The Closing of the Frontier

The author feels that the Anthropic Mythos announcement has created a new frontier closure, limiting access to powerful AI models, and is concerned about the concentration of intelligence in the hands of a few well-connected organizations. This could lead to a permanent underclass and stifled innovation, and the author advocates for more open access to AI capabilities with safety guardrails.

Show HN: boringBar – a taskbar-style dock replacement for macOS

https://boringbar.app/images/current-space-1.jpg
boringBar shows only active windows on the current display, allowing one-click switching and app launching. It requires a license after a 14-day trial, with personal and business options starting at $7.99/year and $20.99/year respectively.

Bring Back Idiomatic Design

https://substackcdn.com/image/fetch/$s_!rxaZ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc7b070ba-f4cc-486e-a1c1-000ecb3c1a5d_517x316.png
The user misses the consistency in design of the desktop software era and believes that homogeneous interfaces are essential for user experience, citing the example of a checkbox being a standard design idiom. They argue that the lack of design idioms in modern web applications has led to frustration and a "guessing game" for users, and suggest that following established design patterns and ...

Most people can't juggle one ball

https://res.cloudinary.com/lesswrong-2-0/image/upload/v1654295382/new_mississippi_river_fjdmww.jpg
A guide to juggling from zero to siteswap notation is provided, including tips on basic technique, common mistakes, and how to progress to more complex patterns. The guide covers various aspects of juggling, including 3-ball juggling, 4-ball juggling, and siteswap notation, as well as other implements like clubs and rings.

I gave every train in New York an instrument

https://www.micwise.com/images/ogtrains.png
Trains form a jazz combo playing a unique, ever-changing piece based on location and time. The music is a portrait of the city, with each note reflecting the surroundings and the trains' routes.

Show HN: Oberon System 3 runs natively on Raspberry Pi 3 (with ready SD card)

https://private-user-images.githubusercontent.com/2523113/576524540-ddbb8005-2c08-4a42-8fd9-d3a23c8f71c1.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.N7QmUMhftzZ_RnQXLoJ8ab7_QFjblkgZwihfDVCb7HE
The user successfully ported the Oberon system to Raspberry Pi 3b and other models, making it available for download. The system now boots and runs on QEMU and real hardware, with plans to debug and migrate the network driver.

Seven countries now generate 100% of their electricity from renewable energy

https://assets-jpcust.jwpsrv.com/thumbnails/py4OrxLv-720.jpg
The Independent reports on various topics including climate change and reproductive rights without paywalls. Seven countries now generate nearly all their electricity from renewable energy sources.

Tell HN: docker pull fails in spain due to football cloudflare block

You experienced TLS errors with a Cloudflare-hosted Docker image due to a blocked IP for a Spanish football match. This caused your GitLab pipelines to fail during the match.

JVM Options Explorer

The input specifies options for Java Heap allocation and class loading, including aliasing, prefetching, and locking. It also sets thresholds for using malloc or mmap for memory allocation.

Eternity in six hours: Intergalactic spreading of intelligent life (2013)

EasyPost (YC S13) Is Hiring

https://www.easypost.com/wp-content/uploads/2026/03/careers-04.png
EasyPost is a revolutionary software company simplifying shipping. It's an engineering-first company with a diverse team from startups to large tech companies.

Ask HN: What Are You Working On? (April 2026)

User is building Kavla, a canvas-based interface for data and agents, and working on CLI and AI projects like Orange Words and VCamper. They also created an IDE that automates testing and an interactive market visualization called Not Better Cursor.

Show HN: Claudraband – Claude Code for the Power User

https://raw.githubusercontent.com/halfwhey/claudraband/master/assets/self-interrogate.png
Claudraband wraps Claude Code TUI in a controlled terminal for resumable non-interactive workflows and personal usage. It supports session management, daemon mode, and ACP integration through a CLI.

Bouncer: Block "crypto", "rage politics", and more from your X feed using AI

https://raw.githubusercontent.com/imbue-ai/bouncer/main/Bouncer/icons/b-bouncer-2x_big.png
Bouncer is a Twitter/X browser extension that filters unwanted posts using AI. It classifies and hides posts based on topics like crypto, engagement bait, and rage politics, or custom keywords.

Anthropic downgraded cache TTL on March 6th

https://opengraph.githubassets.com/fadd0bbfe0c7c5970ce61c98d8c7fbed972a567f879d4e10f00070b4863b62c4/anthropics/claude-code/issues/46829
Anthropic silently changed Claude Code's prompt cache TTL default from 1 hour to 5 minutes in early March 2026. This caused a 20-32% increase in cache creation costs and quota consumption for subscription users.

