Live: Artemis II Launch Day Updates

714 apitman 2026-04-01 17:43:40 UTC nasa.gov Llama Share 663

The Artemis II mission has successfully deployed the Orion spacecraft's solar array wings, completing a key configuration step for the mission. The spacecraft is now preparing for the perigee raise maneuver and apogee raise burn to increase its orbit and prepare for deep-space operations.

A new C++ back end for ocamlc

120 glittershark 2026-04-01 23:43:40 UTC github.com/ocaml Llama Share 7

The suggestion cannot be applied due to various reasons including no code changes, viewing a subset of changes, and pull request status. It cannot be added to a batch for a single commit.

Quantum computing bombshells that are not April Fools

64 Strilanc 2026-04-02 00:43:40 UTC scottaaronson.blog Llama Share 6

Caltech and Google announced quantum computing breakthroughs, lowering overhead for fault-tolerance and Shor's algorithm. This may make Bitcoin signatures vulnerable to quantum attack sooner than expected.

EmDash – A spiritual successor to WordPress that solves plugin security

495 elithrar 2026-04-01 16:43:40 UTC blog.cloudflare.com Llama Share 351

Cloudflare's EmDash is a new, open-source CMS built on Astro, aiming to replace WordPress with a more secure, serverless, and AI-friendly platform. EmDash offers improved security, scalability, and ease of use, with features like plugin sandboxing, dynamic workers, and AI-driven content management.

DRAM pricing is killing the hobbyist SBC market

346 ingve 2026-04-01 21:43:40 UTC jeffgeerling.com Llama Share 281

Raspberry Pi increased prices for LPDDR4 RAM Pis, making high-end SBCs unaffordable for hobbyists. The hobbyist SBC market is dying due to high DRAM prices, with vendors like Radxa being the only exception.

The Claude Code Leak

13 mergesort 2026-04-02 02:43:40 UTC build.ms Llama Share 1

Claude Code's leaked source code reveals that good code isn't necessary for a successful product. The real value lies in integration and product market fit.

Fast and Gorgeous Erosion Filter

95 runevision 2026-04-01 21:43:40 UTC blog.runevision.com Llama Share 13

The user explains an erosion technique for generating virtual landscapes, which involves using a special kind of noise to produce branching gullies and ridges while allowing fast and GPU-friendly evaluation. The technique has been developed and refined over time, with various approaches and tweaks to address issues such as chaotic distortions, inconsistent gully magnitudes, and non-straight gullies.

Set the Line Before It's Crossed

42 surprisetalk 2026-04-01 23:43:40 UTC nomagicpill.substack.com Llama Share 18

To set clear boundaries, define lines and actions beforehand, and communicate them to others. Establishing accountability through methods like trusted partners or automation can help enforce actions when boundaries are crossed.

AI for American-produced cement and concrete

167 latchkey 2026-04-01 17:43:40 UTC engineering.fb.com Llama Share 109

Meta is releasing an AI model for designing concrete mixes, Bayesian Optimization for Concrete (BOxCrete), to help US producers use domestic materials. The model improves mix design speed and sustainability, reducing US reliance on imported cement.

Show HN: Git bayesect – Bayesian Git bisection for non-deterministic bugs

221 hauntsaninja 2026-04-01 17:43:40 UTC github.com/hauntsaninja Llama Share 30

git_bayesect uses Bayesian inference to identify commits introducing changes, with greedy minimisation of expected entropy and Beta-Bernoulli conjugacy. It sets priors based on commit messages and diffs to handle unknown failure rates.

Signing data structures the wrong way

82 malgorithms 2026-04-01 20:43:40 UTC blog.foks.pub Llama Share 40

Snowpack is a system that uses random, immutable 64-bit domain separators in the IDL to prevent domain separation bugs in cryptographic data. It ensures canonical encodings and guarantees that the sender and receiver agree on the type of data, making it a simple and effective solution for serialization of inputs to cryptographic functions.

Ask HN: Who is hiring? (April 2026)

214 whoishiring 2026-04-01 15:43:40 UTC news.ycombinator.com Llama Share 176

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:

Trinity Large Thinking

15 kristianp 2026-04-02 02:43:40 UTC openrouter.ai Llama Share 6

OpenRouter routes requests to best providers based on prompt size and parameters with fallbacks for uptime. It supports reasoning-enabled models showing step-by-step thinking with the reasoning parameter.

The revenge of the data scientist

111 hamelsmu 2026-04-01 20:43:40 UTC hamel.dev Llama Share 22

The data scientist role is not over, but its work has shifted from model training to experiment setup, debugging, and metric design. Data scientists still play a crucial role in evaluating AI systems and driving application-specific metrics.

Steam on Linux Use Skyrocketed Above 5% in March

11 hkmaxpro 2026-04-02 03:13:40 UTC phoronix.com Llama Share 1

Steam on Linux reached an all-time high of 5.33% market share in March 2026, a 3.1% increase from February. Windows lost 4.28% to 92.33% while macOS gained 1.19% to 2.35%.

