The hottest Substack posts right now

according to Hacker News
Category
The Bear Cave 1096 implied HN points 07 Jan 24
  1. New Activist Reports on Medical Properties Trust and consequences
  2. Significant Recent Resignations from various companies
  3. Highlighted Tweets of the Week referencing market happenings and insights
Get a weekly roundup of the best Substack posts, by hacker news affinity:
The Beautiful Mess 343 implied HN points 02 Feb 25
  1. Conflict in companies often stays unresolved because people are afraid to ask for help. This fear can make it look like admitting problems is a weakness.
  2. The Garbage Can model shows that decision-making is messy and often relies on chance rather than a clear process. Conflicts may get ignored until something urgent happens.
  3. Unlike businesses, pirate ships had systems in place for resolving conflicts because surviving together was crucial. Businesses can postpone resolving conflicts without facing immediate consequences, which can lead to bigger problems later.
Tiny Empires 122 implied HN points 23 Jul 25
  1. Start by figuring out the life you want to live, then design your business around that life. Your business should help you enjoy your life, not take it over.
  2. Identify when you are most productive and build your schedule to fit those energy patterns. Work with your natural rhythms for better efficiency.
  3. Pick a business that matches your skills and preferences. Choose tasks you enjoy and are good at, and avoid things you dislike to keep your energy up.
Points And Figures 506 implied HN points 22 Oct 24
  1. Cryptocurrency operates under economic principles just like any other market. If costs to create or maintain it exceed profits, it won't succeed.
  2. A recent study highlights that cryptocurrencies may struggle to scale due to high security costs, making them potentially less efficient than traditional financial systems.
  3. While cryptocurrencies aimed to remove the need for legal systems and intermediaries, they still require a level of trust that can be expensive and complex to maintain.
Software Design: Tidy First? 353 implied HN points 17 Jan 25
  1. You can't meet and exceed expectations at the same time. Focusing only on meeting others' expectations can limit your personal growth.
  2. Setting your own goals helps you think independently and be more creative. When you manage your own expectations, you can achieve unexpected results.
  3. Learning to take risks and act on your own ideas is important for growth as an engineer. The more you practice this, the better you'll become at finding your own path.
Bite code! 1100 implied HN points 15 Jan 24
  1. The splat operator ( ) in Python is used for unpacking function arguments and defining infinite (variadic) parameters.
  2. Differentiate between arguments and parameters in Python; parameters are defined variables in a function signature, while arguments are values passed to those parameters when calling the function.
  3. Positional and keyword arguments in Python allow passing arguments by position or by name in a function call.
Subconscious 1660 implied HN points 10 Jun 23
  1. 300,000 years ago, humanity started leaving messages in rocks and clay, allowing thoughts to outlive individuals.
  2. Throughout history, humans have continuously discovered new tools for thinking, such as language, art, and technology.
  3. The shared brain of humanity has evolved over time, with increasing collaboration and technological advancements, setting the stage for thinking together to address global challenges.
Not Boring by Packy McCormick 149 implied HN points 27 Jun 25
  1. AlphaGenome is a new AI tool that helps scientists understand how our genes work. It can analyze DNA to predict how changes in our genes affect health and diseases.
  2. New York is planning to build a major nuclear power plant, which would be the first in over 15 years. This new facility aims to provide clean energy and improve energy security.
  3. A study shows that a single dose of psilocybin, found in magic mushrooms, can help reduce depression for years. This opens up possibilities for new, effective treatments for mental health.
Workforce Futurist by Andy Spence 488 implied HN points 30 Oct 24
  1. In 2034, people have a Lifelong Learning Wallet to improve their skills without the burden of debt. This allows everyone to access education based on their abilities, not their financial situation.
  2. Work has become flexible and collaborative, with projects matching people's skills and interests. Workers earn digital tokens for their contributions, which helps them feel more connected and motivated.
  3. Society now values all contributions, including care work, and uses technology to fairly distribute resources. This new system supports faster solutions to pressing issues like climate change and health crises.
Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots 19 implied HN points 18 Jul 24
  1. GPT-4o mini is a new language model that's cheaper and faster than older models. It handles text and images and is great for tasks requiring quick responses.
  2. Small Language Models (SLMs) like GPT-4o mini can run efficiently on devices without relying on the cloud. This helps with costs, privacy, and gives users more control over the technology.
  3. SLMs are designed to be flexible and customizable. They can learn from various types of inputs and can adapt more easily to specific needs.
