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45°C cooling design cuts data center water use to near zero
NVIDIA’s latest AI servers can run on coolant warmer than a hot tub — and that counterintuitive choice is one of the biggest efficiency leaps in data center history.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 80,826 posts.
7322
CT scans of BYD car parts
BYD sold 4.6M vehicles in 2025, but Americans can't buy one. We CT scanned four components from its lineup to reveal what vertical integration looks like at the part level.
7323
IBM completes acquisition of HashiCorp
IBM announced it has completed its acquisition of HashiCorp, whose products automate and secure the infrastructure that underpins hybrid cloud applications and generative AI.
7324
Settings are not a design failure
The systematic thinking in our industry is that settings are the result of design failure. As designers, our goal is to create product experiences that don’t require any adjustment by the user. So offering customization options is often seen as a failure to make firm product decisions. I think there is a…
7325
I'm a former Miso engineer and the founders screwed me out of 10k
UPDATE 2: There's a few things I want to clear up here about certain assumptions made about what exactly happened. Prior to the database...
7326
A thousand fewer paths to root
OpenAI built an autonomous pipeline that found, validated, and generated patches for 948 local privilege-escalation vulnerabilities in the Linux kernel.
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The Idea of Lisp
How a programming language can be an idea.
7329
I Can't Do Anything for Fun Anymore; Every Hobby Is an Attempt to Make Money
I have hit the point where I can't do anything for fun anymore. Every hobby is not an attempt to make some extra money or turn it into profit.
7330
Firefox 85
We'd like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox.
7331
A Teenager’s View on Social Media
Written by an actual teen
7332
Ad Fraud on LinkedIn
LinkedIn Ads are awash in mistaken clicks and bot traffic that make the platform's value extremely dubious, according to a new study from RMG.
7333
Okay, I Like WezTerm
A guide to configuring WezTerm using its Lua API. Focuses on appearance, keybindings, multiplexing, workspace navigation, and status bar (powerline) setup.
7334
Second-Order Thinking
Second-order thinking is a mental model that smart people like Warren Buffett & Howard Marks use to avoid problems. Read this article to learn how it works.
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The Document Culture of Amazon
A look at Amazon's culture of writing and reading
7337
I don't like NumPy
it’s too hard
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Lessons I learned working at an art gallery
1. It is possible to turn a mediocre job into a great one
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The best $4 ever spent
Kids get excited about things that are very different from those of adults. You probably remember your kid's first birthday...
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Learning DNS in 10 Years
New talk: Learning DNS in 10 years
7344
Saving another 100TB of RAM
Cloudflare's global network is immense but not limitless. As we look for small ways to trim our resource usage, we sometimes get lucky and we can cut significantly more. Here’s how we reduced one of our Pingora-based service's RAM usage with statistics.
7345
Mistral's Robostral Navigate: a state of the art robotics navigation model
Introducing Robostral Navigate: 8B model achieving 76.6% on R2R-CE with just a single RGB camera. No depth sensors, LiDAR, or multiple cameras needed.
7346
Inappropriate Uses of Google Trends
Alternatively titled ‘Be aware of context, and maybe start using Google AdWords’ Instead
7347
The Beam Engine
See how a beam engine works through interactive 3D figures exploring steam, pressure, Watt's condenser, valves, linkages, and the governor.
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Image diffing using CSS
Since the last post [http://franklinta.com/2014/09/08/computing-css-matrix3d-transforms/] on CSS was popular here is another simple CSS trick that I found useful in the past. Let’s say we want to find the difference between these two images: You can do this by simply inverting the colors and then stacking them…
7350
I don't care how well your "AI" works
The other day I was sitting on the doorstep of a hackerspace, eating a falafel sandwich while listening to the conversation inside. The topic shifted to the use of “AI” for everyday tasks, people casually started elaborating on how they use “chat assistants” to let them write pieces of code or annoying emails. The…