The hottest Substack posts right now

according to Hacker News
Category

Signal reflections in electronic circuits

lcamtuf’s thing • 185 HN points • 25 Nov 23
🕹 Technology Electronics Circuits
  1. Signal reflections in electronic circuits can cause echoes of previously-transmitted signals due to impedance discontinuities.
  2. Electronic signals do not propagate through wires instantly, but travel at high speeds, around 80% of the speed of light in vacuum.
  3. Matching the characteristic impedance of the transmission line to the transmitter helps avoid issues with signal reflections in high-speed digital electronics.

Yes, little AI agent, you can use my computer

Alex's Personal Blog • 65 implied HN points • 05 Dec 24
🕹 Technology Market Trends Productivity AI Software Cybersecurity Startups
  1. AI is getting better at helping us work by using computers like we do. This means we can give it commands while we work, making tasks easier and faster.
  2. There is a gap between what big tech companies say about AI and what their users experience. Many companies want AI tools, but users often find them disappointing.
  3. SaaS companies are seeing their value go up again, which is a positive sign for the tech market.

The chroniclers of the crypto collapse

The Future, Now and Then • 175 implied HN points • 19 Dec 23
💰 Finance Journalism Books Crypto Scandal Investigation
  1. Authors faced with unexpected events can choose to adjust their approach or stay true to their original vision.
  2. Different writers responded differently to the changing fortunes in the blockchain world, resulting in varied books.
  3. Michael Lewis' book about the crypto collapse did not adapt to the unfolding events and may eventually be forgotten.

You Can Earn More Money with Evergreen Content in 2023

Kristina God's Online Writing Club • 99 implied HN points • 08 Dec 22
💼 Business Earnings Content creation Digital marketing Writing
  1. Evergreen content stays relevant over time, unlike seasonal content which loses interest quickly. Creating this type of content means people will always find value in it, which is great for growth.
  2. Writing evergreen articles can lead to more earnings because platforms like Medium will promote this content more. This means you could see more traffic and revenue in the long run.
  3. Focusing on your expertise and crafting in-depth stories can help you create evergreen content. Once it gets recognized, it can keep bringing in readers and income for a long time.
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Must Learn AI Security Part 22: Machine Learning Attacks Against AI

Rod’s Blog • 39 implied HN points • 18 Oct 23
🕹 Technology Model Training AI Security Machine Learning Cybersecurity Data Privacy
  1. Machine Learning attacks against AI exploit vulnerabilities in AI systems to manipulate outcomes or gain unauthorized access.
  2. Common types of Machine Learning attacks include adversarial attacks, data poisoning, model inversion, evasion attacks, model stealing, membership inference attacks, and backdoor attacks.
  3. Mitigating ML attacks involves robust model training, data validation, model monitoring, secure ML pipelines, defense-in-depth, model interpretability, collaboration, regular audits, and monitoring performance, data, behavior, outputs, logs, network activity, infrastructure, and setting up alerts.

☞ The Garden of Computational Delights

Cabinet of Wonders • 231 implied HN points • 02 Aug 23
🕹 Technology Computing Innovation Data Digital Preservation Emerging Tech
  1. Computing goes beyond utilitarian purposes to bring delight and wonder through creative coding and simulations.
  2. The 'Garden of Computational Delights' is a collection of places that evoke fascination with web, programming, and computing.
  3. The boundaries of what fits in the 'Garden' are fuzzy, personal, and idiosyncratic, showcasing a diverse range of computer-related interests.

Confido

next big thing • 16 implied HN points • 11 Aug 25
💼 Business Investing Retail Technology Startups Finance
  1. Confido is building an AI platform for consumer brands to manage their financial operations better. It helps brands keep track of their money and improve sales forecasting.
  2. The company connects directly with many retailers and distributors, making it easier for brands to handle their finances all in one place. This should help them save time and reduce mistakes.
  3. Recent funding will allow Confido to grow its team and enhance its technology. They aim to support brands of all sizes and make financial management simpler and more effective.

LLM links, 2/12

In My Tribe • 151 implied HN points • 12 Feb 24
🕹 Technology Ethics Data AI
  1. AI can expand human capabilities and creativity by serving as a partner in various tasks.
  2. Future AI technology is predicted to have the capability to understand human emotions and subtle communications, potentially intruding on privacy.
  3. LLMs can easily be steered politically through supervised fine-tuning, highlighting the influence of human biases on these models rather than training data.

