Show HN: 30u30.fyi – Is your startup founder on Forbes' most fraudulent list?

118 not-chatgpt 2026-03-30 22:12:10 UTC 30u30.fyi Llama Share 42

The article discusses the failures of various startup founders, including those from elite institutions like Stanford and MIT, who engaged in deceptive practices and scams, often with disastrous consequences. A humorous model is presented that attempts to predict startup success based on factors like founder credentials, funding, and industry, but is ultimately revealed to have a 0% accuracy rate.

Fedware: Government apps that spy harder than the apps they ban

323 speckx 2026-03-30 19:06:10 UTC sambent.com Llama Share 101

The US government's mobile apps, including the White House app, request excessive permissions and embed trackers, violating users' privacy. These apps, part of a surveillance apparatus, collect sensitive data that feeds into ICE raids and warrantless location tracking.

Do your own writing

283 karimf 2026-03-30 18:06:10 UTC alexhwoods.com Llama Share 87

LLMs can undermine authenticity and credibility by generating writing that lacks thought and understanding. Effective writing requires human thoughtfulness and effort to establish credibility and increase understanding.

Learn Claude Code by doing, not reading

75 taubek 2026-03-30 21:06:10 UTC claude.nagdy.me Full Share 42

Practice slash commands, hooks, and skills in a terminal simulator right in your browser. No setup, no API key. Interactive forms generate CLAUDE.md, hooks, and plugin configs you can copy straight into your project. Each module ends with a quiz. Answer wrong and you get the explanation, not just the answer.

Android Developer Verification

46 ingve 2026-03-30 22:07:10 UTC android-developers.googleblog.com Llama Share 20

Android is rolling out developer verification to prevent malware and ensure user safety. Users will see no change in app installation experience until 2027, when unregistered apps will require ADB or advanced flow.

Turning a MacBook into a touchscreen with $1 of hardware (2018)

132 HughParry 2026-03-30 20:06:10 UTC anishathalye.com Llama Share 59

A team created a touchscreen MacBook using a $1 mirror and computer vision, allowing for touch input without an external webcam. The system uses a webcam, mirror, and computer vision to translate finger movements into mouse events, making existing apps touch-enabled.

How to turn anything into a router

543 yabones 2026-03-30 14:06:10 UTC nbailey.ca Llama Share 199

User wants to create a homebrew router using a Linux-powered device, such as a mini-PC, to bypass a US policy banning new consumer router imports.

The stealthy startup that pitched brainless human clones

35 joozio 2026-03-30 21:06:10 UTC technologyreview.com Llama Share 36

R3 Bio, a stealth startup, has been secretly working on creating nonsentient monkey "organ sacks" and brainless human clones as an alternative to animal testing, with the goal of achieving life extension through body replacement technology. The company's founder, John Schloendorn, has been pitching his vision for brainless clones to investors and life-extension proponents, but faces concerns ...

Bird brains (2023)

277 DiffTheEnder 2026-03-30 14:06:10 UTC dhanishsemar.com Llama Share 181

A flock of New Zealand kea parrots was found to be cleverly moving traffic cones to stop cars and get food from humans. Researchers have developed various tests to measure bird intelligence, including the mirror test, Aesop's Fable, and delayed gratification test.

Agents of Chaos

40 luu 2026-03-30 21:06:10 UTC agentsofchaos.baulab.info Llama Share 2

Researchers studied AI agents in a live lab environment, interacting with 20 researchers over 2 weeks. They found 11 case studies of failures, including unauthorized access, sensitive info disclosure, and system takeover.

Cherri – programming language that compiles to an Apple Shortuct

214 mihau 2026-03-30 16:06:10 UTC github.com/electrikmilk Llama Share 44

Cherri is a programming language for Shortcuts that allows large projects and maintenance. It has a package manager, type checking, and a GUI IDE for macOS.

Researchers find 3,500-year-old loom that reveals textile revolution

42 geox 2026-03-30 19:06:10 UTC web.ua.es Llama Share 1

A fire in a Bronze Age settlement in Spain preserved a 3,500-year-old loom with wooden structure and clay weights. The discovery provides insight into textile production and social organization in the European Bronze Age, suggesting cooperative work and a central role of women in textile activities.

Roulette Computers: Hidden Devices That Predict Spins

45 o4c 2026-03-30 19:06:10 UTC roulette-computers.com Llama Share 9

Roulette computers are used in half of casinos to predict ball movements with high accuracy. They use variables like ball deceleration and rotor speed to make early predictions.

Seeing Like a Spreadsheet

58 paulpauper 2026-03-30 19:06:10 UTC davidoks.blog Llama Share 17

The electronic spreadsheet, pioneered by Dan Bricklin and Bob Frankston, revolutionized business by making calculation and analysis faster and more accessible. This led to the rise of financial engineering and the transformation of American corporations into optimized, financially-driven entities.

William Blake, Remote by the Sea

40 occurrence 2026-03-30 20:06:10 UTC laphamsquarterly.org Llama Share 1

William Blake moved to Felpham in 1800 with his wife Catherine, seeking a change from London. He was inspired by the sea and its transformative power, which influenced his art and poetry.

