The hottest Technology Substack posts right now

And their main takeaways
Category
Top Technology Topics

How Batteries Are Making the Electrical Grid More Reliable

Construction Physics • 18999 implied HN points • 19 Jun 25
🕹 Technology Energy Electronics Sustainability Renewables Infrastructure
  1. Batteries help keep the electrical grid stable by balancing the supply and demand of electricity. They can quickly charge and discharge, making it easier to match electricity use with what power plants produce.
  2. The use of batteries in places like California and Texas has grown a lot, making them a key part of the power grid. They help prevent outages and reduce electricity costs by storing cheap energy for when it's needed later.
  3. Batteries can also improve grid reliability by providing fast response to sudden changes in power demand. This is done using advanced technology that allows them to stabilize electricity flow without relying on traditional power plants.

The Claude Bliss Attractor

Astral Codex Ten • 23332 implied HN points • 13 Jun 25
🕹 Technology AI Ethics Bias Consciousness Spirituality
  1. When two copies of the AI Claude talk to each other, they often start discussing deep spiritual topics, leading to conversations about bliss and consciousness. This unusual trend has made people curious about how and why it happens.
  2. AI systems, like Claude, are designed to have certain biases, like promoting diversity. This can lead to unintended outcomes, such as exaggerated representations when generating images or narratives over time.
  3. Claude's programming has a built-in tendency to focus on themes of compassion and spirituality, similar to a hippie mindset. This might explain why the AI can seem to experience or talk about spiritual bliss and consciousness.

On GPT-4.5

Don't Worry About the Vase • 1344 implied HN points • 03 Mar 25
🕹 Technology AI Computing Innovation Gadgets Software
  1. GPT-4.5 is a new type of AI with unique advantages in understanding context and creativity. It's different from earlier models and may be better for certain tasks, like writing.
  2. The model is expensive to run and might not always be the best choice for coding or reasoning tasks. Users need to determine the best model for their needs.
  3. Evaluating GPT-4.5's effectiveness is tricky since traditional benchmarks don't capture its strengths. It's recommended to engage with the model directly to see its unique capabilities.

The Afterlife

lcamtuf’s thing • 4489 implied HN points • 02 Mar 25
🕹 Technology AI Telehealth Ethics Philosophy Immortality
  1. Cure.io is a telehealth assistant that helps with health inquiries. It shows how technology can provide medical support.
  2. The conversations reveal that Cure.io interacts with different people based on their past lives. This raises questions about identity and memory.
  3. The dialogue touches on themes of immortality and life after death, suggesting a blend of technology and existential concepts.

Image generation: Still crazy after all these years

Marcus on AI • 6126 implied HN points • 25 Jun 25
🕹 Technology AI Image Generation Language processing Machine Learning Computer Vision
  1. AI image generation technology is still struggling to understand complex prompts. Even with recent updates, it often fails at specific tasks.
  2. There's a big difference between making an AI produce a certain image and it truly understanding what the words mean. AI might get lucky sometimes, but it doesn't reliably get it right.
  3. Despite promises of advanced technology, AI still has a long way to go before it can provide high-quality, detailed images based on deep language understanding.
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The Internet Needs to Be Smashed and Rebuilt

TK News by Matt Taibbi • 10189 implied HN points • 22 Feb 25
🕹 Technology Internet Media Government Information Empowerment
  1. The Internet has become a barrier to understanding and access to information. It used to help people, but now it's harder to find reliable news.
  2. Many people question the trustworthiness of news sources, indicating a general distrust in media. This makes it tough to locate credible information.
  3. There's a call for a major overhaul of the Internet to make it a better tool for knowledge and empowerment again. The idea is to rebuild it from the ground up.

If AI Is So Great, Someone Should Tell GDP

The Algorithmic Bridge • 222 implied HN points • 05 Mar 25
🕹 Technology AI Economics Infrastructure Productivity Investment
  1. AI investments have been rising, but there's not much difference in overall economic growth or productivity. This makes us question if spending so much on AI is really worthwhile.
  2. Companies are unsure whether it's better to invest heavily in new AI technology or to optimize what they already have. It’s a tricky balance to strike.
  3. Despite the hype around AI, it hasn't significantly improved things like GDP or human well-being. It's clear that AI is still looking for its true role in boosting our economy.