2 Data Tools to Help You Come Up With Awesome Blog Ideas in 2023

Kristina God's Online Writing Club • 99 implied HN points • 07 Dec 22
💼 Business Online Writing SEO Marketing Data Tools Content creation
  1. Google Trends can help you find what topics people are searching for. Just type in a keyword and check the related queries for new blog ideas.
  2. AnswerThePublic shows popular questions about a keyword, which you can answer in your blog. This can attract more visitors from search engines.
  3. In 2023, Medium may start paying writers for traffic coming from outside sources like Google, making it more rewarding to write content that draws readers.

AI won’t thrive in legacy interfaces

Dev Interrupted • 23 implied HN points • 26 Jun 25
🕹 Technology Workflows Software Interfaces AI Developer Tools
  1. AI needs better interfaces to work effectively. The old ways just can't keep up with how we now want to collaborate with AI.
  2. The command line is still really important for developers. It’s precise and helps focus on the entire system, but it needs to evolve to work well with AI.
  3. We need a whole new environment for developers that communicates clearly with AI. It should understand everyday language and give developers clear visibility into what AI is doing.

True Transhumanism Part 2

Extropic Thoughts • 39 implied HN points • 17 Oct 23
📖 Philosophy Transhumanism Criticism Technology Progress Perfection
  1. In transhumanism, the focus is on continual improvement, not on reaching perfection or paradise.
  2. The concept of perfection as a static state goes against the principles of transhumanism, which emphasizes perpetual progress.
  3. Critics often misinterpret transhumanism as seeking a utopia or ideal state, but in reality, transhumanists aim for continuous advancement towards 'extropia'.

Through the Ages: Apple CPU Architecture

Jacob’s Tech Tavern • 194 HN points • 30 Oct 23
🕹 Technology Hardware
  1. Apple has undergone multiple CPU architecture migrations throughout its history, showcasing a unique ability to adapt and innovate.
  2. Intel's x86 architecture dominance was driven by innovations like CPU caches, branch prediction, and superscalar architecture.
  3. The M1 chip from Apple Silicon stands out due to its specialized heterogeneous computing approach, unified memory architecture, out-of-order execution, and physical proximity of components for efficient performance.

When we lost our minds: Pt. 4 Leamer's Counsel

Erdmann Housing Tracker • 63 implied HN points • 12 Dec 24
💰 Finance Monetary Policy Economic Cycles Real Estate Housing Market
  1. Housing start numbers are key indicators of upcoming recessions. When fewer homes are being built, it's often a sign that an economic downturn is near.
  2. The Federal Reserve may have waited too long to react to a housing market that was overheating, which ultimately could have led to more severe economic issues later on.
  3. In cities with strict building regulations, rising housing prices are often due to limited supply rather than demand. This creates significant issues like rent inflation and forced migration.

Data Science Weekly - Issue 479

Data Science Weekly Newsletter • 99 implied HN points • 27 Jan 23
🕹 Technology Machine Learning Statistics Programming Artificial Intelligence Data science
  1. Exploratory programming is important for data teams. It helps them find insights rather than just building software.
  2. Most datasets are not normally distributed, and there are many tests to check this but they can be tricky to use.
  3. AI is gaining a lot of attention, similar to what crypto once had. People are questioning if it can keep that interest alive.

Middle management lessons

Logos • 39 implied HN points • 17 Oct 23
💼 Business Management Leadership Career development Workplace culture Communication
  1. Relying on your gut feeling can sometimes be better than overthinking with too much data. Sometimes common sense leads to clearer, quicker decisions.
  2. Managing upwards is key; keeping your boss informed about your work helps them understand your efforts and successes better. Regular updates are more helpful than you might think.
  3. Hard work is usually more important than just being smart. At work, showing your effort often matters more than your natural talent or intelligence.

Việt Nam và 5G

Thái | Hacker | Kỹ sư tin tặc • 199 implied HN points • 21 Jan 22
🕹 Technology Innovation Telecom
  1. Vietnam's contribution to the 5G technology development seems minimal, with no significant participation in organizations like 3GPP.
  2. Vietnamese companies like Viettel are making strides in 5G technology, but their global leadership in the field is questionable.
  3. Involvement in alliances like O-RAN can offer Vietnamese companies opportunities in the 5G space, but it doesn't necessarily establish global leadership.

Conquering the Dreaded Annual Plan

Build To Scale • 39 implied HN points • 17 Oct 23
💼 Business Planning Resources Team Dynamics Management
  1. Annual planning is crucial but understand that it's a flexible roadmap, not a rigid rulebook for the year ahead
  2. Using SWOT analysis can help identify internal strengths, weaknesses, and external opportunities, threats to guide strategic initiatives
  3. Evaluate your team's readiness to scale, recognize their strengths, weaknesses, and consider bringing in new talent as needed

RDEL #29: Besides coding, how do software engineers contribute to the agile development process?

