The hottest Substack posts right now

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The Week in Repair: June 19-25

Fight to Repair • 19 implied HN points • 28 Jun 22
💼 Business Economy Supply Chain Repair Data Privacy
  1. FTC is taking action against companies like Harley-Davidson and Westinghouse for limiting customers' right to repair, which restricts choices and can cost consumers more money
  2. Exploring concepts like the circular economy vs. degrowth can lead to business innovations that prioritize sustainability and affordability by reusing and recycling materials
  3. Congress is pushing for investigations into the automotive industry's right to repair, aiming to protect consumers' ability to repair their own products and improve competitive repair markets

An Intro to Finite State Machines[Math Monday]

Technology Made Simple • 19 implied HN points • 08 Aug 22
🕹 Technology Programming Software Engineering Algorithms Computer Science Tutoring
  1. Finite State Machines (FSMs) are like directed graphs that help in understanding the flow of a program. Nodes represent states and edges show reachable states.
  2. FSMs are useful for filtering input based on rules and when a system is defined by a set of conditions, like in Regex applications.
  3. Mastering FSMs involves patience, practice, and hands-on coding of theoretical concepts to understand and implement them effectively.
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SPACs a.k.a "Vegas Wedding Chapel of liquidity events"

Turnaround • 59 implied HN points • 25 Jan 21
💼 Business Venture Capital Startups Investing IPOs Private Equity
  1. Startups are increasingly staying private longer due to the availability of private money and growth of Venture Capital and Private Equity.
  2. SPACs, or Special Purpose Acquisition Companies, offer more certainty and speed for companies going public compared to traditional IPOs.
  3. SPACs may be seen as more expensive than IPOs due to higher fees, but have evolved and come under greater scrutiny by the SEC.

Episode 28: Burkhard on Qt Embedded Systems

burkhardstubert • 39 implied HN points • 04 Apr 22
🕹 Technology Programming Agile Methodology Embedded Systems Software Development Cloud Computing
  1. Burkhard is switching from a newsletter format to a blog for sharing his thoughts on Qt Embedded Systems. He believes this will help him attract more readers and focus better on his writing.
  2. There are different levels of architecture diagrams for Qt embedded systems, such as context and container levels. These diagrams help in understanding system interactions and can guide the organization of development teams.
  3. Spotify uses a unique structure for its teams, like squads and tribes, to encourage communication and collaboration. This approach helps address dependencies between teams and enhances productivity.

Pascal: The language that almost took over the world part 2

Deus In Machina • 36 implied HN points • 16 Nov 23
🕹 Technology Programming Computer Science Development Languages Software
  1. Pascal programs have a structured format with specific sections for constants, types, and variables.
  2. Free Pascal supports multiple dialects which can be specified using mode directives like OBJFPC and DELPHI.
  3. In Pascal, functions and procedures are declared with keywords like constructor, function, and procedure, and variables are prefixed with T and F.

Yes, Non-Existent Entities Exist (Part 1: The Nature of Abstract Objects)

Ethics Under Construction • 10 implied HN points • 26 Jan 25
📖 Philosophy Epistemology Ontology Logic Metaphysics
  1. Abstract objects, like numbers and concepts, can exist independently of physical reality. Even though we can't touch them, they still have a place in our understanding of the world.
  2. Thinking proves our existence, which means thoughts must also exist. You can't doubt your own thinking; without thoughts, you can't claim to exist.
  3. For a thought to count as an objective idea, it needs to be understandable to others. If something is too private or confusing, it isn't a true thought that can be shared.

The Ill-Defined Space Spacecraft Market and Service Analysis, Pt. 2: 2024

Ill-Defined Space • 9 implied HN points • 21 Feb 25
🕹 Technology Market Analysis
  1. In 2024, four main countries—USA, China, Russia, and France—made up about 94% of all spacecraft deployed, with most missions focusing on commercial markets.
  2. The USA had a surprising shift towards military missions, deploying around 46% of its spacecraft for this purpose, while China leaned more towards commercial deployments at about 66%.
  3. France's space operators focused almost entirely on commercial services, with 98% of their satellites being used for this, primarily providing communication services.

