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Tech

Show HN: AI Subroutines – Run automation scripts inside your browser tab

We built AI Subroutines in rtrvr.ai. Record a browser task once, save it as a callable tool, replay it at: zero token cost, zero LLM inference delay, and zero mistakes. The subroutine itself is a deterministic script composed of discovered network ca

Tech

VC Ron Conway says he has a ‘rare form of cancer’

Conway wrote that he “will be stepping back from some of my usual activities,” but he will “continue to support” founders backed by his firm SV Angel.

Tech

AI chip startup Cerebras files for IPO

In recent months, the company announced an agreement with Amazon Web Services to use Cerebras chips in Amazon data centers, as well as a deal with OpenAI reportedly worth more than $10 billion.

Tech

Young sons of U.S. marshal ride horseback from Oklahoma to New York (2018)

Article URL: https://texascooppower.com/the-astonishing-ride-of-the-abernathy-boys/ Comments URL: https://news.ycombinator.com/item?id=47818704 Points: 21 # Comments: 5

Tech

Thoughts and feelings around Claude Design

Article URL: https://samhenri.gold/blog/20260418-claude-design/ Comments URL: https://news.ycombinator.com/item?id=47818700 Points: 8 # Comments: 1

Tech

Traders placed over $1B in perfectly timed bets on the Iran war

Article URL: https://www.theguardian.com/world/2026/apr/18/iran-war-bets-ethics-concerns Comments URL: https://news.ycombinator.com/item?id=47818305 Points: 57 # Comments: 51

Tech

Headless Everything for Personal AI

Article URL: https://interconnected.org/home/2026/04/18/headless Comments URL: https://news.ycombinator.com/item?id=47817902 Points: 12 # Comments: 2

Tech

4-bit floating point FP4

Article URL: https://www.johndcook.com/blog/2026/04/17/fp4/ Comments URL: https://news.ycombinator.com/item?id=47817639 Points: 6 # Comments: 1

Tech

Graphs That Explain the State of AI in 2026

Article URL: https://spectrum.ieee.org/state-of-ai-index-2026 Comments URL: https://news.ycombinator.com/item?id=47817581 Points: 32 # Comments: 22

Tech

Rail: A self-hosting language that speaks TLS alone

Article URL: https://github.com/zemo-g/rail Comments URL: https://news.ycombinator.com/item?id=47817555 Points: 5 # Comments: 1

Tech

The USDA's gardening zones have shifted. (Interactive app and map) (2024)

Article URL: https://apps.npr.org/plant-hardiness-garden-map/ Comments URL: https://news.ycombinator.com/item?id=47817179 Points: 48 # Comments: 5

Tech

UpCodes (YC S17) Is Hiring SDRs to Help Make Construction More Productive

Article URL: https://up.codes/careers?utm_source=HN Comments URL: https://news.ycombinator.com/item?id=47817473 Points: 0 # Comments: 0

Tech

The USDA's gardening zones have shifted. (Interactive app and map)

Article URL: https://apps.npr.org/plant-hardiness-garden-map/ Comments URL: https://news.ycombinator.com/item?id=47817179 Points: 26 # Comments: 1

Tech

The electromechanical angle computer inside the B-52 bomber's star tracker

Article URL: https://www.righto.com/2026/04/B-52-star-tracker-angle-computer.html Comments URL: https://news.ycombinator.com/item?id=47817132 Points: 52 # Comments: 12

Tech

Opus 4.7 to 4.6 Inflation is ~45%

Article URL: https://tokens.billchambers.me/leaderboard Comments URL: https://news.ycombinator.com/item?id=47816960 Points: 187 # Comments: 171