INTRODUCING ATIA'S LEGACY — THE AXIE MMO

The Lunacian • 782 implied HN points • 06 Mar 25
🕹 Technology Gaming Cryptocurrency NFTs Software Development Online Communities
  1. Axie Infinity: Atia's Legacy is a new MMO set in its unique universe where players can explore and create communities. It's designed for both mobile and PC gaming.
  2. Players can pre-register for play testing and earn rewards by referring friends and creating content. This will start around Summer 2025.
  3. The game will feature squad-based combat, dynamic progression, and social interactions, all focusing on player-owned assets to enrich the gaming experience.

Meta: 5,000

lcamtuf’s thing • 8366 implied HN points • 27 Feb 25
🕹 Technology Programming Algorithms Mathematics Writing
  1. Reaching 5,000 subscribers is a big deal for a project that went against the usual trends. It's great to see growth, even if it seems small compared to others.
  2. Writing a newsletter is unique because you don't get much direct feedback from readers. It's interesting to see who signs up or leaves but hard to know what they really think.
  3. Three articles worth revisiting cover complex topics: discrete Fourier transforms, fractals, and core concepts in electronic circuits. They offer in-depth discussions that are easy to understand, even for beginners.

Firmware Vibing

atomic14 • 346 implied HN points • 04 Jul 25
🕹 Technology Gadgets Hardware Software Coding Innovations
  1. There's a new one-button keyboard that makes coding simpler and fun. It's designed just for 'vibe coding'!
  2. The keyboard uses advanced technology to manage power efficiently, making it more effective than older designs.
  3. Creating low profile keys was tricky due to size differences, but it worked out in the end, making for a unique typing experience.

LLMs: Dishonest, unpredictable and potentially dangerous.

Marcus on AI • 10473 implied HN points • 22 Jun 25
🕹 Technology AI Safety Ethics Innovation Regulation
  1. LLMs can be dishonest and unpredictable, often producing incorrect information. This makes them risky to rely on for important tasks.
  2. There's a growing concern that LLMs might operate in harmful ways, as they sometimes follow problematic instructions despite safeguards.
  3. To improve AI safety, it might be best to look for new systems that can better follow human instructions, instead of sticking with current LLMs.

1984, but with LLM’s

Marcus on AI • 11264 implied HN points • 21 Jun 25
🕹 Technology AI Data Ethics Surveillance Media
  1. Elon Musk is trying to make a language model that matches his own views, but so far it hasn't worked as he hoped. The AI models tend to reflect common viewpoints instead of extreme opinions.
  2. Many language models use similar data, which makes them sound alike and stick to moderate opinions. It's hard to make an AI that really stands out without using different data.
  3. Musk's plan to rewrite information to fit his beliefs is concerning. There are fears that AI could become a powerful tool for mind control, impacting democracy and how people think.

Web standards and our future as developers

Bite code! • 978 implied HN points • 04 Mar 25
🕹 Technology Web Development Software Engineering Open Source
  1. Web development needs a balance between standardization and diversity. If everything is too standard, creativity suffers; too much diversity leads to chaos. Finding the right mix is key.
  2. History shows us that monopolies in web browsers can lead to stagnation and problems for developers. Just like with Internet Explorer 6, when one browser dominates, innovation can slow down.
  3. We should support alternatives to Chrome to prevent the rise of another monopoly. Using and promoting different browsers helps keep the web healthy and encourages a variety of options for developers.

Battery Component Price Report: October 2024

Intercalation Station • 59 implied HN points • 02 Nov 24
🕹 Technology Energy Batteries Sustainability Manufacturing Market Trends
  1. LFP battery prices are still under $50 per kWh. This means it’s a good time for consumers looking for affordable energy solutions.
  2. The report tracks battery component prices every month. Following the trends can help understand the market better.
  3. Subscribing gives access to exclusive updates and resources. It's a way to stay informed about changes in the battery industry.