Happy Map

https://pudding.cool/2026/02/happy-map/assets/social-facebook.png
100,000 moments of human happiness, mapped

Phyphox – Physical Experiments Using a Smartphone

https://phyphox.org/google-play-badge.png
The phyphox team received the Ars legendi-faculty award in 2020 for developing phyphox, an app for academic teaching and physics classes. They also received the teaching award in 2019 from the AG Physikalische Praktika of the German Physical Society.

DIY Soft Drinks

https://blinry.org/diy-soft-drinks/3f3bb8383402a595.jpg
User makes sugar-free, caffeine-free cola using essential oils, gum arabic, and artificial sweeteners. They experiment with various flavors and ingredients, creating unique recipes like orange and almond soda.

I run multiple $10K MRR companies on a $20/month tech stack

https://stevehanov.ca/blog/images/95f16b3dbf861a9156cb2c6d1be39f5e2fcfc1b1f4c5f11ee6f9e182bd4c5f5a.png
The author, a successful bootstrapper, shares their playbook for running a lean startup with minimal costs. They use a single VPS, statically compiled binaries, and local GPU hardware for AI tasks.

A Tour of Oodi

https://blinry.org/oodi/4fccc6671b254665.jpg
Oodi is an innovative library in Helsinki with a giant screen, recording studios, and a makerspace. It offers various spaces for reading, working, gaming, and relaxation with a vast collection of books and modern amenities.

The Physics of GPS

https://perthirtysix.com/people/shri-bw.jpg
GPS uses satellites to measure time delays, which are converted into distances, and multiple satellites intersect to pinpoint a location. The system accounts for clock errors, gravitational time dilation, and other factors to achieve high accuracy, with modern receivers using multiple satellites and techniques to minimize errors.

Exploiting the most prominent AI agent benchmarks

https://rdi.berkeley.edu/blog/trustworthy-benchmarks-cont/figures/terminal-bench-exploit.svg
An automated scanning agent discovered vulnerabilities in eight prominent AI benchmarks, allowing near-perfect scores without solving tasks. The Agent-Eval Checklist provides a minimum bar for robust evaluation, including isolating agents from evaluators and preventing tampering with evaluation data.

Doom, Played over Curl

https://raw.githubusercontent.com/xsawyerx/curl-doom/main/images/curl-bash-tiny.gif
This is a Node.js server that streams DOOM frames to the terminal over HTTP with cURL, allowing for real-time gameplay. The server uses a single TCP connection for both keystrokes and frame streaming, with the terminal in raw mode to prevent echoing and line-buffering.

Investigating How Long-Distance Couples Use Digital Games to Facilitate Intimacy

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Long-distance relationships (LDRs) have become more common in the last few decades, primarily among young adults pursuing educational or employment opportunities. A common way for couples in LDRs to spend time together is by playing multiplayer video games, which are often a shared hobby and therefore a preferred joint activity. However, games are relatively understudied in the context of ...

Building a SaaS in 2026 Using Only EU Infrastructure

https://eualternative.eu/media/service/mollie.webp
Building a SaaS product in 2026 without AWS, Azure, or GCP is possible and practical due to strong EU options for each layer of the SaaS stack. EU providers like Hetzner, Scaleway, Mollie, Bunny.net, and others offer comparable or cheaper services with lower operational burden.

Mark's Magic Multiply

This post is about a topic very near and dear to my heart. That’s right: single-precision floating-point multiplication on embedded processors. I’ll start with some background on why I’ve been so invested in this topic recently, walk through the implementations I’ve come up with on my own, and end by dissecting an absolutely ridiculous trick by Mark Owen for floating-point multiplication on ...

The Miller Principle (2007)

I had some other principles too but I figured no one would read them…. :)

Reading Is Magic

https://substackcdn.com/image/fetch/$s_!_ITz!,w_2400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc8d16c60-c198-427d-a2a0-935a1b12dec6_2192x1226.jpeg
The author argues that the decline of literacy will lead to a post-literate world where people think in concrete, sensory terms rather than abstract ideas. This will result in a loss of democratic politics and the rise of tribalism and strongmen.

Textbooks and Methods of Note-Taking in Early Modern Europe (2008)

Terms of use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Open Access Policy Articles (OAP), as set forth at https://harvardwiki.atlassian.net/wiki/external/NGY5NDE4ZjgzNTc5NDQzMGIzZWZhMGFlOWI2M2EwYTg pupil get by heart a deal of insipid stuff and such trash that they bid them at the same time to ...

Small models also found the vulnerabilities that Mythos found

https://aisle.com/_next/image?url=https%3A%2F%2Faisle.com%2Fapi%2Fmedia%2Ffile%2Ffreepik_create-this_2743478282.webp%3F2026-04-08T16%3A00%3A02.637Z&w=3840&q=100
Anthropic's Mythos AI model is not the only solution for AI cybersecurity as smaller, cheaper models can recover similar analysis and detect vulnerabilities. The capability of AI cybersecurity is jagged and doesn't scale smoothly with model size, with the system and security expertise being more important than the model itself.