-Octob...
276•vok•3h ago•108 comments

Sebastian Raschka's from-scratch video course on building reasoning models

https://magazine.sebastianraschka.com/p/building-reasoning-models
556•sgiannopoulos•10h ago•81 comments

Cross-request KV cache exposure in the GLM-5.3 Workers AI model (155 responses)

https://blog.cloudflare.com/kv-cache-exposure-remediation/
69•wondersky•3h ago•13 comments

Oldest GUI application that still runs on Windows 11

https://blog.enlyth.com/posts/oldest-windows-gui-app-win-11/
290•enlyth•7h ago•183 comments

Type Server Protocol

https://github.com/microsoft/pylance-release/blob/main/docs/tsp/type-server-protocol.md
193•adamnemecek•7h ago•139 comments

A Printer Printing onto Paper

https://twitter.com/macrofying/status/2112904628509528219
60•MrBuddyCasino•3d ago•15 comments

CSS-Tricks has a new owner

https://css-tricks.com/css-tricks-has-a-new-owner/
380•edent•9h ago•90 comments

16-bit Windows (Windows 1.x, 2.x, 3.0, 3.1, etc.) on 64-bit Windows

https://github.com/otya128/winevdm
8•doener•32m ago•1 comments

Is PHP Running on Your ColdFusion Server? How to Check, and Remove It

https://www.gregoryalexander.com/blog/2026/10/23/is-php-quietly-running-on-your-coldfusion-server...
21•rmason•3h ago•14 comments

LISPy things you can do in 64K bytes of core (2019)

https://t3x.org/lisp64k/index.html
23•andsoitis•1d ago•1 comments

Nietzschian Debugger

https://github.com/DilawarShafiq/nietzschian-debugger
130•dilawargopang•8h ago•41 comments

GPT-6.1 Terra

https://openai.com/index/introducing-gpt-6-1-terra/
500•meetpateltech•7h ago•318 comments

Solar power is becoming bigger than nuclear

https://www.bbc.com/future/article/20261023-how-solar-became-bigger-than-nuclear
134•geox•10h ago•233 comments

Anthropic S-1

https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm
1479•SiNTEx•12h ago•1448 comments

A Man from the Future: Why Johnny Can't Stop Abstracting

http://muratbuffalo.blogspot.com/2026/10/the-man-from-future-why-johnny-cant.html
117•aray07•7h ago•60 comments

Virtual and Real World Combine at LAN Party (1998)

https://www.latimes.com/archives/la-xpm-1998-aug-10-mn-11870-story.html
5•npunt•2d ago•0 comments

New iPad mini

https://www.apple.com/newsroom/2026/10/apple-gives-ipad-mini-its-biggest-update-ever/
134•soheilpro•12h ago•386 comments

Show HN: Hob - Open-source, on device alternative to Claude Cowork and ChatGPT

https://github.com/FrigadeHQ/hob
116•pancomplex•9h ago•28 comments

SIMD-accelerated computer vision on a $2 microcontroller

https://shraiwi.com/blog/simd-fast-esp32s3/
173•zdw•1d ago•54 comments

Microsoft offers mass buyouts for roughly a quarter of its workforce

https://www.seattletimes.com/business/microsoft/microsoft-offers-mass-buyouts-for-roughly-a-quart...
763•doctorzook•10h ago•675 comments

Blaise Pascal invented fixed route public transport (2024)

https://humantransit.org/2024/12/one-of-the-greatest-inventions-in-the-history-of-human-transport...
262•skadamat•4d ago•136 comments

Diamond Transistor

https://www.df.com/diamond-transistor
125•Gravityloss•3d ago•66 comments

Websites Should Be Printable

https://brennenputh.me/blog/printable-websites/
269•bagatelle•15h ago•177 comments

Pharo 14

https://pharo.org/news/2026-10-26-Pharo14Release.html
239•xkriva11•14h ago•64 comments

Sigma Says the Compact, Modular FP2 Is the Ultimate Hybrid Camera

https://petapixel.com/2026/10/22/sigma-says-the-compact-modular-fp2-is-the-ultimate-hybrid-camera/
43•thm•3d ago•58 comments

Native Prometheus Integration with Nginx

https://categorica.io/blog/2026.10.16_nginx-stats-prometheus/
33•foxhill•3d ago•9 comments

The EPA Is Quietly Killing Its Web Archive

https://www.motherjones.com/environment/2026/10/epa-online-archive-deletion-zeldin-camp-lejeune-t...
242•robtherobber•6h ago•44 comments

Fixing Tool-Call Accuracy in vLLM

https://www.ubicloud.com/blog/fixing-tool-call-accuracy-in-vllm
145•coffeemug•12h ago•64 comments

In Context [video]

https://www.youtube.com/watch?v=P5eO7BNyJao
9•adityaathalye•3d ago•0 comments
Open in hackernews

OpenTelemetry protocol with Apache Arrow

https://opentelemetry.io/blog/2025/otel-arrow-phase-2/
108•tanelpoder•1y ago

Comments

andygrove•1y ago
I've just started exploring adding OpenTelemetry support to the Comet subproject of DataFusion. I'm excited to see the integration with Apache Arrow (Rust) and potentially DataFusion in the future.
SomaticPirate•1y ago
Wow, anyone able to provide a ELI5? OTel sounds amazing but this is flying over my head
theLiminator•1y ago
Not sure, but seems like it will be producing apache arrow data and carrying it across the data stack end to end from OTEL. This would be great for creating data without a bunch of duplication/redundant processing steps and exporting it in a form that's ready to query.
piterrro•1y ago
Unless I dont understand that fully (which could be the case).