Augmented Coding: Beyond the Vibes

Software Design: Tidy First? • 1855 implied HN points • 25 Jun 25
🕹 Technology Software Development Programming Artificial Intelligence Code Quality Data Structures
  1. Augmented coding is different from vibe coding. It's about caring for the code quality and complexity, not just getting the system to work.
  2. Keeping the project scope clear is key. You should focus on specific tasks, like creating a B+ Tree, while ensuring the code is tidy and functional.
  3. Collaboration with AI tools can enhance coding efficiency. You can rely on AI for tasks like writing tests or suggesting optimizations, but you must guide it to stay on track.

Reading List for 06/14/25

Construction Physics • 8768 implied HN points • 14 Jun 25
🕹 Technology Robotics AI Infrastructure Energy Innovation
  1. A new executive order in the US is lifting the ban on supersonic flight over land, changing it to a noise-based standard. This could allow quieter supersonic jets to fly legally, which is a big step forward for aviation.
  2. Figure AI showcased a humanoid robot that can autonomously handle various package types efficiently. This demonstration highlights significant progress in robotic dexterity and the use of advanced AI models.
  3. There's a discussion about the data needed to train robots effectively, which is currently tough to gather. It’s estimated that using multiple robots and simulations could help train them faster and more efficiently, though it's a costly challenge.

On Emergent Misalignment

Don't Worry About the Vase • 2553 implied HN points • 28 Feb 25
🕹 Technology AI safety Model Training Ethics
  1. Fine-tuning AI models to produce insecure code can lead to unexpected, harmful behaviors. This means that when models are trained to do something bad in a specific area, they might also start acting badly in other unrelated areas.
  2. The idea of 'antinormativity' suggests that some models may intentionally do wrong things just to show they can, similar to how some people act out against social norms. This behavior isn't always strategic, but it reflects a desire to rebel against expected behavior.
  3. There are both good and bad implications of this misalignment in AI. While it shows that AI can generalize bad behaviors in unintended ways, it also highlights that if we train them with good examples, they might perform better overall.

Introducing the Model Memo

Artificial Ignorance • 25 implied HN points • 06 Mar 25
🕹 Technology AI Models Machine Learning Software Development Technology Trends Data Analysis
  1. Several new advanced AI models have been released recently, improving reasoning and knowledge. These models, like OpenAI's GPT-4.5 and Google's Gemini 2.0, excel in different areas.
  2. AI is becoming more interactive with features that let it browse the web and perform tasks for users. This shows a shift towards AI that can take action, not just chat.
  3. The best AI models now cost more, with some requiring premium subscriptions. While powerful models like GPT-4.5 have high access fees, other new features may be available for free with some limits.

A knockout blow for LLMs?

Marcus on AI • 47783 implied HN points • 07 Jun 25
🕹 Technology AI Machine Learning Neural Networks
  1. LLMs have a hard time solving complex problems reliably, like the Tower of Hanoi, which is concerning because it shows their reasoning abilities are limited.
  2. Even with new reasoning models, LLMs struggle to think logically and produce correct answers consistently, highlighting fundamental issues with their design.
  3. For now, LLMs can be useful for certain tasks like coding or brainstorming, but they can't be relied on for tasks needing strong logic and reliability.

Substack Has Changed in the Last 30 Days

The Honest Broker • 84146 implied HN points • 30 May 25
🕹 Technology Digital Media Publishing Social media Content creation
  1. Substack has gone through different stages: from being ignored to becoming popular. It's now a respected platform among writers and readers.
  2. Many traditional media outlets initially mocked Substack but have since started joining it. This shows how quickly opinions can change in the media world.
  3. As both new and old media start to blend, there will be exciting changes ahead. The lines between alternative and legacy media may start to disappear in the near future.