The Jolly Contrarian 79 implied HN points 08 Apr 24
  1. Banks have structural interest rate risk, which they manage by borrowing at a low rate and lending at a high one.
  2. The LIBOR rate was created as a benchmark for banks to set their interest rates and trade standardized instruments.
  3. Interest rate swaps changed the game by allowing banks to trade interest rates with counterparties, impacting how they managed their structural interest rate risk.
ChinaTalk 400 implied HN points 16 Dec 24
  1. China aims to become a top producer of humanoid robots by 2027, planning to use them in various industries like manufacturing and services. This is partly because they face labor shortages and believe humanoids can do many tough jobs.
  2. Humanoid robots need advanced technology in hardware and AI to work well. This includes making them mimic human movements and learning from real-world experiences, which is still a big challenge.
  3. The automotive industry could be key for testing and improving humanoid robots. Car factories have structured environments that help robots learn new tasks safely while addressing labor shortages in that sector.
Brad DeLong's Grasping Reality 169 implied HN points 09 Jun 25
  1. Natural language interfaces are a big deal because they let us communicate with AI using everyday language. This makes it easier for everyone to use technology without needing to know complex coding or technical skills.
  2. AI systems, like language models, simulate understanding but don't actually think. They can help us find information and assist with tasks, but we should remember that they are not truly intelligent.
  3. Using conversational AI can democratize access to information, making it easier for people to learn and solve problems. However, we must be aware of the risks, like over-reliance on these systems.
Data Thoughts 3 HN points 10 Sep 24
  1. Analytics should be handled like an assembly line to make it more efficient and accessible. This means creating standard processes to measure and track important business metrics.
  2. Most companies need to focus on basic descriptive analytics, which involves identifying and measuring key metrics. These metrics will help businesses understand what drives their success.
  3. Having well-defined metrics is essential before deeper analysis can happen. Insights from data come from well-measured processes, allowing teams to explore and understand their business better.
Brad DeLong's Grasping Reality 461 implied HN points 09 Nov 24
  1. The newsletter aims to make readers smarter and more informed about economic topics. It's designed to keep readers engaged and entertained while learning.
  2. Readers can expect economic insights, historical context, and thoughtful recommendations in the newsletter. The goal is to offer clarity and understanding of complex issues.
  3. The newsletter also seeks to enhance public discourse by steering readers away from sensationalism and clickbait, promoting a more thoughtful examination of current events.
Venture Curator 219 implied HN points 18 Nov 23
  1. Tarpit ideas are worse than bad ideas and can trap entrepreneurs into wasted time and resources.
  2. Many consumer startup ideas end up being tarpit ideas, as they seem simple but are challenging to execute successfully.
  3. To succeed in the startup world, founders need to recognize tarpit ideas early, pivot strategically based on supply-demand dynamics, and focus on building high-quality, in-demand products.
Blog System/5 165 implied HN points 17 Jun 25
  1. The EndBOX project started as a fun idea and led to many useful lessons in tech and programming. It's amazing how one wild idea can spark a whole journey of learning.
  2. Creating and refining prototypes like the EndBOX helps develop practical skills in areas like coding and hardware setup. Each step in the process teaches something valuable.
  3. Sharing knowledge through articles can inspire others and encourage a community of tinkers and makers. Supporting creative projects can lead to even more exciting developments in the future.
Tapa’s Substack 79 implied HN points 07 Apr 24
  1. Moore's Law shows that the number of transistors on chips grows, but the real limit to performance is how efficiently we can use power. Even if we add more transistors, we might not get better performance without better power management.
  2. We need to consider the costs of power and cooling when designing chips, not just the cost of the hardware itself. Cooling efforts can be more complex and expensive as we push for higher performance.
  3. New technologies and materials like photonics, 3D chip designs, and even concepts like spintronics might help enhance computing performance, especially for memory-related tasks, but there are many challenges to overcome.
Software Design: Tidy First? 1170 implied HN points 08 Dec 23
  1. Kent Beck's role in enhancing engineering teams for growth and prosperity by working on product features and tool building.
  2. Kent Beck's impact through research and publication on software design, attracting new recruits and revolutionizing design ideas.
  3. Kent Beck's personal relationships and pair programming sessions significantly improving engineering skills and career prospects of individuals.
ChinaTalk 370 implied HN points 03 Jan 25
  1. Pony.ai is a leading robotaxi company in China, rapidly expanding its fleet and operations in major cities. They are working to boost their commercialization amidst significant competition.
