a42z — knowledge hub

Trending & Newsworthy (9 stories) 9

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bookofjoe2026-06-28↑ 338 comments

Hengefinder's launch and its 33 points with 8 comments indicate a significant interest in the tech community, making it a noteworthy story.

Deriving the SVD (Single Value Decomposition) from scratch

pcael2026-06-28↑ 303 comments

Deriving the SVD from scratch is a substantial technical achievement that could impact AI and ML development, warranting attention from the audience.

How information theory saved my word game

jamwise2026-06-28↑ 186 comments

The application of information theory to a word game, with 18 points and 6 comments, showcases a unique problem-solving approach worth exploring.

Homemade Transistor from Cadmium Sulfide Photocell (2009)

thenthenthen2026-06-29↑ 72 comments

The homemade transistor from a Cadmium Sulfide Photocell, although from 2009, represents an innovative DIY electronics project that could inspire new makers and engineers.

Structural Correctness

stuartaxelowen2026-06-29↑ 170 comments

Structural Correctness, with 17 points, touches on a critical aspect of software development that is highly relevant to the audience's interests in coding and engineering.

Segmenting Robot Video into Actionable Subtasks

tomaspduarte2026-06-29↑ 142 comments

Segmenting Robot Video into Actionable Subtasks has implications for robotics and AI, making it a valuable read for those interested in machine learning advancements.

Loko Scheme 0.13.0

azhenley2026-06-30↑ 223 comments

Loko Scheme 0.13.0's release, with 22 points, indicates a significant update in the Scheme programming language ecosystem that developers should be aware of.

Show HN: C++, Java and C# light-weight-logger

PenguineDavid2026-06-30↑ 100 comments

The C++, Java, and C# light-weight-logger, although lacking comments, presents a useful tool for engineers working in these languages, enhancing their development workflow.

Newly discovered spider builds spring loaded snare to catch ants

chimpanzee2026-06-28↑ 191 comments

The discovery of a spider building a spring-loaded snare, with 19 points, while not directly tech-related, can inspire biomimicry in engineering and robotics, a field of growing interest.

No sections.

AI Strategy 1

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75% of executives ADMIT their AI strategy is "more for show" than actual guidance. Writer's 2026 enterprise survey. 2,400 respondents. Bas…

@mardehaym2026-07-01

❤️ 24 🔄 17

AI Workloads 1

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What actually executes AI workloads on Ritual? Executors. Executors are TEE-powered compute nodes that perform delegated workloads like HTT…

@Cripson012026-07-01

❤️ 12 🔄 0

AI Agents 4

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LISTEN. Every developer building RAG apps hits the same wall. I feel there are 3 major issues they face: - PDFs always remain messy. - Wo…

@KanikaBK2026-07-01

❤️ 9 🔄 2

Want to build an agent that actually works in production? Most AI agents don't fail because of the model. They fail because of a poor harne…

@sigoEgwey2026-07-01

❤️ 1 🔄 0

Building an AI agent workflow is easy. Keeping it running in production is the hard part. Real workflows do not finish in a single executi…

@runtools_ai2026-07-01

❤️ 1 🔄 0

@jpmorgan's investment research team just shared exactly how they built their multi-agent system "Ask David". Ask David (or Ask D.A.V.I.D.)…

@theAIsailor2026-07-01

❤️ 0 🔄 0

AI Adoption 4

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Dario Amodei, CEO of Anthropic: "AI could eliminate 50% of all entry-level white-collar jobs in the next one to five years." Engineers …

@DAIEvolutionHub2026-07-01

❤️ 3 🔄 1

Retail investors usually get stuck with lagging indicators, while institutions play with a stacked deck. But @RAFA_AI is changing that by b…

@DynamoK812026-07-01

❤️ 4 🔄 0

India's startup funding story just changed. 🇮🇳 Startups raised $7.2B in H1 2026 (+12% YoY), but the number of deals fell 43%. 💰 Bigger cheq…

@TiceNews2026-07-01

❤️ 1 🔄 0

U.S. layoffs cooled sharply in June, falling 53% from May to 45,849. Tech continues to dominate job cuts, with AI driving nearly one-third o…

@Econoday2026-07-01

❤️ 0 🔄 0

AI Tools 3

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I built a bot traffic tracker for @DataFast_ 🤖 It shows what crawlers and AI assistants do on your website: ✨ ChatGPT / Claude fetching pa…

@marclou2026-07-01

❤️ 64 🔄 1

🛠️ Agentic AI tools you should actually know — with the market numbers behind them 🔥 ✅ GitHub Copilot — 90% Fortune 100 adoption. 55% faste…

