Ti-84 Evo

https://education.ti.com/-/media/ti/education/images/products/product-details/graphing/84-series/84-evo-shared/overview-evo-animated-screen-math-tools-v2.gif?rev=3e5c20f1-f86c-4050-9cb5-9230c63a8684&la=en&h=420&w=480&hash=C7678842D23A4F35210353A5A2B4B4AF
The input is a JSON object containing a list of commands for a text editor. The commands include editing text, formatting options, and inserting links and images.

New research suggests people can communicate and practice skills while dreaming

https://media.newyorker.com/photos/69f38c2c92c2d134aec145ec/2:2/w_2560%2Cc_limit/image2%2520(4).jpeg
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.

The smelly baby problem

https://substackcdn.com/image/fetch/$s_!R2s5!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8129d89b-1971-46f3-b369-7ada7a1d33c8_1024x686.jpeg
Benjamin Spock's 1946 book "Baby and Child Care" advised parents on childcare, while Procter & Gamble developed the first disposable diaper, Pampers, in 1961. Disposable diapers became a market leader, with Huggies eventually surpassing Pampers and dominating the market by the 1990s.

Eka’s robotic claw feels like we're approaching a ChatGPT moment

https://media.wired.com/photos/69f11c49423c2e71c99af00a/master/w_1600%2Cc_limit/20260320-wired-eka-robotics-1221.jpg
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.

Ask HN: Who is hiring? (May 2026)

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:

What did you love about VB6?

https://evilgeniuslabs.ca/img/og-default.png
Two open questions for anyone who shipped real work on Visual Basic 6 and is now writing C# against modern .NET. What specifically did VB6 get right that you miss? And what do you find frustrating about the modern toolchain that VB6 didn't make you fight? I shipped about a hundred VB3-through-VB6 line-of-business systems between 1995 and 2010, and I'm trying to get to the root of what ...

Lib0xc: A set of C standard library-adjacent APIs for safer systems programming

https://opengraph.githubassets.com/2c64935df94582561c7e37aaec96ca8dc23a30a38d207948e200f8457546e6a2/microsoft/lib0xc
lib0xc is a C library that aims to make systems programming safer by providing safer APIs and utilities. It uses the C preprocessor to expose its API surface and leans heavily on clang bounds safety extensions.

Whimsical Animations Course Open House

https://courses.joshwcomeau.com/images/covers/01-particles.png
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.
https://opengraph.githubassets.com/d7888a7f657264301cd0dccad9a87210c3c0bd3c6b992abd756013f161f54f2c/whohas/whohas
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.

SpaceX rocket set for unintentional moon landing – well, a piece of it anyway

https://regmedia.co.uk/2017/01/10/moon.jpg
A Falcon 9 upper stage is expected to hit the Moon on August 5, traveling at 5,400 miles per hour. The impact poses little risk as there are no humans on the Moon and debris is unlikely to strike nearby probes.

Artemis II Photo Timeline

https://artemistimeline.com/web/9608627.jpg
An interactive photo timeline of NASA's Artemis II mission — scrub through every crew moment, lunar flyby shot, and audio clip from April 1–10, 2026.

Credit cards are vulnerable to brute force kind attacks

https://metin.nextc.org/static/5/receipt.jpg
The user's credit card was stolen despite being stored on a secure website that followed PCI DSS standards, highlighting vulnerabilities in the system that allowed attackers to brute force the card number. The attackers used multiple endpoints and APIs to test credit card numbers at a rate of 6 requests per second, eventually obtaining the card number and making unauthorized transactions.

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

https://storage.ghost.io/c/0f/76/0f76b548-bc58-4f25-abc3-3f5ebca07da4/content/images/2026/04/CleanShot-2026-04-30-at-06.16.58@2x.png
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.

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

https://raw.githubusercontent.com/darrylmorley/whatcable/main/docs/screenshot.png
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.

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.

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.

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.

A Report on Burnout in Open Source Software Communities (2025) [pdf]

‘The next most common reason for quitting or considering quitting included not getting paid enough to make it worthwhile, which rose from 32% to 38% of maintainers citing it in this year’s survey versus our previous results.’ ‘This makes any attempt to get money for tooling such an uphill struggle that it’s really not worth the effort. Plans which are predicated on changing the world before ...

Understand Anything

https://raw.githubusercontent.com/Lum1104/Understand-Anything/main/assets/hero.png
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.

AI uses less water than the public thinks

https://i0.wp.com/californiawaterblog.com/wp-content/uploads/2026/04/Jay-Lund-AI-Data-Center-Water-Use-Blog-a69cdd4e-f8cd-470e-873c-e908e28cbc2b-1024x683.png?resize=1024%2C683&ssl=1
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

https://ichef.bbci.co.uk/news/480/cpsprodpb/d379/live/9f35a8f0-4545-11f1-8ea3-630273c214ab.jpg.webp
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.

Artemis II fault tolerance

https://alearningaday.blog/wp-content/uploads/2014/05/bnw.jpg
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.

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

https://www.online-tribute.com/memorial/uploads/photo/page-1899-2696-17423572810.jpeg
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.

Historic Tennessee hotel is also home to the greatest duck tradition (2016)

https://media.audubon.org/sfw_duck-march-antony.jpg?width=1200&height=630&auto=webp&quality=90&fit=crop&enable=upscale
The Peabody Hotel in Memphis, Tennessee, has a 83-year-old tradition of the Peabody Duck March, where five resident Mallards march through the hotel lobby. The ducks are cared for by the hotel's duckmaster, Anthony Petrina, who ensures their well-being and follows the legacy of the hotel's first duckmaster, Edward Pembroke.

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.

U.S. to Withdraw 5k Troops from Germany, Pentagon Says

Please enable JS and disable any ad blocker

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.

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

https://cdn.arstechnica.net/wp-content/uploads/2022/11/error-503-300x207.jpg
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 Letter from Dijkstra on APL (1982)

Dijkstra's comments on APL are ironic as Ken Iverson invented APL notation for communication, not computer implementation. APL can be used for formal manipulations and computations, as demonstrated by examples in the text.