5. Show HN: Newton's Orchard – Browser-based space/gravity playground (newtonsorchard.app)

Newton’s Orchard is a browser-based playground designed to enhance the learning experience of space and gravity concepts, inspired by popular educational simulations. Created for a young learner seeking more engaging STEM tools, it offers a unique progression beyond existing online resources.

6. Physically Immutable Optical Archive Libraries (savartus.com)

Savartus is Data Management, Storage, and Archive Solutions

Savartus offers innovative solutions for data management, storage, and archiving, focusing on physically immutable optical archive libraries. Discover how these technologies can enhance data security and longevity.

7. Lake Ontario ("Lake America") (community.openstreetmap.org)

Here we go again… 😅 A few hours ago, US President Trump signed an Executive Order ordering GNIS to be updated to rename Lake Ontario to “Lake America”, and it seems the update has already taken effect (although to note, the GNIS entry cites “Executive Order 14420”, but that is in fact the executive order on “Delivering Gold Standard Childhood Vaccine Recommendations for Americans”; this new executive order has not been officially published in the Federal Register yet and thus does n...

President Trump has signed an Executive Order to rename Lake Ontario to “Lake America,” sparking confusion over the order’s details and its immediate implementation. The situation raises questions about the accuracy of official records and the motivations behind this name change.

8. DIY – Build a Potato Box (2022) (www.rebootedmom.com)

Learn how to build a potato grow box and grow up to one hundred pounds of potatoes in just four square feet - an easy project for beginners!

Create your own potato grow box and discover how to yield up to 100 pounds of potatoes in a compact space. This straightforward project is perfect for those new to gardening.

9. UEFA's Champions League draw creates unfair clusters; a Cayley graph fixes it (sariyuce.com)

A tight little cluster hidden in the 2025-26 Champions League draw shows why the

The 2025-26 Champions League draw has revealed an imbalanced grouping of teams, raising concerns about fairness in the tournament. A proposed Cayley graph could provide a solution to this issue, ensuring a more equitable distribution of teams in future draws.

11. Visualizing Combos in Judo in R (www.r-bloggers.com)

As the Judo World Championship draws near this June in Budapest, it feels like the perfect time to bring together my passion for Judo (and Brazilian Jiu-Jitsu) with my gusto for complex network analyses — a fusion that’s been a long time in the making! While my posts typically focus on biodiversity-related topics and statistical … Continue reading The Dynamics of the “Gentle Way”: Exploring Judo Attack Combinations as Networks in R

A unique analysis combines Judo techniques and network science, offering insights into attack combinations as visualized networks. This intriguing perspective could enhance understanding for both martial arts enthusiasts and data analysts alike.

12. I used Fable to rewrite 65kLoC of Go in Rust. It cost $400 (iurii.net)

I rewrote rune, my 65kLoC Go terminal editor, to Rust with Fable 5 for about $400. The trick is to turn a code problem into a data problem.

A developer shares their experience of rewriting a large Go terminal editor in Rust using Fable 5, detailing the cost and the innovative approach of transforming code challenges into data solutions. This insight might inspire others considering similar migrations.

14. US lawmakers demand investigation into admin's secret surveillance of Americans (www.theguardian.com)

Exclusive: Two congressmembers respond to revelations of government snooping on journalists, non-profits and unions

Congress is pushing for an investigation after reports emerged about the government’s covert surveillance of journalists, non-profits, and unions. The calls for accountability highlight growing concerns over privacy and transparency in government actions.

15. Vermell – Minimal, dependency-free C++ web framework using epoll (github.com)

A minimal, zero-bloat web framework designed for modern C++ environments. Fast, structural, and strictly typed. (successor to Vibe.) - vermellcc/vermell

Vermell is a lightweight web framework for C++ that emphasizes speed and structure without unnecessary dependencies. It aims to provide a strictly typed experience, making it a compelling option for developers looking for efficiency in modern C++ applications.

16. Benchmarking Vector Indexes (www.percona.com)

Discover the process of measuring vector search performance with our benchmark, enhancing database analysis and decision-making.

Learn how to effectively assess vector search performance through benchmarking, which can improve your database analysis and inform better decision-making.

20. What's the Scam? (www.schneier.com)

To subscribe to my monthly email newsletter, you have to enter your information on the webpage, and then reply to an automatically generated email. This is, of course, to prevent people from subscribing addresses other than their own. Starting last weekend, I have been receiving a lot of individual responses to those emails. Always one line: Thank you for the positive impact your emails have had on my life. Your emails are a game-changer. Your emails are a constant reminder of why I subscribed. Your emails rock. Thank you for the time and effort you put into creating these informative emails...

A recent surge of heartfelt responses to a newsletter’s confirmation emails highlights the genuine impact of the content on its subscribers. The author reflects on the unexpected gratitude and connection formed through this simple subscription process.

21. A Cyanometer and a Cloud Colourimeter (byopiapress.wordpress.com)

It is Spring in the Northern Hemisphere. The lovely blues of the sky inspired me to post a DIY cyanometer as the project for this week.

Learn how to create a DIY cyanometer to measure the beautiful shades of blue in the spring sky. This project offers a unique way to engage with nature and understand atmospheric colors.

25. Global Trade and the United States Navy (acoup.blog)

This week we’re doing another one of our series of military theory primers, this time focusing on a fairly simple contention: that the United States Navy is a load-bearing component of the gl…

The article discusses the crucial role of the U.S. Navy in supporting global trade, arguing that its presence is essential for maintaining economic stability. It provides insights into how naval power influences international commerce and security.

26. A Genealogy of Freudenthal's Lincos (www.shellsandpebbles.com)

This article is the first part of a two-part series, aiming to provide a short introduction to the intellectual history and genealogy of Hans Freudenthal’s Lingua Cosmica. This first part aim…

The piece introduces the intellectual roots of Hans Freudenthal’s Lingua Cosmica, setting the stage for a deeper understanding of its development. It’s the first of two parts, promising insights into Freudenthal’s contributions to the philosophy of language and communication.

28. Codes – typed application outcomes for Kotlin and Java (github.com)

lightweight jvm library for stable application outcomes, structured issues, and explicit protocol mappings for Kotlin and Java. - aalsanie/codes

A new JVM library aims to enhance application stability by providing structured issue handling and clear protocol mappings specifically for Kotlin and Java developers. This tool could streamline error management and improve overall developer experience.

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