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What we learned making a plastic injection mold with a Chinese mold maker
What AirGradient learned while making a plastic injection mold in China, from DFM and tooling quotes to samples, revisions, and production risk.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 31,671 posts.
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Inkscape Moves to GitLab
The Inkscape project has completed its planned move from launchpad using the bazaar repository system, to GitLab using the git repository system.
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Major nuclear fusion milestone reached as ‘ignition’ triggered in a lab
Ignition is a key process that amplifies the energy output from nuclear fusion and could provide clean energy and answer some huge physics questions.
2616
The Final Speech from The Great Dictator (1940)
I’m sorry, but I don’t want to be an emperor. That’s not my business. I don’t want to rule or conquer anyone. I should like to help everyone - if possible - Jew, Gentile - black man - white. We all want to help one another. Human beings are like that. We want to live by each other’s happiness - not by each other’s…
2617
Hum to Search Song
Google Search helps you find the melody that’s stuck in your head with machine learning technology.
2618
90 Cents of Every 'Pay-For-Performance' Dollar for CEOs Are Paid for Luck
Harvard Law School Forum on Corporate Governance2016524 points285 commentsTech Industry & Business details
Read our latest post from Moshe Levy (Jerusalem School of Business Administration) at
2619
Job interview questions engineers should ask, but don't
Since we started PostHog, our team has interviewed 725 people. What's one thing I've taken from this? It's normal for candidates not to ask harder…
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AGENTS.md outperforms skills in our agent evals
A compressed 8KB docs index in AGENTS.md achieved 100% on Next.js 16 API evals. Skills maxed at 79%. Here's what we learned and how to set it up.
2622
An Introduction to Meshtastic
Discover Meshtastic: a community-driven, open-source project using LoRa radios for long-range, off-grid communication.
2623
Amazon S3 Adds Put-If-Match (Compare-and-Swap)
Discover more about what's new at AWS with Amazon S3 adds new functionality for conditional writes
2624
Box3D, an open source 3D physics engine
I’m happy to announce the release of Box3D, an open source 3D physics engine. It is now available on GitHub. Box3D repository You can think of Box3D as a fork of Box2D, extended with many features needed for 3D games. Some additions: Triangle mesh collision Height-field collision Baked compound collision The core…
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Render mathematical expressions in Markdown On GitHub
You can now use LaTeX style syntax to render math expressions within Markdown inline (using $ delimiters) or in blocks (using $$ delimiters). Writing expressions as blocks To add math…
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Who needs Graphviz when you can build it yourself?
Exploring a new layout algorithm for control flow graphs.
2627
iPhone Pocket
ISSEY MIYAKE and Apple today unveiled iPhone Pocket, designed to fit any iPhone as well as all pocketable items.
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Google fined €150M, Facebook €60M for for non-compliance with French legislation
This page is no longer available. Order to comply or sanctions issued by the CNIL may be made public. In this case, a time limit shall be specified in the decision. Once this time period has expired, the organisations that have been given formal notice or sanctioned are no longer identified in the public decision. For…
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We fell out of love with Next.js and back in love with Ruby on Rails
A look at how and why we migrated from Next.js to Ruby on Rails.
2630
Temptation of the Apple: Dolphin on macOS M1
From the announcement made on November 10th, 2020, users have had high hopes for the new Apple M1 devices. With its powerful Apple Silicon processor smashing benchmarks all over the place, users and developers were both asking if a native Dolphin build would be possible. Now we have the answer. Apple's M1 hardware is…
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We replaced H.264 streaming with JPEG screenshots (and it worked better)
Or: How JPEG Screenshots Defeated Our Beautiful H.264 WebCodecs Pipeline
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The startup's Postgres survival guide
A guide to preventing Postgres from toppling over.
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New F-Droid repository format for faster and smaller updates
We just released version 1.16 of the official F-Droid client app for Android which includes many radical changes under the hood as well as many bug fixes for...
2634
You Only Need to Test with 5 Users (2000)
Elaborate usability tests are a waste of resources. The best results come from testing no more than 5 users and running as many small tests as you can afford.
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AI is not a coworker, it's an exoskeleton
Companies that treat AI as an autonomous agent are disappointed. Those that treat it as an exoskeleton—an amplifier of human capability—are seeing…
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EU-banned pesticides found in rice, tea and spices
foodwatch laboratory tests reveal the presence of pesticide residues in everyday foods — including substances not approved in the EU.
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Less is safer: Reducing the risk of supply chain attacks
Supply chain attacks are malicious updates that sneak into open source code used by many apps. Here’s how we design Obsidian to ensure that the app is a secure and private environment for your thoughts.
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GPT Image 1.5
This 2025 launch introduced a faster ChatGPT Images experience and GPT‑Image‑1.5 in the API. Explore the latest ChatGPT Images 2.5.
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Servo Nightly Builds Available
Try out the new Servo nightly builds