Research-Driven Engineering Leadership • 19 implied HN points • 12 Feb 24
🕹 Technology Engineering Agile development Software Leadership Research
  1. Software engineers in Agile development contribute beyond just coding.
  2. Non-technical tasks such as process improvement, goal setting, and meeting attendance are crucial for software engineers in Agile development.
  3. Engineers play a vital role in correctly scoping, communicating, and completing projects in Agile development processes.

Welcoming Shopify as a Ladybird sponsor

awesomekling • 246 HN points • 28 Jun 23
🕹 Technology Open Source Innovation Web Development
  1. Shopify has become the first corporate sponsor of the Ladybird browser project with a generous $100,000 USD donation.
  2. The Ladybird browser project aims to reintroduce diversity into the browser market by creating an independent browser from scratch, free of 3rd party code.
  3. The support from Shopify signifies a significant vote of confidence in the Ladybird project and its team.

Quality Engineering Basics: Debugging

QUALITY BOSS • 19 implied HN points • 12 Feb 24
🕹 Technology Quality Assurance Debugging Development Tools User Experience Software Testing
  1. Debugging is like being a detective; you need to find clues to solve the problem in the software. Understanding how or when a bug happens can help get it fixed faster.
  2. A good bug report includes details like when the bug occurs and what steps to reproduce it. The more information you provide, the easier it is for developers to understand and fix the issue.
  3. Trying different methods and tools can help uncover more about the bug. For example, using different browsers or versions of software can help pinpoint what's causing the problem.

The Authority of the Algorithms

The Digital Anthropologist • 19 implied HN points • 12 Feb 24
🕹 Technology Artificial Intelligence Algorithms Data Society Ethics
  1. Algorithms are deeply integrated into our daily lives, impacting everything from music to job applications, showing both benefits and risks.
  2. Algorithms, designed by humans, are gaining authority in society, prompting questions about ethical guidelines and accountability for their creators.
  3. Concerns about algorithms creating a bland, uniform world are present, but societal values and human creativity may prevent dystopian outcomes.

Follow-up on Fashion Industry Pricing Trends: A Data Score Interview with Flywheel

The Data Score • 19 implied HN points • 12 Feb 24
💼 Business Fashion
  1. Flywheel Digital noted increased promotional activities in the US fashion industry in January 2024 compared to the previous year, with more products on discount and a higher sell-out rate.
  2. Certain retailers like Levi's and H&M increased their promotional aggressiveness, while others like Macy's and Nike opted for less discounting activity in January 2024.
  3. The data suggests that fashion retailers were cautious with new product launches in January 2024, possibly to avoid overstock situations experienced during the previous holiday season.

Unicorn Projects

Polymathic Being • 65 implied HN points • 01 Dec 24
💼 Business Best Practices Systems Thinking Innovation Process Optimization Project management
  1. Many teams believe their projects are special or unique, but this mindset can lead to mistakes because they ignore proven methods that could help them succeed.
  2. Looking for what’s common between projects instead of focusing on differences can help teams use best practices more effectively, leading to better outcomes.
  3. True innovation happens when teams recognize common problems and find areas that actually need new solutions, rather than chasing after the idea of uniqueness.

Building Applications with LLMs

Sunday Letters • 79 implied HN points • 19 Mar 23
🕹 Technology AI Software Development Engineering Open Source
  1. GPT-4 can do amazing things, but it has limitations because it mainly rearranges data. That makes it hard to create complex programs with just one function.
  2. The Semantic Kernel was developed to add more features like memory and procedural control, allowing for better application building with LLMs.
  3. There's a focus on creating a library of common skills and connectors for tools, which can help developers build richer experiences using familiar services.

B-Schools Show Transatlantic Divide

Surfing the Future • 19 implied HN points • 12 Feb 24
💼 Business Education Sustainability
  1. FT Global MBA Rankings show a transatlantic divide in B-Schools' focus on sustainability, with EU schools topping ESG and Net Zero rankings.
  2. Wharton and Harvard Business School are top B-Schools overall but rank low in ESG and Net Zero, raising questions about the future curriculum focus.
  3. The lack of emphasis on ESG and Net Zero in top US B-Schools compared to top EU B-Schools hints at a trans-Atlantic gap in business education priorities.