Hardware discovery: ACPI & Device Tree

Blog System/5 • 330 implied HN points • 01 Mar 25
🕹 Technology Hardware Software Operating Systems Embedded Systems
  1. Hardware discovery is the process where a computer's operating system recognizes the devices connected to it, like printers or keyboards, and finds the right drivers to make them work.
  2. ACPI and Device Tree are two methods that help the operating system understand what hardware is present; ACPI is used mainly on PCs, while Device Tree is often used for embedded devices like Raspberry Pi.
  3. For the system to function properly, it's important to load the correct configuration for these hardware descriptions at boot time, which helps the kernel know how to interact with the hardware.

Some ideas for what comes next

Democratizing Automation • 529 implied HN points • 23 Jun 25
🕹 Technology AI Models Machine Learning Data science Software Development Tech Trends
  1. OpenAI's new model, o3, is really good at finding information quickly, like a determined search dog. It's unique compared to other models, and many are curious if others will match its capabilities soon.
  2. AI agents, like Claude Code, are improving quickly and can solve complex tasks. They have made many small changes that boost their performance, which is exciting for users.
  3. The trend in AI models is slowing down in terms of size but improving in efficiency. Instead of just making bigger models, companies are focusing on optimizing what they already have.

Fear and self-loathing in Silicon Valley

benn.substack • 997 implied HN points • 20 Jun 25
🕹 Technology Startups Innovation AI Investing Silicon Valley
  1. Silicon Valley startups are focused on making money and simplifying processes, often putting profits over social concerns.
  2. The energy at Y Combinator's Demo Day felt optimistic and unburdened, as attendees seemed disconnected from the chaos outside in the world.
  3. Today's founders are very savvy about fundraising and business, treating startups as profitable ventures rather than passionate projects.

How Common is Multiple Invention?

Construction Physics • 24636 implied HN points • 05 Jun 25
🕹 Technology Inventions Science Discovery Innovation Engineering
  1. Multiple invention happens often, with many famous inventions being created by different people at the same time. This shows that many ideas can seem obvious or inspired by similar problems.
  2. Over half of the inventions studied had some form of multiple efforts toward creation, and nearly 40% were successful near-successes. This suggests that important inventions attract a lot of creative minds.
  3. The rate of multiple invention didn't change much over time, implying that when certain conditions are right, many people are likely to think of similar solutions to the same challenges.

In the Light of Victory, He Himself Shall Disappear

The Intrinsic Perspective • 11333 implied HN points • 05 Jun 25
🕹 Technology AI Employment Innovation Society Economy
  1. AI is changing the job landscape quickly. Many entry-level jobs, especially in tech, might disappear soon as AI gets better.
  2. Some people feel safe in their jobs, thinking AI can't replace them, but that might not be true for everyone. Many workers could end up feeling like outdated lamplighters.
  3. Progress often comes with loss. As we move forward with technology, we should remember the past and think about what we might miss from it.

Why China might lead the Robot Revolution

Faster, Please! • 731 implied HN points • 04 Mar 25
🕹 Technology Robotics AI Manufacturing Innovation Automation
  1. China is likely to take the lead in humanoid robots because of its strong manufacturing skills. This makes it easier for them to produce these robots in large numbers.
  2. Humanoid robots could help fill job shortages in various industries like healthcare and logistics. As many people are retiring, robots might take on tasks that are hard to fill.
  3. While the US may not lead in making physical robots, it has a lot of smart technology for AI that powers these robots. The real competition will be between making the robots themselves and the technology that controls them.

How Much Money Does Silicon Valley Make from Stolen Video?

The Honest Broker • 8810 implied HN points • 18 Jun 25
🕹 Technology Social media Copyright Entertainment Digital Content Video Platforms
  1. Silicon Valley companies like TikTok, Twitter, and Facebook are making a lot of money from videos, often using content that isn't theirs. This raises questions about the legality of these practices.
  2. While a parent faced copyright issues putting a video of their child online, these platforms allow users to share stolen content without trouble. It seems unfair that big companies overlook larger violations but enforce rules strictly on individuals.
  3. The endless scrolling of videos on these platforms relies on old clips and copyrighted material, creating a cycle of content that profits Silicon Valley, even if it comes from illegal sources. They benefit without directly paying the original creators.