@TrionovaTech2026-07-01

❤️ 1 🔄 0

I built my personal website with Next.js 14 and Tailwind. Not because they're trendy. Because I wanted AI crawlers to actually understand my…

@punditpahpah2026-07-01

❤️ 0 🔄 0

AI Regulation 3

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🤖 AI Briefing — July 1, 2026 1. 🏛️ 𝗔𝗻𝘁𝗵𝗿𝗼𝗽𝗶𝗰 𝗚𝗲𝘁𝘀 𝗖𝗹𝗮𝘂𝗱𝗲 𝗙𝗮𝗯𝗹𝗲 𝟱 𝗕𝗮𝗰𝗸 𝗧𝗵𝗿𝗼𝘂𝗴𝗵 𝘁𝗵𝗲 𝗘𝘅𝗽𝗼𝗿𝘁-𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗚𝗮𝘁𝗲 The Commerce Department blinked, but …

@marcopapa992026-07-01

❤️ 2 🔄 0

TO WATCH: Two frontier labs, two government gates, in one month. Anthropic pulled Claude Fable 5 on a federal export order, then got it bac…

@rain__trade2026-07-01

❤️ 1 🔄 0

Daily AI News Digest: Claude 5 Ban Lifted, GPT-5.6 Government Access, Gemini 3.5 Pro Delayed, and Alphabet's Historic Raise - visit https://…

@Best_AI_ORG2026-07-01ArtificialIntelligenceAINewsClaude5

❤️ 1 🔄 0

AI Talent 3

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Hiring ‼️ 💻 Backend Developer Intern 📍 Remote 💼 Internship | Paid Tobams Group is looking for a Backend Developer Intern to join our engin…

@BenoHr804632026-07-01

❤️ 1 🔄 0

The FAANG playbook everyone optimizes for is quietly being replaced Been reading through a few takes on where tech hiring is actually headi…

@iqtauhid2026-07-01

❤️ 1 🔄 0

🚨 Meta has reportedly restricted some employees from using rival AI tools like Anthropic Claude Code and OpenAI Codex over concerns about AI…

@Rishu97172026-07-01MetaAIAnthropic

❤️ 0 🔄 0

AI Research 1

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A Systematic Approach to Multi-Agent AI from Advanced Regulatory Control Theory: Safe and Auditable LLM Operator Agents for Process Control …

@SystemsAndCtrl2026-07-01

❤️ 0 🔄 0

Other 5

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🔌 Stop overpaying for Claude and OpenAI. Claude 2x + Fable access — $20 Retail price: $40. Claude 5x Max + Fable access — $50 Retail price…

@BrotherMKT2026-07-01

❤️ 9 🔄 8

Our skies are being systematically poisoned. This is not speculation; it is an atmospheric war orchestrated and executed by global elites, t…

@aprajitanefes2026-07-01

❤️ 5 🔄 2

My month with AI: June 2026 Edition At work: - Updated my workshop platform (Aside) & reworked guides - Ran the second Build with AI wo…

@nixxin2026-07-01

❤️ 7 🔄 0

🚀 Top 200 AI Interview Questions 🤖 Artificial Intelligence Basics Question 1: What is Artificial Intelligence AI, and how does it differ …

@gudanglifehack2026-07-01

❤️ 3 🔄 0

With a timechain no total hijack of an AI's self-model is possible, it takes many turns to compromise a block (making all jailbreaks low-thr…

@MuseRhymes2026-07-01

❤️ 1 🔄 0

Last week 17

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Charts of the Summer: Featuring Deel

Andreessen HorowitzAndreessen Horowitz2026-06-30vc

The Future of AI Inference

Radical VenturesRadical Ventures2026-06-30vc

5 More AI Predictions For The Year 2030

Radical VenturesRadical Ventures2026-06-30vc

The 2026 Summer Reading List

Andreessen HorowitzAndreessen Horowitz2026-06-29vc

The Inference Era Is Here: Backing AI Fabrik From Inception

Mayfield FundMayfield Fund2026-06-29vc

The Enterprise AI Reset – Issue #35

Mayfield FundMayfield Fund2026-06-27vc

Meet the a16z Design Engineer Fellows

Andreessen HorowitzAndreessen Horowitz2026-06-26vc

Charts of the Week: Cycles, different but the same

Andreessen HorowitzAndreessen Horowitz2026-06-26vc

Command Zero is betting big on AI-native defense compressing response time

Insight PartnersInsight Partners2026-06-26vc

The Math Stopped Mathing: How AI Is Changing Startup Sales

Madrona Venture GroupMadrona Venture Group2026-06-26vc

NASA’s Artemis II Mission

Andreessen HorowitzAndreessen Horowitz2026-06-25vc

Investing in Netris

Andreessen HorowitzAndreessen Horowitz2026-06-25vc

The Rebel Alliance

Union Square VenturesUnion Square Ventures2026-06-25vc

Investing in Mirendil

Andreessen HorowitzAndreessen Horowitz2026-06-24vc

How AI is rebuilding America’s primary care system

Insight PartnersInsight Partners2026-06-24vc

Rebuilding Enterprise Software for the Agentic Era: Hang Ten Systems

Mayfield FundMayfield Fund2026-06-24vc

Keeping The Front Door of Healthcare Open: Our Investment in Assort Health

Menlo VenturesMenlo Ventures2026-06-24vc

Last month 27

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The World-Building Doors Are Open, Again.

