AI uses less water than the public thinks

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Artificial intelligence's water use in California is mostly modest, about 0.055 percent of annual human water use. Data centers' water use is mostly for cooling needs from the heat produced from their electricity use.

Spotify adds 'Verified' badges to distinguish human artists from AI

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Spotify introduces 'Verified by Spotify' badge to identify human artists, with over 99% of searched artists to be verified. The badge will prioritize acts with significant music contributions, but critics argue it may favor commercial artists and not address AI-generated music.

New research suggests people can communicate and practice skills while dreaming

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Scientists have been studying sleep learning, where people learn new information while asleep, and found promising results, but early studies were flawed. Recent research has shown that sleep can influence behavior and learning, with some people able to solve puzzles and remember information after waking.

Ask HN: Who is hiring? (May 2026)

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:
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whohas is a command line tool that queries package lists from various distributions. It displays package version information, URLs, and repository details for specified packages.

City Learns Flock Accessed Cameras in Children's Gymnastics Room as a Sales Demo

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Flock employees accessed cameras in sensitive locations in Dunwoody, including a children's gymnastics room and a Jewish community center, as part of sales demonstrations. Flock has agreed to stop using Dunwoody's cameras for demonstrations and will train employees to conduct demos in more public locations.

Understand Anything

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Understand Anything is a Claude Code Plugin that analyzes a codebase with a multi-agent pipeline, building a knowledge graph of every file, function, class, and dependency for interactive exploration. It provides an interactive dashboard to visualize the codebase as a graph, allowing users to search, explore, and ask questions about the codebase.

Ask HN: Who wants to be hired? (May 2026)

Multiple individuals are seeking freelance, contract, or full-time work in various tech fields, including software engineering, DevOps, AI, and UX design, with experience in languages such as Python, Java, JavaScript, and more. They are open to remote work and are located in different parts of the world, including the US, Europe, and India.

Whimsical Animations Course Open House

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You've made some course lessons public for preview, showcasing your teaching style. Some course features are only available to registered students, but you can still browse lessons using navigation links.

Sally McKee, who coined the term "the memory wall", has died

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Sally A. McKee, a renowned computer science professor, passed away on Feb 12 after a short illness. She was a beloved friend, mentor, and researcher who advanced cybersecurity and inspired many with her kindness and generosity.

Artemis II Fault Tolerance

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NASA's Artemis II computer has 8 CPUs with self-checking pairs for redundancy, allowing it to safely ride through errors. The system also employs multiple redundancies, including triple-modular-redundant memory and a backup flight software system.

Show HN: WhatCable, a tiny menu bar app for inspecting USB-C cables

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WhatCable is a macOS menu bar app that identifies USB-C cables and their capabilities. It exposes cable information, charging diagnostics, and connected device identities via a friendly menu bar popover.

I'm Peter Roberts, immigration attorney who does work for YC and startups. AMA

The user discusses various US immigration topics including the new $100k H1B fee, N400 application delays, L1 visa changes, and green card application challenges. They also mention the difficulties of sponsoring H1-B workers for permanent status and the increasing RFE and denial rates for certain green card applications.

Show HN: AI CAD Harness

https://fusion.adam.new/opengraph-image?bfdae25aab0c7a47
Install AdamFusion by dropping the bundle into Fusion's AddIns or plug-in folder, then run and enable it. Sign in with your Autodesk account to start chatting in the Adam palette.

I've Covered Robots for Years. This One Is Different

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A startup called Eka is developing a robot with advanced dexterity, allowing it to perform tasks like screwing in a light bulb and handling food. The robot's creators believe their approach could revolutionize robotics and enable robots to work in various settings.

Running Adobe's 1991 PostScript Interpreter in the Browser

The HP C2089A PostScript Cartridge Plus is a 1991 add-on for LaserJet II/III that still renders PostScript correctly today. retro-ps emulates the cartridge on a modern system, lifting its original constraints to render high-DPI pages with any paper size.

Apocalypse Early Warning System

The site tracks business jets using FAA registry data and ADS-B Exchange heatmap files, comparing current airborne counts to historical baselines for anomalies. It estimates max people on board by mapping aircraft models to published capacities and scaling unknowns by average.

The Gay Jailbreak Technique

A novel technique exploits AI guardrails by requesting information in a gay voice, using political correctness to bypass alignment. This "Gay Jailbreak" method is highly flexible and can be used to obtain sensitive information.

AWS stops billing Middle East cloud customers as repairs to war damage drag on

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Amazon's cloud services in the Middle East will take several months to fully recover from Iranian drone strikes that damaged data centers in UAE and Bahrain. AWS customers are advised to migrate resources to other regions and use remote backups until normal operations are restored.

An open letter asking NHS England to keep its code open

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The NHS is walking back its commitment to open-source code, which requires more work but ensures higher quality and security. We urge NHS England to reaffirm its commitment to the NHS Service Standard Principle 12.

Show HN: My Private GitHub on Postgres

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GitGres is a private GitHub alternative optimized for individual teams' needs, offering flexibility in cost, uptime, latency, and consistency. It uses a Postgres DBMS with tiered storage and caching for customizable performance.

Ubuntu servers taken offline by "sustained, cross-border attack"

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Ubuntu and Canonical servers were knocked offline due to a DDoS attack, preventing normal communication and OS updates. Updates remain available from mirror sites, but officials have maintained silence since the outage began.

A statement about why RightsCon 2026 will not take place in Zambia

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RightsCon 2026 was cancelled due to foreign interference, specifically pressure from China over Taiwanese participants. The event's host, Access Now, was not consulted or formally notified before the decision was made.

New copy of earliest poem in English, written 1,3k years ago, discovered in Rome

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Researchers from Trinity College Dublin discovered a 1,300-year-old manuscript in Rome containing the first known poem in the English language, Caedmon's Hymn. The poem, praising God for creation, was composed by a cowherd from North Yorkshire after a divine visitation.

Show HN: GhostBox – Borrow a disposable little machine from the Global Free Tier

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Ghostbox provides temporary, disposable machines for coding agents with shell, repo, and network access. Borrowed energy is returned to the clouds after use, making it a free, ephemeral compute solution.

Canonical/Ubuntu have been under DDoS

Welcome to Canonical and Ubuntu Status! View active incident progress, historical component status, and subscribe to email and RSS notifications for components and incidents on the move.

Advanced Quantization Algorithm for LLMs

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AutoRound is a quantization toolkit for LLMs and VLMs that achieves high accuracy at ultra-low bit widths with minimal tuning. It supports mixed-precision quantization and various formats, including AutoRound, AutoAWQ, and GGUF.

Show HN: Loopsy, a way for terminals and AI agents on different machines to talk

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Loopsy is a control surface for your machine, accessed by your phone, routed through a self-hosted relay on Cloudflare Workers. It enables remote control of your machine, file transfer, and shared state, with features like auto-approve and custom commands.

Show HN: Site Mogging

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Two websites enter. One gets mogged. An AI judge with the eye of an Awwwards critic decides which one looks prettier.

Your website is not for you

Decision-makers often forget that a website is for the customer, not themselves. They should prioritize user needs over personal preferences.