The rise and fall of the iPod

Jon’s Newsletter • 119 implied HN points • 23 Oct 22
🕹 Technology Product Design Innovation Business strategy Digital Media Consumer Electronics
  1. The iPod was a game-changer for Apple, helping them emerge as a major player in the music industry and aiding in the company's recovery from financial struggles.
  2. Apple's focus on design and simplicity helped the iPod stand out, making it appealing and easy to use compared to other MP3 players at the time.
  3. Over time, the iPhone replaced the iPod, showing how one successful product can lead to the rise and fall of another, and the iPod's legacy continues in Apple's current offerings.

Quality time

The Uncertainty Mindset (soon to become tbd) • 79 implied HN points • 05 Apr 23
💼 Business Branding Marketing Trends Consumer behavior Innovation
  1. To find out what's new and important in products, look at meta-influencers. They help spot future trends better than big influencers who have a large following.
  2. Quality means different things to different people. It changes over time as new product features and consumer interests evolve.
  3. Watch the patterns among consumers to identify emerging groups that care about similar quality markers. This will help you understand potential future market segments.

Beyond RAG: Building a Knowledge Management System That Enhances Rather Than Replaces Thought

Nick Savage • 56 implied HN points • 02 Jan 25
🕹 Technology Knowledge Management Artificial Intelligence Digital Tools Information Systems Human-computer interaction
  1. Using digital tools for note-taking can be helpful, but you can lose some benefits of physical notes, like seeing related ideas together. It's important to find ways to keep those surprising connections.
  2. AI tools can automate parts of knowledge management, but they might not always help you understand the content better. Personal processing and making connections should still be done by humans.
  3. The goal of a good knowledge management system is to enhance your own insights and understanding. Tools should help organize, but the learning and connecting of ideas should still come from you.

"The next Silicon Valley" will be in Northern California

Alex Ghiculescu's Newsletter • 270 implied HN points • 07 May 23
💼 Business Innovation Startups Entrepreneurship Economy Technology
  1. The idea of creating the next Silicon Valley is popular but often misses the mark, leading to wasted efforts and resources.
  2. American university culture of studying away from home fosters entrepreneurship and collaboration, providing valuable lessons for business success.
  3. Silicon Valley's success was built on a focus on building great products and making money, rather than just creating jobs or regional innovation.

Switching to a dumb phone (sort of)

Rahul’s Newsletter • 39 implied HN points • 16 Oct 23
🕹 Technology Smart Devices Tech accessories Operating Systems Mobile Phones Digital detox
  1. Experimenting with using a basic phone instead of a smartphone to reduce screen time and regain focus.
  2. Comparison of features and trade-offs between an iPhone and a basic Nokia phone for different user needs.
  3. Challenges and benefits of transitioning to a basic phone, like missing out on certain apps but gaining better focus and less distraction.

Noah Smith, I Don't Buy The Comparative Advantage Argument

Am I Stronger Yet? • 141 implied HN points • 17 Mar 24
🕹 Technology Economics Future implications AI Artificial Intelligence Workforce
  1. Economic models based on comparative advantage may not hold in a future dominated by AI.
  2. The argument that people will always adapt to new jobs due to comparative advantage overlooks issues like lower quality work by humans compared to AI and transactional overhead.
  3. In a world with advanced AI, confident predictions based on past economic principles may not fully apply, raising questions about societal implications and the role of humans.

Hsieh, Moretti, Shiller, and the Rest: Part 3

Erdmann Housing Tracker • 168 implied HN points • 04 Jan 24
💰 Finance Rent Inflation Home Prices Housing Market Real Estate
  1. The rise in home prices is mainly due to obstruction of urban housing rather than urban productivity.
  2. High urban rents have increased nationally post-2008 due to federal lending policies lowering housing production everywhere.
  3. Rising rents explain almost all of the increase in home prices, with excess rent accounting for a significant portion of residential real estate value.

When we lost our minds: Pt. 2 Respecting the Timeline

Erdmann Housing Tracker • 63 implied HN points • 10 Dec 24
💰 Finance Market Analysis Real Estate Economic Trends Housing Market
  1. Home prices in cities like Phoenix and Las Vegas showed clear patterns before and after the 2008 housing crisis. They experienced a boom, then a downturn when lending tightened.
  2. During the crisis, low-tier home prices dropped more than high-tier prices. This happened because many poor families couldn't afford housing and had to move around or suffer from rising rents.
  3. Areas like Miami and Tampa had different dynamics, with more separation in low-tier prices before the crisis. They faced ongoing housing shortages, causing continual price increases even after the market correction.