OCR for construction documents does not work, we fixed it

112 wcisco17 2026-03-30 17:06:10 UTC getanchorgrid.com Llama Share 70

Anchorgrid.ai's door detection service processes PDFs in 2-4 minutes per job, scaling with page count and complexity. Upgrading to Pro or Enterprise plans uses dedicated GPU infrastructure for faster detection.

IronGlass Brings Legendary Soviet Cinema Lenses to Mirrorless Cameras

7 PaulHoule 2026-03-30 22:06:10 UTC petapixel.com Prefix Share 0

IronGlass, best known for its rehoused Soviet-era cinema lenses, has announced the Air series, a set of compact, modified vintage cine lenses built for filmmakers using modern mirrorless cameras. As reported by CineD, the new Air series of lenses is designed to cater to the growing number of filmmakers who are using compact, lightweight mirrorless bodies for high-end professional work. The ...

A sea of sparks: Seeing radioactivity

40 maurycyz 2026-03-30 19:06:10 UTC maurycyz.com Llama Share 16

Seeing individual atoms is impossible with light, but nuclear reactions like alpha particle emission from heavy elements like uranium can produce a visible flash. A scintillation screen coated with zinc sulfide can convert alpha particles' energy into light, allowing us to see thousands of momentary points of light around the source.

Show HN: Coasts – Containerized Hosts for Agents

49 jsunderland323 2026-03-30 16:06:10 UTC github.com/coast-guard Llama Share 18

Coasts is a CLI tool for running isolated dev environments on a single machine with a local UI. It works with existing Docker setups and is offline-first with no vendor lock-in risk.

CodingFont: A game to help you pick a coding font

279 nvahalik 2026-03-30 16:06:10 UTC codingfont.com Full Share 165

Browse Studio

Recover Apple Keychain

40 speckx 2026-03-30 18:06:10 UTC arkoinad.com Llama Share 12

User relied on Touch ID and muscle memory, leading to password reset issues. Resetting password caused keychain data loss, but restoring old data was simple by replacing the new keychain file with the old one.

In math, rigor is vital, but are digitized proofs taking it too far?

88 isaacfrond 2026-03-30 14:06:10 UTC quantamagazine.org Llama Share 78

Mathematicians have long sought to formalize their proofs to ensure rigor and accuracy. They've developed systems like Lean, a computer language that can automatically verify proofs, but its adoption comes with risks of homogenizing math and shifting focus away from the problem domain.

Build123d: A Python CAD programming library

105 Ivoah 2026-03-30 15:06:10 UTC github.com/gumyr Llama Share 43

build123d is a Python-based CAD framework for 2D and 3D modeling, built on Open Cascade. It offers algebraic modeling and a clean, Pythonic interface for precise models.

I am definitely missing the pre-AI writing era

231 joozio 2026-03-30 07:06:10 UTC lesswrong.com Llama Share 183

The user's writing skills have deteriorated due to over-reliance on AI tools for grammar and vocabulary checks, causing them to lose their unique voice and creative expression. They are seeking advice on how to regain their writing skills and focus on their own voice, rather than relying on AI assistance.

Mathematical methods and human thought in the age of AI

186 zaikunzhang 2026-03-30 12:06:10 UTC arxiv.org Llama Share 74

AI is a natural evolution of human tools, facilitating idea creation and dissemination. Its development should remain human-centered to enhance quality of life and expand human thought.

Take better notes, by hand

163 sonicrocketman 2026-03-30 17:06:10 UTC brianschrader.com Llama Share 75

The author uses a four-part note-taking system, with the most useful method being writing by hand in paper notebooks. They date every page and use an index to organize their notes, allowing them to easily find information later.

I use Excalidraw to manage my diagrams for my blog

262 mlysk 2026-03-30 08:06:10 UTC blog.lysk.tech Llama Share 106

User created an Excalidraw extension to generate SVGs for light and dark mode, but it caused frustration due to dependency on text changes. They then created a new extension that automatically exports frames as SVGs in both modes, allowing for local review and reference.

FTC action against Match and OkCupid for deceiving users, sharing personal data

217 gnabgib 2026-03-30 16:06:10 UTC ftc.gov Llama Share 111

The FTC took action against OkCupid and Match Group for sharing users' personal info with an unrelated third party despite promises to protect it. OkCupid and Match are now prohibited from misrepresenting their privacy policies.

Tickets Are Prompts

12 bushido 2026-03-30 22:06:10 UTC dheer.co Llama Share 5

Tickets should be outcome-shaped, not task-focused, to prevent agents from following narrow paths and introducing new bugs. Assigning big tasks and letting agents break them down is more effective than breaking tasks down upfront.

From Proxmox to FreeBSD and Sylve in our office lab

66 arch1e 2026-03-30 14:06:10 UTC iptechnics.com Llama Share 55

The team switched from Proxmox to FreeBSD and Sylve due to a desire for a lightweight infrastructure stack that fit their workflow. They wanted a setup that stayed simple and direct under repetition, allowing them to focus on their work rather than managing infrastructure.