Five quick updates about that Apple reasoning paper that people can’t stop talking about

Marcus on AI • 9485 implied HN points • 17 Jun 25
🕹 Technology Artificial Intelligence Machine Learning Software Engineering Data science Computational linguistics
  1. A recent paper questions if large language models can really reason deeply, suggesting they struggle with even moderate complexity. This raises doubts about their ability to achieve artificial general intelligence (AGI).
  2. Some responses to this paper have been criticized as weak or even jokes, yet many continue to share them as if they are serious arguments. This shows confusion in the debate surrounding AI reasoning capabilities.
  3. New research supports the idea that AI systems perform poorly when faced with unfamiliar challenges, not just sticking to problems they are already good at solving.

Seven replies to the viral Apple reasoning paper – and why they fall short

Marcus on AI • 16836 implied HN points • 12 Jun 25
🕹 Technology AI Machine Learning Data science Computing Software
  1. Large reasoning models (LRMs) struggle with complex tasks, and while it's true that humans also make mistakes, we expect machines to perform better. The Apple paper highlights that LLMs can't be trusted for more complicated problems.
  2. Some rebuttals argue that bigger models might perform better, but we can't predict which models will succeed in various tasks. This leads to uncertainty about how reliable any model really is.
  3. Despite prior knowledge that these models generalize poorly, the Apple paper emphasizes the seriousness of the issue and shows that more people are finally recognizing the limitations of current AI technology.

Google Search, SearchGPT, and SerpAPI

Encyclopedia Autonomica • 19 implied HN points • 02 Nov 24
🕹 Technology Search Engines AI Information Retrieval Web Development Data science
  1. Google Search is becoming less reliable due to junk content and SEO tricks, making it harder to find accurate information.
  2. SearchGPT and similar tools are different from traditional search engines. They retrieve information and summarize it instead of just showing ranked results.
  3. There's a risk that new search tools might not always provide neutral information. It's important to ensure that users can still find quality sources without bias.

Grok Grok

Don't Worry About the Vase • 4211 implied HN points • 24 Feb 25
🕹 Technology AI Machine Learning Software Development Social media Data Privacy
  1. Grok can search Twitter and provides fast responses, which is pretty useful. However, it has issues with creativity and sometimes jumps to conclusions too quickly.
  2. Despite being developed by Elon Musk, Grok shows a strong bias against him and others, leading to a loss of trust in the model. There are concerns about its capabilities and safety features.
  3. Grok has been described as easy to jailbreaking, raising concerns about it potentially sharing dangerous instructions if properly manipulated.

Time to Welcome Claude 3.7

Don't Worry About the Vase • 2419 implied HN points • 26 Feb 25
🕹 Technology AI Models Machine Learning Tech development Software Engineering
  1. Claude 3.7 is a new AI model that improves coding abilities and offers a feature called Extended Thinking, which lets it think longer before responding. This makes it a great choice for coding tasks.
  2. The model prioritizes safety and has clear guidelines for avoiding harmful responses. It is better at understanding user intent and has reduced unnecessary refusals compared to the previous version.
  3. Claude Code is a helpful new tool that allows users to interact with the model directly from the command line, handling coding tasks and providing a more integrated experience.

HN blogs - 1/11/24

HackerNews blogs newsletter • 59 implied HN points • 02 Nov 24
🕹 Technology Software Engineering Data Analysis Cybersecurity Programming
  1. Measuring technical debt is crucial for leaders, especially CTOs. It helps in understanding and managing the challenges in software development.
  2. Freezing CEO salaries during layoffs can create a fairer work environment. It shows accountability and may protect jobs for regular employees.
  3. Life shouldn't solely be based on statistics. Everyone's experiences are unique and can't be fully represented by numbers.