UX Roundup: 2025 UX Themes | Put New AI Models to the Test | AI Slide Creation | AI Analyzing Usability Tests | AI Job Creation | AI & UX Jobs

Jakob Nielsen on UX • 11 implied HN points • 06 Jan 25
🕹 Technology AI User Experience Job Market Usability testing Trends
  1. AI can help create slide presentations automatically from written content. This saves time and makes presenting easier.
  2. Using new AI models can improve work tasks, but it's important to regularly test these new tools to see if they perform better than older versions.
  3. AI is changing job landscapes. While some jobs might go away, new ones that require skills to work with AI are popping up, leading to more opportunities overall.

About China’s “Intelligence Satellites”...

Ill-Defined Space • 28 implied HN points • 07 Mar 24
🕹 Technology Commercial Military Data Analysis Satellites Space
  1. The claim that China has 359 intelligence satellites may be inaccurate, as this number includes civil and military satellites, not just those intended for intelligence purposes.
  2. While China's spacecraft deployments have increased, they have not tripled, as suggested by a U.S. Space Command general.
  3. Despite concerns about China's space activities, the data indicates that U.S. military spacecraft deployments have not significantly increased, and the role of commercial spacecraft in the industry is substantial.

Horrors Of The Theoretical Maximum

ASeq Newsletter • 14 implied HN points • 30 Oct 24
🕹 Technology Research Methods Computational Biology Bioinformatics Data Analysis Genomics
  1. Vendors sometimes quote theoretical maximums for data output, which can be misleading. It's important to understand that these numbers might not reflect actual performance.
  2. Comparing different technologies can be complicated because they have different specifications and capabilities. Each technology, like PacBio, Oxford Nanopore, and Illumina, has its unique strengths and limitations.
  3. In the real world, the difference between what is theoretically possible and what is actually achieved can be significant. This means we should be cautious and not rely solely on theoretical figures.

23 principles

Midnight Musings • 39 implied HN points • 04 Apr 22
📖 Philosophy Self-Improvement Existentialism Mindfulness Personal Growth
  1. Forgiveness helps you heal and frees you from the weight of anger. It's good for both you and the people you forgive.
  2. Focus on what you can control and react positively to life’s ups and downs. Embracing challenges with love and gratitude can make life more enjoyable.
  3. Be kind and compassionate to others without needing to understand their situation completely. Compassion opens the door to real connections.

I have access to Claude-3 Opus, a (seemingly) considerably more advanced model than GPT-4, ask it anything

Philosophy bear • 28 implied HN points • 05 Mar 24
🕹 Technology Machine Learning AI Models Artificial Intelligence Data
  1. Claude-3 Opus is a highly advanced model compared to GPT-4, especially in reasoning capabilities, scoring impressively on GPQA and other tests.
  2. The model's knowledge base is top-notch, performing as well as or better than a graduate student with Google access in specific sciences.
  3. Questions posed to Claude-3 Opus should be challenging, aiming for queries that most people would answer correctly but the model might get wrong, to reveal its strengths and weaknesses.

June Newsletter

RSS DS+AI Section • 5 implied HN points • 01 Jun 25
🕹 Technology Ethics Research Machine Learning Artificial Intelligence Data science
  1. Ethics and bias in AI are big topics right now. Many people are talking about how to keep AI safe and fair as it becomes more advanced.
  2. There are many exciting developments in AI research, including new tools and methods. For example, some AI can now create new algorithms and even assist in healthcare.
  3. Real-world applications of AI are growing, with many helpful resources and tutorials available. It's becoming easier for people to use AI for practical tasks and projects.

UX Roundup: Titan of Human Factors | Long UX Career | AI Articulation Barrier | Design Challenge | Leonardo Text | UX Podcast

Jakob Nielsen on UX • 32 implied HN points • 08 Jan 24
🕹 Technology Podcasts Career development UX Design AI User Interfaces
  1. Jakob Nielsen was named a 'Titan of Human Factors' by the Human Factors and Ergonomics Society.
  2. Consider the longevity and evolution of a UX career over 40 years.
  3. Using AI interfaces raises similar challenges to early computer interfaces like DOS in terms of articulation barriers.

