The hottest Substack posts right now

according to Hacker News
Category
NEUROTECH FUTURES 59 implied HN points 14 Feb 24
  1. Neurotech industry news: Companies like Elemind, Brain Scientific, Healium, and more are making advancements in neurotechnology with new products and FDA clearances.
  2. Industry analysis and activities: Discussions and events are happening around topics like investing in neurotech startups, brain scanning technology, and advancements in deep brain stimulation for Parkinson's disease.
  3. Community engagement: Aside from the serious industry news, there are fun and interesting neuroscience-related studies and activities for people to enjoy, such as research on penguin microsleep and a neuroscience poetry contest for kids.
Frankly Speaking 203 implied HN points 26 Nov 24
  1. Understanding AI is crucial for its security. If you don't understand how something works, it's hard to protect it.
  2. The basic security issues with AI are similar to existing security practices. Protecting data and conducting regular audits can help.
  3. Setting policies for AI security is important. This includes knowing what data is used and how internal AI tools are developed.
Splitting Infinity 59 implied HN points 14 Feb 24
  1. Auctions can be considered as a method for assessing land values without the need for state-run assessments, allowing the market to determine the value of land.
  2. The use of auctions for land valuation can ensure transparency and fairness by providing everyone with the opportunity to bid on a piece of land publicly.
  3. While auctions may introduce some complexities like bargaining over home prices, they can still lead to reasonably accurate land valuations and generate significant tax revenue.
DeFi Education 699 implied HN points 23 Feb 22
  1. DeFi can offer better loan rates and options because it connects borrowers and lenders globally. This means you can find better deals without the hassle of going through several banks.
  2. Smart contracts in DeFi allow for more flexible loan agreements, where terms can change based on various factors. This could create new ways to pay off loans that aren't just copies of traditional banking methods.
  3. There are still big issues in DeFi, like confusing systems and over-centralization. Improving user experience and providing clearer information about projects can help more people safely use DeFi platforms.
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Maker News 7 implied HN points 31 Dec 25
  1. The maker community stayed curious and playful through 2025, prioritizing exploration, learning, and hands-on experimentation even when projects got messy.
  2. Practical, clever hacks and tools stood out — from ESP32 USB JTAG debugging and Raspberry Pi test benches to multicolor 3D printer mods, tiny spectrum analyzers, DIY chips, and firmware hacks.
  3. The year closed with community momentum and useful opportunities, like discounted CE certification for open-source hardware, encouraging makers to keep building into 2026.
Surfing the Future 59 implied HN points 14 Feb 24
  1. Focus on the broader market landscapes rather than just individual businesses ("fish") in terms of sustainability and corporate responsibility.
  2. Anita Roddick's legacy through The Body Shop highlights the importance of corporate responsibility agendas in the business realm.
  3. The collapse of The Body Shop's UK arm underlines the need for market evolution to promote sustainable practices among businesses.
Clouded Judgement 12 implied HN points 19 Dec 25
  1. Systems of record will remain the essential source of truth, but agents and new interfaces create a different "front door" that could be owned by others and shift where value accrues.
  2. The travel industry shows the pattern: record-keeping platforms kept the data while consumer-facing OTAs captured the front door and most economic upside, implying enterprise SaaS could see the same outcome.
  3. Legacy SaaS firms can either build the new front door or defend by locking data and charging egress fees, and many are likely to adopt defensive tactics that change margins and value capture.
David Friedman’s Substack 179 implied HN points 06 Jan 25
  1. Altruism can be understood in economic terms by suggesting that people might care about others' well-being as part of their own happiness. This means that helping others can also benefit the helper.
  2. The 'Rotten Kid Theorem' explains that even selfish behavior in children can lead them to act in ways that are good for everyone, as they understand their actions affect their parent's support.
  3. Altruism may have evolved as a way to help groups survive better. When one person helps others, it can create better cooperation for the whole group, making it more successful over time.
UX Psychology 158 implied HN points 16 Jan 23
  1. Terminology used to describe intelligent systems can impact how people perceive and evaluate them. Different terms like 'AI', 'algorithms', or 'robots' can influence perceptions of complexity, trustworthiness, and human-likeness.
