Hacker News on Tuesday, 1 July 2025

The Fed says this is a cube of $1M. They're off by half a million(calvin.sh)

1406 points by c249709 1 year ago | 525 comments

A blog post by Calvin Liang counting the bills in a Federal Reserve display cube claimed to hold $1M, using a custom dot counter tool, and finding a discrepancy.

Writing Code Was Never the Bottleneck(ordep.dev)

626 points by phire 1 year ago | 309 comments

Blog post arguing that writing code was never the bottleneck in software engineering; reviews, knowledge transfer, testing, and coordination are.

Figma files for proposed IPO(figma.com)

485 points by kualto 1 year ago | 223 comments

Figma blog announcement that the company has publicly filed an S-1 registration statement with the SEC for a proposed initial public offering.

Cloudflare to introduce pay-per-crawl for AI bots(blog.cloudflare.com)

437 points by scotchmi_st 1 year ago | 230 comments

Cloudflare blog post announcing pay per crawl, a feature letting content owners charge AI crawlers for access to their sites.

Show HN: Spegel, a Terminal Browser That Uses LLMs to Rewrite Webpages(simedw.com)

406 points by simedw 1 year ago | 177 comments

Blog post introducing Spegel, a proof-of-concept terminal web browser that passes HTML through an LLM and renders the result as markdown in the terminal.

Fakespot shuts down today after 9 years of detecting fake product reviews(blog.truestar.pro)

382 points by doppio19 1 year ago | 253 comments

A TrueStar blog post reporting that Fakespot, the fake product review detection service, shuts down after nine years.

OpenFLOW – Quickly make beautiful infrastructure diagrams local to your machine(github.com)

355 points by x0z 1 year ago | 78 comments

GitHub repository for OpenFLOW, a React-based tool for quickly creating infrastructure diagrams locally on your machine.

Sam Altman Slams Meta’s AI Talent Poaching: 'Missionaries Will Beat Mercenaries'(wired.com)

313 points by spenvo 1 year ago | 633 comments

Fei-Fei Li: Spatial intelligence is the next frontier in AI [video](youtube.com)

281 points by sandslash 1 year ago | 140 comments

Ask HN: Who is hiring? (July 2025)

260 points by whoishiring 1 year ago | 293 comments

ASCIIMoon: The moon's phase live in ASCII art(asciimoon.com)

248 points by zayat 1 year ago | 77 comments

Code-GUI bidirectional editing via LSP(jamesbvaughan.com)

231 points by jamesbvaughan 1 year ago | 58 comments

Building a Personal AI Factory(john-rush.com)

217 points by derek 1 year ago | 120 comments

Feasibility study of a mission to Sedna – Nuclear propulsion and solar sailing(arxiv.org)

194 points by speckx 1 year ago | 87 comments

HN Slop: AI startup ideas generated from Hacker News(josh.ing)

189 points by coloneltcb 1 year ago | 74 comments

In a milestone for Manhattan, a pair of coyotes has made Central Park their home(smithsonianmag.com)

176 points by sohkamyung 1 year ago | 168 comments

About AI Evals(hamel.dev)

172 points by TheIronYuppie 1 year ago | 40 comments

Grammarly acquires Superhuman(reuters.com)

158 points by thm 1 year ago | 97 comments

Effectiveness of trees in reducing temperature, outdoor heat exposure in Vegas(iopscience.iop.org)

156 points by PaulHoule 1 year ago | 120 comments

Show HN: Jobs by Referral: Find jobs in your LinkedIn network(jobsbyreferral.com)

149 points by nicksergeant 1 year ago | 55 comments

Scientists identify culprit behind biggest-ever U.S. honey bee die-off(science.org)

139 points by pseudolus 1 year ago | 95 comments

Hilbert's sixth problem: derivation of fluid equations via Boltzmann's theory(arxiv.org)

137 points by nsoonhui 1 year ago | 88 comments

Converting a large mathematical software package written in C++ to C++20 modules(arxiv.org)

127 points by vblanco 1 year ago | 40 comments

Ask HN: Who wants to be hired? (July 2025)

122 points by whoishiring 1 year ago | 255 comments

Spending Too Much Money on a Coding Agent(allenpike.com)

122 points by GavinAnderegg 1 year ago | 125 comments

Caching is an abstraction, not an optimization(buttondown.com)