This idea could fly if downstream readers will be able to read it. Json is great because anything can read it, process, transform and serialize without having to know the intrisics of the protocol.

Whats the point of using binary, columnar format for data in transit?

arccy•1y ago
better compression https://opentelemetry.io/blog/2023/otel-arrow/

You don't do high performance without knowing the data schema.

odie5533•1y ago
Is Arrow better than Parquet or Protobuf?
theLiminator•1y ago
Arrow is an in-memory columnar format, kinda orthogonal to parquet (which is an at-rest format). Protobuf is a better comparison, but it's more message oriented and not suited for analytics.
arccy•1y ago
the blog post comparison is against OTLP which is protobuf
datadrivenangel•1y ago
Not having to write to disk is great, and zero-copy in memory access is instant...
phillipcarter•1y ago
Warning: this is an oversimplification.

Performance optimization and being able to "plug in" to the data ecosystem that Apache Arrow exists in.

OpenTelemetry is pretty great for a lot of uses, but the protocol over the wire is too chunky for some applications where. From last year's post on the topic[0]:

> In a side-by-side comparison between OpenTelemetry Protocol (“OTLP”) and OpenTelemetry Protocol with Apache Arrow for similarly configured traces pipelines, we observe 30% improvement in compression. Although this study specifically focused on traces data, we have observed results for logs and metrics signals in production settings too, where OTel-Arrow users can expect 50% to 70% improvement relative to OTLP for similar pipeline configurations.

For your average set of apps and services running in a k8s cluster somewhere in the cloud, this is just a nice-to-have, but size on wire is a problem for a lot of systems out there today, and they are precluded from adopting OpenTelemetry until that's solved.

[0]: https://opentelemetry.io/blog/2024/otel-arrow-production/

potamic•1y ago
This diagram really depicts things nicely

https://opentelemetry.io/blog/2023/otel-arrow/row-vs-columna...

ahoka•1y ago
A bit hand wavy.
KAdot•1y ago
> We are interested in making OTAP pipelines safely embeddable, through strict controls on memory and through support for thread-per-core runtimes.

I'm curious about the thread-per-core runtimes, are there even any mature thread-per-core runtimes in Rust around?

jauntywundrkind•1y ago
glommio is pretty well respected. https://www.datadoghq.com/blog/engineering/introducing-glomm... https://github.com/DataDog/glommio

ByteDance also has their very fast monio. https://github.com/bytedance/monoio

Both integrate io-uring support for very fast io.

julian-datable•1y ago
Integrations with OTLP are critical to driving adoption and probably one of the biggest pain points we've encountered when adopting it ourselves (and encouraging others to the same).

Adopting OTLP without third-party support is pretty time consuming, especially is your tech stack is large and/or varied.

Re runtimes: curious about this too. Feels like the right direction if you’re optimizing a telemetry pipeline.

akdor1154•1y ago
Damn that's some scope creep if I ever saw it: 'try sending Arrow frames end to end' => 'rewrite the otel pipeline in rust'. Seems like the goals of the contributors don't exactly align with the goals of the project.

Kind of a bummer - one thing i was hoping to come out of this was better Arrow ecosystem support for golang.

gitroom•1y ago
Man Ive dipped my toes into this too, and yeah, the way everyone wants different things always shakes things up fast. Kinda love seeing where it all ends up tbh.
mike_heffner•1y ago
Thanks for sharing this — it’s a really promising direction. The advantages of Arrow for OTLP, especially when used end-to-end, are compelling given the protocol overhead of OTLP.

We’ve been thinking along similar lines with the use of Rust, particularly for OpenTelemetry collection in environments where high performance and low resource overhead are critical, such as edge and serverless. With that in mind, we’ve open-sourced a lightweight OpenTelemetry collector written in Rust to address these use cases. We’ve also developed a native Lambda extension around it, and have seen encouraging interest from folks aiming to improve cold start times.

The project is still fairly early, but we’re optimistic that Rust can open up new opportunities for efficient observability pipelines. Vendors like Datadog are also moving in this direction with their Lambda extension and appear to be adopting Rust more broadly for data-plane components.

If this resonates, feel free to take a look here: https://github.com/streamfold/rotel. We’d love to hear your thoughts on how this could be useful.