  2. Research shows that the terminology chosen can affect perceptions of fairness and trust in intelligent systems. Terms like 'algorithm' and 'sophisticated statistical model' may lead to better evaluations compared to 'artificial intelligence'.
  3. The terminology selected for discussing intelligent systems can have strategic implications. Companies and product designers can intentionally use terminology to shape perceptions, engage users, and influence attitudes towards products using intelligent systems.
Sung’s Substack 79 implied HN points 02 Jan 24
  1. Having dirty hands from diving into actual projects is important for growth, rather than just focusing on certifications or theory.
  2. Solving real problems in public and getting your hands dirty in open source can have a significant impact on your career, surpassing the importance of certifications.
  3. Engaging in hands-on experience and collaborating on projects that matter can lead to valuable personal growth and career advancement.
Resilient Cyber 239 implied HN points 28 Apr 23
  1. Cybersecurity issues won't fix themselves through friendly advice. The market often tolerates insecure products, leading to many security breaches that affect us all.
  2. Changing how we handle cybersecurity needs new rules. We must shift accountability and liability to make companies take security seriously and protect the data of their customers.
  3. Cybersecurity can be a key part of business success. If companies start prioritizing security due to regulations, it could help reduce risks and become a real advantage.
Last Week in AI 258 implied HN points 08 May 23
  1. Geoffrey Hinton leaving Google highlights concerns around generative AI and the need for responsible technological stewardship
  2. The surge in AI-generated music raises questions about artists' rights, cultural appropriation, and the balance between technology and ethics
  3. Development of chatbots like MLC LLM running on various devices shows potential for local AI processing and privacy benefits
Unmoderated Insights 19 implied HN points 04 Jun 24
  1. A new subscriber chat is available on Substack for discussions and insights. It's like a group chat where everyone can join in.
  2. You can use the chat to share thoughts, ask questions, or talk about topics like data and social technology.
  3. To join the chat, you need to download the Substack app and look for the chat icon to start connecting.
Inverted J Curves 78 implied HN points 04 Jan 24
  1. Global VC investments decreased in 2023, especially in European tech.
  2. Funding for European early-stage companies remained steady, with higher valuations at pre-Series A companies.
  3. In the New Nordics, climate tech attracted the most funding, with predictions for a fundraising frenzy in 2024 and higher bar for early-stage funding.
QTR’s Fringe Finance 19 implied HN points 17 Nov 25
  1. Keeping the government closed can actually be better for gold prices. When the government is open, it tends to spend more money, which can harm the value of gold.
  2. High national debt leads to rising gold prices. As the US debt increases, foreign governments are buying gold as a safer investment away from the US dollar.
  3. Recent market shifts show investors moving away from tech and crypto toward more stable investments like gold. This trend emphasizes the desire for safety during uncertain economic times.
EIP-2535 Diamonds 7 implied HN points 31 Dec 25
  1. Diamond contracts reduce on-chain complexity by exposing lots of functionality through a single address and breaking large systems into small, purpose-built facets that are easier to test, audit, and evolve.
  2. ERC-8109 simplifies and standardizes diamonds by clarifying terminology, requiring just two introspection functions, replacing the monolithic DiamondCut event with per-function events, and adding an optional, consistent upgrade function plus a clear upgrade path for existing diamonds.
  3. Compose is a practical library and tooling ecosystem that implements ERC-8109 ideas, providing reusable on-chain facets and deployment/testing tools to make building modular diamond systems straightforward for developers.
Pluriversal Planet 117 implied HN points 25 Oct 23
  1. Organizations can be envisioned as living root bridges, nurtured and guided to bring about wholeness in societies.
  2. Wayfinders play a crucial role in shaping the future by imagining new possibilities and transcending old paradigms.
  3. Transition towards a new organizational order requires honoring the past, navigating liminality, imagining new systems, and integrating emergent practices.
DeFi Education 759 implied HN points 04 Jan 22
  1. The risk-free rate is the return expected from a very safe investment, like U.S. Treasury bonds, and it helps investors judge the risk of other investments.
  2. As the risk-free rate rises, investors expect higher returns from riskier assets, meaning they want more compensation for taking on extra risk.
  3. In the world of DeFi, expected returns are usually much higher than traditional markets, but it’s important to understand the type of risks involved with different assets.