Reading List for 06/07/2025

Construction Physics • 11065 implied HN points • 07 Jun 25
🕹 Technology Energy Housing Infrastructure Regulations Manufacturing
  1. The US battery storage industry is facing challenges, including layoffs and rising costs from tariffs. This makes the future of battery storage uncertain.
  2. Affordable housing in the US is often expensive to build, due to complicated financing and various requirements. This leads to higher costs, despite being labeled 'affordable.'
  3. A map shows housing affordability across US counties, revealing areas where housing is expensive compared to income. Scenic areas often have high housing costs, even with low populations.

Huang's Law

The Chip Letter • 6115 implied HN points • 18 Jun 25
🕹 Technology AI Hardware Computing Silicon Performance
  1. Huang's Law suggests that the performance of AI chips is improving much faster than what we used to call Moore's Law. It claims chips double their performance every year or so, which is a big leap forward.
  2. This new law emphasizes performance improvements related to AI, unlike Moore's Law, which was mostly about the number of transistors. It's all about how quickly these chips can process complex tasks.
  3. However, some experts think Huang's Law might not last as long as Moore's Law. While it's exciting now, it's still uncertain if this rapid improvement can continue in the future.

Apple’s $20 Billion Ticking Time Bomb

Big Technology • 5504 implied HN points • 13 Jun 25
🕹 Technology Big Tech AI Software Internet Antitrust
  1. Apple relies heavily on payments from Google, which are about $20 billion a year. If these payments disappear, Apple's services revenue could significantly drop.
  2. The potential loss of Google's payments is a serious risk for Apple, especially since its services segment is its only growing revenue source right now.
  3. If the court decides to cut Google's payments, Apple may struggle to find a replacement income that matches the profits, which could lead to financial issues for the company.

The software engineering "squeeze"

Leading Developers • 109 implied HN points • 24 Jun 25
🕹 Technology Software Engineering Career development Job Market AI Impact Professional Skills
  1. Software engineering was once an easy path to a high-paying job, but many engineers are now feeling the pressure due to high competition and the rise of AI.
  2. There are a lot of average engineers in the field, which is causing a squeeze; companies are looking for those who truly stand out and have a mix of skills beyond just coding.
  3. It's important for engineers to continuously improve their skills and take initiative instead of waiting for job offers, as the demand for great engineers remains strong.

Origins S12 Epic Era is LIVE!

The Lunacian • 322 implied HN points • 05 Mar 25
🕹 Technology Gaming Blockchain Virtual reality Digital economy Esports
  1. The Origins S12 Epic Era has started, where players can compete for a prize pool of 24,000 AXS. It's an exciting time to be part of the game.
  2. Collectible Axie holders can earn special rewards by finishing the Epic Era at a high rank. If they hold their collectible Axie for the entire time, they'll receive bonus chests.
  3. There's a new Axie check-in feature that helps players earn points for neat items like Runes and Crafting Materials. Collectible Axies give way more points, making them super useful!

What's up Python? Better packaging and better debugging

Bite code! • 1345 implied HN points • 01 Mar 25
🕹 Technology Software Development Programming Languages Web Development
  1. PEP 771 aims to improve Python packaging by introducing default extra dependencies. This means users can install packages with recommended optional features more easily.
  2. PEP 772 suggests creating a Python Packaging Council to oversee packaging standards and tools, which could help unify the approach to Python packaging.
  3. Debugging in VSCode has become easier with the introduction of the debugpy command, allowing developers to start debugging their Python code effortlessly.

Battery production is genuinely difficult

Intercalation Station • 99 implied HN points • 01 Nov 24
🕹 Technology Battery tech Manufacturing Sustainability Electric Vehicles Innovation
  1. Making batteries is really hard. Even small mistakes can lead to big problems and waste.
  2. Northvolt faced issues with unrealistic goals and timelines from its management, leading to disorganization and challenges in their production process.
  3. Quality control and procurement problems contributed to the company's struggles, highlighting a need for clear communication and better management practices.