#15: Maintenance by design

The Uncertainty Mindset (soon to become tbd) • 119 implied HN points • 12 Feb 20
💼 Business Change Management Organizational Design Systems Thinking Strategic Planning
  1. Maintenance isn't just about fixing broken things. It can also mean improving what already exists and ensuring everything runs smoothly.
  2. Design systems to be flexible and aware of changes in their environment. This helps them adapt quickly without breaking down.
  3. Having a diverse setup, like different types of wheat in a field, makes systems more stable and less fragile. They can adjust better to unexpected challenges.

I Invented Surge Pricing For Uber. Here’s Why it Wouldn’t Have Worked for Wendy’s.

Kevin’s Rackhouse Ramblings • 3 HN points • 07 Mar 24
💼 Business Customer Behavior PR Restaurant Industry Operations
  1. Dynamic pricing worked for Uber because it's a system where demand and supply can be influenced economically, leading to a surplus of trips and a big economic win.
  2. Fast food like Wendy's operates in a non-stochastic system, making the effectiveness of dynamic pricing more limited compared to a system like Uber's.
  3. Implementing dynamic pricing at Wendy's could help shape consumer behavior, improve operational efficiency, and line up customer demand with employee staffing, but may not have the same revolutionary impact as it did for Uber.

Summaries without originals

Internal exile • 29 implied HN points • 16 Feb 24
🕹 Technology Digital Interaction Ethics AI Data
  1. Concern is rising that tech companies developing AI models may eventually run out of human-generated data to train the models, leading to a potential collapse of the models themselves.
  2. The use of Large Language Models (LLMs), such as AI-generated text, may interfere with human intentional communication and risk creating a future where discourse is processed only by machines, wasting everyone's time.
  3. AI technologies like LLMs can be used to manipulate power dynamics, disempower individuals, and dehumanize interactions, ultimately reshaping social relations and relegating human voices to the background.

The Week in Repair: June 12-17

Fight to Repair • 19 implied HN points • 21 Jun 22
🕹 Technology Environmental Impact Antitrust Repair Legislation Circular Economy
  1. Tracking devices reveal that many small appliances returned for repair end up in landfills due to lack of repair advice and available spare parts.
  2. Facebook is revealed to be the sole funder of American Edge Project, an anti-regulatory group fighting against antitrust efforts, with documents showing a $4 million donation.
  3. The Right to Repair movement is gaining traction with proposed bills at state and national levels, aiming to empower consumers, save costs, and reduce e-waste by allowing for repairs and extending the lifespan of electronics.

Geometric Constraints on Computing

Bzogramming • 30 implied HN points • 29 Jan 24
🕹 Technology Physics Future Trends Optimization Architecture Computing
  1. The physical constraints of computing, such as distance and volume, significantly impact performance and efficiency.
  2. Parallelism at different scales within a program can affect latency and performance, offering opportunities for optimization.
  3. Considerations like curvature of computation, square-cube law, and heat generation play a crucial role in the design and limitations of computer chips.

What is “Prompt Injection”, And Why Does It Fool Chatbots?

Am I Stronger Yet? • 31 implied HN points • 17 Jan 24
🕹 Technology Vulnerabilities Security Chatbots AI
  1. Chatbots powered by large language models can be tricked into following malicious instructions.
  2. Prompt injection is a vulnerability where an attacker can sneak instructions into data fed to a chatbot.
  3. A key issue with large language models is the inability to distinguish instructions from data, making them susceptible to harmful prompts.

The secret life of 🐕

Links I Would Gchat You If We Were Friends • 59 implied HN points • 12 Feb 21
🕹 Technology Digital Content Online Retail Social media Emoji Internet culture
  1. Emojis have hidden textual meanings that prompt automatic suggestions on devices, leading to unexpected pairings like 'dog' suggesting the Chinese takeout container emoji.
  2. Extraneous keywords are associated with emojis, vary by platform, and can reflect the community's usage behaviors.
  3. Social media platforms can suggest emojis based on keywords, and the review process for these pairings may not always catch unintended or offensive connections.