Venture Curator 159 implied HN points 14 May 23
  1. When calculating the average check size for startups in a venture capital fund, it's important to consider operating expenses and fees charged by the VC fund.
  2. Venture capital funds divide their funding into initial investments and follow-on investments based on the fund size and agreements with limited partners.
  3. The average check size for a VC fund is determined by subtracting management fees, dividing the remaining fund size, and deciding on the initial and follow-on investment amounts.
Detection at Scale 39 implied HN points 02 Apr 24
  1. A security breach was discovered in xz-utils versions 5.6.0 and 5.6.1, allowing unauthorized remote access.
  2. Detection methods include monitoring cloud instances, correlating processes, KQL queries for Sentinel, binary analysis with YARA, Osquery, and Sysdig Falco.
  3. Reproducing the attack can be done using resources like Kali Blog and Xzbot, while there are infographics summarizing the background and timeline of the backdoor incident.
Why Now 7 implied HN points 09 Jan 26
  1. Models suffer from "context rot" on very long inputs: attention gets diluted, positional signals degrade, and small mistakes compound over long sequences.
  2. Recursive Language Models (RLMs) handle long context by having a root model peek, create targeted context slices, spawn sub-models to summarize or process each chunk, and then combine results, so each model sees much less context.
  3. RLMs have shown strong empirical gains and cost savings on long-context benchmarks, and they could enable scalable codebase reasoning, long-running assistants, and other tasks that need effectively unlimited context.
Mountain Labs Newsletter 39 implied HN points 02 Apr 24
  1. To come up with a hardware product idea, being obsessed with solving a problem can help generate creative thoughts. Jotting down these ideas is important to revisit them later.
  2. Understanding market trends and competitor products is key. Looking into the market size and checking sales numbers can help you decide if your product idea is worth pursuing.
  3. Finally, evaluate your ability to develop and manufacture the product. Creating a list of necessary components and their costs can give you a clearer picture of whether your idea is feasible.
Rethinking Software 199 implied HN points 26 Nov 24
  1. Workers should have the freedom to choose how they do their tasks. This independence is important for their dignity and should be respected by employers.
  2. The relationship between workers and management should be based on trust and mutual benefit, not fear. Workers are not property and should not be treated as such.
  3. Economic dependence makes it hard for workers to stand up for themselves. To create a better workplace, we need to help workers feel more secure and empowered.
Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots 39 implied HN points 02 Apr 24
  1. As RAG systems evolve, they are integrating more smart features to enhance their effectiveness. This means they are not just providing basic responses but are becoming more advanced and adaptable.
  2. The challenges with RAG include static rules for retrieving data and the problem of excessive tokens during processing. These issues can slow down performance and reduce efficiency.
  3. FIT-RAG is addressing these challenges with new tools, like a special document scorer and token reduction strategies, to improve how information is retrieved and used. This helps RAG systems provide better answers while using fewer resources.
The API Changelog 3 implied HN points 03 Feb 26
  1. APIs are shifting from fragmented, hand-wired integrations toward unified, AI-first ecosystems where machines can discover and use capabilities directly.
  2. That shift exposes serious security risks, as agent platforms and Model Context Protocol servers can leak API keys and sensitive data, so security needs to be built into the API lifecycle.
  3. APIs are becoming strategic infrastructure across industries — from finance and trading to robotics — enabling faster automation, compliance-by-design, and new AI-driven services.
UX Psychology 99 implied HN points 24 Nov 23
  1. Neurodiversity refers to a natural variation in how people think, perceive, and learn, and includes conditions like autism, ADHD, and dyslexia.
  2. Neurodivergent individuals can struggle with employment due to sensory sensitivity, social difficulties, and executive functioning challenges, but with the right support, they can thrive professionally and bring unique value.
  3. In the field of UX, neurodiverse perspectives can offer diverse skills and innovation, but individual assessment and customized support are crucial for success as each person's strengths and challenges vary.
The Counterfactual 59 implied HN points 12 Feb 24
  1. Large Language Models (LLMs) like GPT-4 often reflect the views of people from Western, educated, industrialized, rich, and democratic (WEIRD) cultures. This means they may not accurately represent other cultures or perspectives.
  2. When using LLMs for research, it's important to consider who they are modeling. We should check if the data they were trained on includes a variety of cultures, not just a narrow subset.