Andreessen HorowitzAndreessen Horowitz2026-06-23vc

Investing in Probook

Andreessen HorowitzAndreessen Horowitz2026-06-23vc

Menlo Turns 50 and Announces $3B in Fresh Capital to Go ALL IN on AI

Menlo VenturesMenlo Ventures2026-06-23vc

Partnering with Probook: AI for the Trades

Sequoia CapitalSequoia Capital2026-06-23vc

Consumer Rebellion

Union Square VenturesUnion Square Ventures2026-06-23vc

Impeccable by Design

Andreessen HorowitzAndreessen Horowitz2026-06-22vc

How to Win a Space War

Andreessen HorowitzAndreessen Horowitz2026-06-22vc

Investing in Prosper AI

Andreessen HorowitzAndreessen Horowitz2026-06-22vc

On to the Next Bottleneck: What Product & Engineering Leaders Told Us About AI in Software Development

Madrona Venture GroupMadrona Venture Group2026-06-22vc

Announcing Upscale AI’s $190M Series A-1

Mayfield FundMayfield Fund2026-06-22vc

Radical Reads: The Rise of NeoLabs

Radical VenturesRadical Ventures2026-06-22vc

Fomo

Union Square VenturesUnion Square Ventures2026-06-22vc

Meet the second cohort of a16z New Media Fellows

Andreessen HorowitzAndreessen Horowitz2026-06-19vc

The Rise of NeoLabs

Radical VenturesRadical Ventures2026-06-19vc

New Media, One Year In

Andreessen HorowitzAndreessen Horowitz2026-06-18vc

Introducing the a16z Talent Engineer Fellowship

Andreessen HorowitzAndreessen Horowitz2026-06-18vc

Harnessing Agentic Marketing for the Enterprise: Gradial’s Series C Fundraise

Madrona Venture GroupMadrona Venture Group2026-06-18vc

Frontier No More?

Madrona Venture GroupMadrona Venture Group2026-06-18vc

Investing in Telepatia

Andreessen HorowitzAndreessen Horowitz2026-06-17vc

Investing in Convey

Andreessen HorowitzAndreessen Horowitz2026-06-17vc

Uneven Frontiers

Andreessen HorowitzAndreessen Horowitz2026-06-17vc

How Skyflow ends the false choice of block or unblock for Agent data

Insight PartnersInsight Partners2026-06-17vc

How Trustmi uses AI to make sure every dollar goes where it should

Insight PartnersInsight Partners2026-06-17vc

The a16z CFO Community

Andreessen HorowitzAndreessen Horowitz2026-06-16vc

How Tamnoon is tackling the cloud security backlog with autonomous remediation

Insight PartnersInsight Partners2026-06-16vc

The next generation of analytics: Why we invested in Golden Analytics

Insight PartnersInsight Partners2026-06-16vc

The Readiness Gap: The Future of Jobs

Mayfield FundMayfield Fund2026-06-16vc

Older 78

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The Late-Mover Advantage in AI Applications

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

The AI Stack Is Consolidating. But the Hard Problems Are Elsewhere

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

Insights By Accel

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

SaaS Playbook: Learning from the Practitioners and Building a Community

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

Benchmarks Are Broken: 5 Operator Metrics Every AI Exec Should Track

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

All Insights

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Autodesk enters into an agreement to buy MaintainX for $3.6B

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Celebrating Moveworks + ServiceNow on their agreement to be acquired

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Crusoe’s Climb: Betting on Power Before AI Was Cool

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Legora raises Series D to build the world's first collaborative AI for lawyers.

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Research

Battery VenturesBattery Venturesvcdate-unverified

Case Studies

Battery VenturesBattery Venturesvcdate-unverified

The 75-Year-Old Payroll Problem—And Our Investment in Warp

Battery VenturesBattery Venturesvcdate-unverified

Our Investment in Triomics

Battery VenturesBattery Venturesvcdate-unverified

What It Takes to Build, Scale and Sell in the AI Era: Four Insights from AI✦NY 2026

Battery VenturesBattery Venturesvcdate-unverified

Building robotics businesses set to scale