121 points by samuel246 1 year ago | 104 comments

Australians to face age checks from search engines(ia.acs.org.au)

115 points by stubish 1 year ago | 205 comments

Ubuntu 25.10 Raises RISC-V Profile Requirements(omgubuntu.co.uk)

115 points by bundie 1 year ago | 31 comments

Conversations with a hit man(magazine.atavist.com)

109 points by gmays 1 year ago | 8 comments

Evidence of a 12,800-year-old shallow airburst depression in Louisiana(scienceopen.com)

100 points by keepamovin 1 year ago | 52 comments

The Roman Roads Research Association(romanroads.org)

99 points by bjourne 1 year ago | 9 comments

PlanetScale for Postgres(planetscale.com)

97 points by adocomplete 1 year ago | 10 comments

An Algorithm for a Better Bookshelf(cacm.acm.org)

95 points by pseudolus 1 year ago | 13 comments

Context Engineering for Agents(rlancemartin.github.io)

94 points by 0x79de 1 year ago | 33 comments

Show HN: Core – open source memory graph for LLMs – shareable, user owned(github.com)

92 points by Manik_agg 1 year ago | 35 comments

Aging-related inflammation is not universal across human populations(publichealth.columbia.edu)

90 points by XzetaU8 1 year ago | 43 comments

Using Sun Ray thin clients in 2025(catstret.ch)

87 points by todsacerdoti 1 year ago | 27 comments

1KB JavaScript Demoscene Challenge Just Launched

86 points by babakode 1 year ago | 17 comments

The wanton destruction of a creative-tech era(blog.greg.technology)

85 points by gregsadetsky 1 year ago | 10 comments

Small language models are the future of agentic AI(arxiv.org)

84 points by favoboa 1 year ago | 35 comments

Lens: Lenses, Folds and Traversals(hackage.haskell.org)

84 points by hyperbrainer 1 year ago | 42 comments

Show HN: I built the tool I wished existed for moving Stripe between countries(stripemove.com)

79 points by felphos 1 year ago | 41 comments

Rust CLI with Clap(tucson-josh.com)

78 points by rajman187 1 year ago | 67 comments

Copper is Faster than Fiber (2017) [pdf](arista.com)

76 points by tanelpoder 1 year ago | 70 comments

Ask HN: Freelancer? Seeking freelancer? (July 2025)

74 points by whoishiring 1 year ago | 129 comments

Virtue garnish: A mental hack to short-circuit bad habits(ledgeroflife.blog)

63 points by blitzpoet 1 year ago | 27 comments

phkmalloc(phk.freebsd.dk)

59 points by fanf2 1 year ago | 7 comments

The Hoyle State (2021)(johncarlosbaez.wordpress.com)

56 points by gone35 1 year ago | 9 comments

Raphael discovery emerges from Vatican museum restoration(news.artnet.com)

55 points by andsoitis 1 year ago | 15 comments

Escher's art and computer science(github.com)

53 points by signa11 1 year ago | 9 comments

Show HN: A cross-platform terminal emulator written in Java(github.com)

52 points by sebkur 1 year ago | 18 comments

America's Hot Garbage Problem(bloomberg.com)

51 points by petethomas 1 year ago | 17 comments

We've Issued Our First IP Address Certificate(letsencrypt.org)

48 points by soheilpro 1 year ago | 2 comments

Pbf2sqlite: Reading OpenStreetMap into a SQLite Database(github.com)

47 points by amadeuspagel 1 year ago | 7 comments

Show HN: ToplingDB - A Persistent Key-Value Store for External Storage(github.com)

47 points by rockeetterark 1 year ago | 12 comments

We're all CTO now(jamie.ideasasylum.com)

47 points by fside 1 year ago | 53 comments

RP2350pc Open Source Hardware all in one computer(olimex.wordpress.com)

47 points by AlexeyBrin 1 year ago | 13 comments

Show HN: Arch-Router – 1.5B model for LLM routing by preferences, not benchmarks

45 points by adilhafeez 1 year ago | 10 comments

Show HN: HackerNewt – Breadth-first exploring HN client for iOS(apps.apple.com)

45 points by hnand 1 year ago | 23 comments

Amazon Is on the Cusp of Using More Robots Than Humans in Its Warehouses(wsj.com)

44 points by jbredeche 1 year ago | 33 comments