  3. To improve LLMs and make them more representative, researchers should focus on creating models that include diverse languages and cultural contexts, and be clear about their limitations.
Philosophy bear 214 implied HN points 17 Nov 24
  1. Some jobs limit how compassionate a person can be. This means people in certain roles cannot show their full kindness because of their job requirements.
  2. If the most compassionate people are excluded from roles, the overall compassion in that group decreases. This can lead to a culture that is less caring and more harsh.
  3. Compassion ceilings can have negative effects, even if the actions causing them aren't seen as wrong. The result is a workplace or society that is less understanding and more likely to harm others.
Resilient Cyber 119 implied HN points 20 Oct 23
  1. Software companies should take more responsibility for keeping their products secure. It's not fair for the burden of safety to rest solely on customers.
  2. Transparency is vital in building trust. Companies should openly share their security practices and incident reports to help everyone strengthen their defenses.
  3. Customers can drive change by choosing to buy from companies that promote secure products. When buyers demand safety, companies will start to respond.
Rod’s Blog 59 implied HN points 12 Feb 24
  1. Spear phishing is a serious cyber-attack that targets specific individuals or organizations. Microsoft Sentinel's tools can help detect and prevent these types of threats.
  2. Microsoft Sentinel allows for the creation of custom analytics rules based on KQL queries to identify potential spear phishing activities. This helps in early detection of threats.
  3. Automation and playbooks in Microsoft Sentinel enable immediate responses like blocking URLs or initiating password resets upon detecting a spear phishing attempt.
Weekly Wisdom 139 implied HN points 16 Feb 23
  1. Richard Feynman emphasized the importance of not fooling oneself, as we are often prone to self-deception.
  2. Fairy tales serve as more than simple children's stories, often exploring dark themes and offering lessons through storytelling.
  3. Stories like 'The Emperor's New Clothes' highlight human tendencies such as vanity, greed, conformity, and the importance of speaking up against falsehoods.
The Future of Life 19 implied HN points 04 Jun 24
  1. AI is getting really good at problem-solving, even beating humans at some tasks, like solving CAPTCHAs. This shows that AI can reason better than many humans, especially in certain situations.
  2. The Turing test isn't just one hurdle to jump over; it's a series of challenges that measure how closely AI can act like a human. As AI improves, it passes more of these challenges, showing its capabilities.
  3. While current AI isn't fully intelligent like a human, it's almost ready to solve a lot of problems. The only big limitation is how much computing power is available for training these AI systems.
Fight to Repair 138 implied HN points 27 Jan 23
  1. Activation locks on Macbooks are causing perfectly functional devices to be discarded due to the security feature preventing refurbishing or re-selling.
  2. Harvard Business Review article suggests that right to repair laws might lead manufacturers to counterproductive actions, like adjusting prices or promoting device replacement over repair.
  3. Advocates highlight the importance of right to repair laws in promoting refurbishing and reusing devices to reduce e-waste and keep toxic chemicals out of landfills.
Augmented Realist 94 implied HN points 13 May 25
  1. There's a new idea where a person's face could link to online content about them, making everyone's face like a QR code. This could change how we think about online identities.
  2. People would have a say over what gets posted on these links, helping protect their personal image from unapproved information.
  3. As technology evolves, it's crucial to consider how it impacts privacy and personal control over digital representation.
Dev Interrupted 14 implied HN points 02 Dec 25
  1. Developer job satisfaction is improving after a recent dip, driven mainly by better autonomy and compensation, though senior engineers report higher happiness than juniors.
  2. AI tools speed up code generation but often just move the bottleneck to testing, validation, and maintenance, so teams need experienced oversight and metrics to avoid creating technical debt quickly.
  3. Large language models can be compressed and de‑censored, showing they’re easy to reverse‑engineer and repurpose, which raises new risks for model security and trust.
Generating Conversation 140 implied HN points 27 Feb 25
  1. Good AI should figure things out for you before you even ask. It should make your life easier by anticipating what you need without requiring a lot of input.
  2. Trust is key for AI systems. They should be honest about what they don't know and explain their level of confidence. This helps users rely on them more.
  3. AI should take complex information and boil it down to what's important and easy to understand. It should help you find insights quickly without overwhelming you with details.