  2. Despite a promising start, Pony.ai is currently facing challenges in profitability, with high operational costs and moderate revenue growth. They hope to improve their financial situation by 2025.
  3. Pony.ai is exploring international expansion but must navigate strict regulations and competition in foreign markets. They currently focus on China, where they have strong government support and demand.
The Data Ecosystem 59 implied HN points 05 May 24
  1. Data is generated and used everywhere now, thanks to smart devices and cheaper storage. This means businesses can use data for many purposes, but not all those uses are helpful.
  2. Processing data has become much easier over the years. Small companies can now use tools to analyze data without needing a team of experts, although some guidance is still necessary.
  3. Analytics has shifted from just looking at past data to predicting future trends. This helps companies make better decisions, and AI is starting to take over some of these tasks.
Platforms, AI, and the Economics of BigTech 15 implied HN points 11 Jan 26
  1. The US is betting on building the smartest AI models and assumes intelligence will stay scarce while coordination can be bought on markets.
  2. China is deliberately commoditizing intelligence by opening models so value shifts to energy, hardware, manufacturing, and the ability to coordinate AI into physical systems.
  3. Once intelligence is abundant, durable power and profits will flow to whoever can reliably execute and coordinate systems at scale, so winning means building coordination, execution, and energy advantages—not just better models.
We're Gonna Get Those Bastards 11 implied HN points 11 Jan 26
  1. Ego is dangerous and can wreck your career, relationships, and life, so keep it in check and don’t think you’re more important than you are.
  2. Money and small successes often inflate people’s heads, so don’t let a raise or a win change how you treat others; be respectful and empathetic to everyone.
  3. Stay grounded by accepting feedback, checking on friends who are struggling without trying to fix them, and remembering you’re never above honest work.
Ronin’s Newsletter 24 implied HN points 15 Dec 25
  1. Ronin Wallet got a fresh look and simpler onboarding with big Fund, Swap, Send, and Receive buttons plus other UI tweaks for both mobile and browser. These changes make the app easier to use and navigate.
  2. Ronin integrated Onramper to offer many more fiat-to-RON onramps, supporting 175+ payment options like MoonPay and GrabPay. This makes buying RON faster and available in more regions, but fees and KYC will vary by provider.
  3. Ronin Wallet now supports Solana deposits and cross-chain swaps, so you can manage SOL and move assets between Ronin and Solana from the same wallet. It also connects with other chains (Ethereum, Base, Arbitrum, BNB Chain, Polygon) to simplify multi-chain portfolio management.
CalculatedRisk Newsletter 47 implied HN points 04 Nov 25
  1. House prices compared to incomes are important to track, but income data often comes out late and can be misleading. It's tricky to decide which income figures to use for accurate comparisons.
  2. The median household income increased to $83,730 in 2024, showing growth from the previous year. This change can affect how we view housing affordability.
  3. Currently, house prices are still high compared to historical averages, which means buying a home might be more expensive than usual. They're not far from the peaks seen during the housing bubble.
Rings of Saturn 29 implied HN points 06 Dec 25
  1. The GameCube port removed several advanced graphics features from the original Xbox build, leaving rougher visuals and an inconsistent framerate compared to the technical demo of the Xbox version.
  2. Entering the player name GASTON or IDKFA triggers an undocumented cheat that starts on the world map, unlocks every stage, enables a Cheat Menu, and grants $99 to buy all cheats.
  3. The hidden cheat was found by inspecting emulator memory and reverse-engineering the game (tracing a case-insensitive string compare to cheat logic), and IDKFA is a clear nod to Doom’s famous cheat while GASTON’s reference is unknown.
Better Engineers 19 implied HN points 18 Jul 24
  1. Avoid common mistakes like leaving commented code and using hardcoded values. These habits can help make your code cleaner and more reliable.
  2. Develop strong code review skills to give helpful feedback and improve your team's coding practices. This will also help you grow as a developer.
  3. Focus on scalability by breaking down large features into smaller tasks and using modern tools and concepts. This approach will make your projects easier to manage as they grow.
Musings on Markets 779 implied HN points 07 Nov 22
  1. Corporate governance focuses on how companies are run and who gets to make decisions. It's important because when management and shareholder interests do not align, it can result in poor decisions that harm the company.
  2. Facebook's stock has dropped significantly because of issues like the slowdown in online advertising and reputational damage. These challenges highlight the need for better governance to adapt to changing market conditions.
  3. Investors often give up their voting power when companies use dual-class shares, which can limit their ability to influence management. This trend can make it harder to make necessary changes when a company's leadership is not effective.