Three percent more Monaco: Links in Progress, infrastructure edition

The Works in Progress Newsletter • 11 implied HN points • 30 Dec 24
🕹 Technology Transportation Infrastructure Construction Development Urban planning
  1. A new airport opened in Nuuk, Greenland, making it easier for larger planes to land and boosting travel from locations like New Jersey.
  2. Vietnam is planning an impressive high-speed rail line between Hanoi and Ho Chi Minh City, which will cost around $67 billion and open in 2035.
  3. Monaco is expanding its land area by reclaiming land from the sea to build a new district, highlighting its ambition to develop upscale real estate.

Top 10 UX Videos of 2024

Jakob Nielsen on UX • 11 implied HN points • 02 Jan 25
🕹 Technology User Experience Video Production Digital Media AI Tools
  1. In 2024, AI video creation really improved a lot. By the end of the year, the videos looked and sounded much better than the videos made earlier, almost like real productions.
  2. Some popular videos were made with AI tools and others were shot with real people. This mix made for interesting content, showing how both methods can be effective.
  3. Advancements in AI also allowed for podcasts and videos to be translated into multiple languages, making it easier to reach audiences around the world.

Data matters

Klement on Investing • 3 implied HN points • 13 Aug 25
💰 Finance Investing Forecasting Data Analysis Market research
  1. Using high-quality data sources can really improve an analyst's accuracy. It’s better to have various data subscriptions than just relying on experience.
  2. Smaller, specialized data providers have a bigger positive impact on forecast accuracy than larger firms. But these smaller providers often get cut for cost-saving reasons.
  3. Cutting back on data access can harm investment research. It can lead to less unique insights, making it hard for analysts to stand out, which isn't good for business.

The Busy Trap: How to Distinguish Being Busy from Being Productive

Wisdom over Waves • 3 HN points • 06 Mar 24
🕹 Technology Collaboration Code Review Productivity Software Development
  1. The bulk of a work item's lifecycle in software development is often spent waiting in queues, not in active development or QA activities, highlighting inefficiencies in the process.
  2. More planning and parallel tasks do not necessarily lead to increased productivity; streamlined processes and effective collaboration are key for true productivity.
  3. Individual busyness does not equate to team productivity; focusing on removing bottlenecks and promoting collaborative efforts leads to faster project timelines and meaningful progress.

11 Key Takeaways From Canva's Growth Strategy That Can Grow Your Freelance Graphic Design Business

Bold Begin • 1 HN point • 14 Jun 24
💼 Business SEO Advertising Design Content Marketing
  1. Canva focuses on simplicity in their home page, emphasizing creating designs quickly and easily, without the need for a sales pitch.
  2. Their product page highlights a strong value proposition in a single sentence, effectively conveying the essence and benefits of their product.
  3. Canva excels in social media ads with powerful images and clear, fun copy that emphasizes the ease and creativity of using their platform.

Federated Learning [Systems Design Sundays]

Technology Made Simple • 19 implied HN points • 31 Jul 22
🕹 Technology Data Privacy System Design Machine Learning
  1. Federated Learning is a system where individual devices have their own mini ML models that update based on user input, then the updates are shared with a central server for a collective model.
  2. Federated Learning offers cheaper training and better security, making it a good solution for dynamic systems that constantly change based on user preferences.
  3. Federated Learning is beneficial for applications like social media or recommendation systems that require distributed learning processes and can handle multiple user input interfaces.

Any Cables Monthly #1

AnyCable Broadcasts • 19 implied HN points • 05 Aug 22
🕹 Technology Programming Frameworks Networking Web Development Updates
  1. The first issue of Any Cables Monthly covers news from the AnyCable ecosystem and real-time projects since the beginning of summer 2022.
  2. The issue includes highlights such as celebrations of AnyCable Pro's first anniversary and insights from RailsConf 2022 videos.
  3. Articles and releases featured in the newsletter discuss topics like scaling Rails web sockets, introducing Action Cable command callbacks, and new versions of various tools like AnyCable Client and Turbo.