IPv6 address, as a sentence you can remember

41 LorenDB 2026-04-01 23:43:40 UTC sentence2ipv6.tib3rius.com Full Share 45

Sentence → IPv6 Address

Show HN: Dull – Instagram Without Reels, YouTube Without Shorts (iOS)

53 kasparnoor 2026-04-01 21:43:40 UTC getdull.app Llama Share 37

A browser strips out social media features designed to keep you scrolling, offering content filters, time limits, and more on-device. It's a tool that puts you in charge of what you see, without accounts, servers, or wellness features.

InspectMind AI (YC W24) Is Hiring

0 2026-04-01 21:43:40 UTC ycombinator.com Llama Share

InspectMind AI is building an AI Plan Checker to review construction plans and find issues before building. The company is seeking a software engineer to improve accuracy and ship features quickly using AI coding agents.

Weather.com/Retro

37 typeofhuman 2026-04-02 02:43:40 UTC weather.com Llama Share 5

Northwest winds of 30-40 mph with gusts up to 60 mph are possible. This may be hazardous to light weight or high profile vehicles.

SpaceX files to go public

234 nutjob2 2026-04-01 18:43:40 UTC nytimes.com Full Share 301

Please enable JS and disable any ad blocker

The Windows equivalents of the most used Linux commands

27 elsadek 2026-04-01 22:43:40 UTC techkettle.blogspot.com Llama Share 13

Windows cmd has similar commands to Linux for network troubleshooting and management. Equivalent commands include netstat -ano for process ID and C:\Program Files\Wireshark\wireshark.exe for packet capture.

Solar Balconies Take Europe by Storm

22 lxm 2026-04-02 02:43:40 UTC hackaday.com Llama Share 6

Balcony solar installations have become popular in Germany and other parts of the world, allowing people to generate their own power and reduce their energy bills. However, some experts have raised concerns about the safety of these installations, citing the risk of electrical shock and fires, but many governments and regulatory bodies have deemed them safe with proper installation and precautions.

Ariane 6 user's manual [pdf]

49 matthieu_bl 2026-04-01 21:43:40 UTC ariane.group Llama Share 6

Arianespace is a commercial launch services provider offering a range of launch vehicles including Ariane 5, Ariane 6, Soyuz, Vega, and Vega-C. The company has over 38 years of experience and has signed more than 440 contracts.

SolveSpace (open source 2D/3D CAD) working on Windows 2000 (2025)

23 ruevs 2026-04-01 22:43:40 UTC github.com/solvespace Full Share 3

System information SolveSpace version: Operating system: Expected behavior The program open. Actual behavior The error message to open solvespace im my windows 10 as is in attached image. The vc_redist.x86.exe is installed. Additional in...

StepFun 3.5 Flash is #1 cost-effective model for OpenClaw tasks (300 battles)

149 skysniper 2026-04-01 16:43:40 UTC app.uniclaw.ai Full Share 64

A public benchmark for evaluating whether AI agents can complete real workflows. Compare model performance and cost-effectiveness on real agent tasks.

Scientists crack a 20-year nuclear mystery behind the creation of gold

60 prabal97 2026-04-01 19:43:40 UTC sciencedaily.com Llama Share 30

Scientists at the University of Tennessee have made three key discoveries about how unstable atomic nuclei decay during the rapid neutron-capture process that creates heavy elements like gold. Their findings could improve models of stellar events and predict the behavior of exotic atomic nuclei.

BurgerDisk News

10 ibobev 2026-04-02 01:43:40 UTC colino.net Llama Share 1

You've opened a web shop for the BurgerDisk and partnered with Joe's Computer Museum to distribute variations in the USA. You're also sourcing D-SUB 19 connectors for the Apple II community.

Jax's true calling: Ray-Marching renderers on WebGL

64 BenoitP 2026-04-01 19:43:40 UTC benoit.paris Llama Share 8

User is using JAX for GPU accelerated graphics rendering with Signed Distance Functions (SDF) and auto-vectorization. They're exploring its potential for higher-level DSLs and geometric algebra.

Show HN: Flight-Viz – 10K flights on a 3D globe in 3.5MB of Rust+WASM

66 coolwulf 2026-04-01 20:43:40 UTC flight-viz.com Full Share 35

Loading Flight Viz...

Escaping the Ogallala Trap

4 surprisetalk 2026-04-02 02:43:40 UTC worksinprogress.co Prefix Share 5

The Ogallala Aquifer sits under eight states and 111.8 million acres of US farmland. A windmill can lift only a few gallons per minute, useful for drinking water but useless for agricultural purposes. In the 1940s, electrification reached the Great Plains and a Colorado farmer invented center pivot irrigation, a sprinkler line on wheels that rotated around a central wellhead. The 1949 version ...