top 50% hacker news stories for 2025-07-21

TrackWeight: Turn your MacBook's trackpad into a digital weighing scale

https://github.com/KrishKrosh/TrackWeight

1 year ago

620 upvotes – 148 comments

UK backing down on Apple encryption backdoor after pressure from US

https://arstechnica.com/tech-policy/2025/07/uk-backing-down-on-apple-encryption-backdoor-after-pressure-from-us/

1 year ago

555 upvotes – 422 comments

AccountingBench: Evaluating LLMs on real long-horizon business tasks

https://accounting.penrose.com/

1 year ago

534 upvotes – 149 comments

Gemini with Deep Think achieves gold-medal standard at the IMO

https://deepmind.google/discover/blog/advanced-version-of-gemini-with-deep-think-officially-achieves-gold-medal-standard-at-the-international-mathematical-olympiad/

1 year ago

529 upvotes – 242 comments

Uv: Running a script with dependencies

https://docs.astral.sh/uv/guides/scripts/#running-a-script-with-dependencies

1 year ago

511 upvotes – 172 comments

What went wrong inside recalled Anker PowerCore 10000 power banks?

https://www.lumafield.com/article/what-went-wrong-inside-these-recalled-power-banks

1 year ago

504 upvotes – 295 comments

I wasted weeks hand optimizing assembly because I benchmarked on random data

https://www.vidarholen.net/contents/blog/?p=1160

1 year ago

391 upvotes – 187 comments

Writing is thinking

https://www.nature.com/articles/s44222-025-00323-4

1 year ago

330 upvotes – 128 comments

Don't bother parsing: Just use images for RAG

https://www.morphik.ai/blog/stop-parsing-docs

1 year ago

328 upvotes – 72 comments

FCC to eliminate gigabit speed goal and scrap analysis of broadband prices

https://arstechnica.com/civis/threads/fcc-to-eliminate-gigabit-speed-goal-and-scrap-analysis-of-broadband-prices.1508451/page-2

1 year ago

272 upvotes – 207 comments

We made Postgres writes faster, but it broke replication

https://www.paradedb.com/blog/lsm_trees_in_postgres

1 year ago

250 upvotes – 52 comments

New records on Wendelstein 7-X

https://www.iter.org/node/20687/new-records-wendelstein-7-x

1 year ago

243 upvotes – 108 comments

I've launched 37 products in 5 years and not doing that again

https://www.indiehackers.com/post/ive-launched-37-products-in-5-years-and-not-doing-that-again-0b66e6e8b3

1 year ago

242 upvotes – 215 comments

Log by time, not by count

https://johnscolaro.xyz/blog/log-by-time-not-by-count

1 year ago

241 upvotes – 107 comments

Positron – A next-generation data science IDE

https://positron.posit.co/

1 year ago

220 upvotes – 92 comments

Show HN: X11 desktop widget that shows location of your network peers on a map

https://github.com/h2337/connmap

1 year ago

205 upvotes – 86 comments

Mwm – The smallest usable X11 window manager

https://github.com/lslvr/mwm

1 year ago

203 upvotes – 93 comments

Occasionally USPS sends me pictures of other people's mail

https://the418.substack.com/p/a-bug-in-the-mail

1 year ago

195 upvotes – 188 comments

Erlang 28 on GRiSP Nano using only 16 MB

https://www.grisp.org/blog/posts/2025-06-11-grisp-nano-codebeam-sto

1 year ago

190 upvotes – 26 comments

Solar-plus-storage technology is improving quickly

https://www.volts.wtf/p/solarstorage-is-so-much-farther-along

1 year ago

187 upvotes – 297 comments

LetsEncrypt Outage

https://letsencrypt.status.io/

1 year ago

185 upvotes – 107 comments

Agents built from alloys

https://xbow.com/blog/alloy-agents/

1 year ago

181 upvotes – 80 comments

Shale Drillers Turn on Each Other as Toxic Water Leaks Hit Biggest US Oil Field

https://www.bloomberg.com/news/articles/2025-07-21/toxic-water-leaks-from-top-us-oil-field-ensnare-devon-dvn-in-texas-court-fight

1 year ago

179 upvotes – 66 comments

Australian anti-porn group claims responsibility for Steams new censorship rules

https://www.pcgamer.com/gaming-industry/australian-anti-porn-group-claims-responsibility-for-steams-new-censorship-rules-in-victory-against-porn-sick-brain-rotted-pedo-gamer-fetishists-and-things-only-get-weirder-from-there/

1 year ago

178 upvotes – 162 comments

Man wearing metallic necklace dies after being sucked into MRI machine

https://www.bbc.com/news/articles/cx2n39dvp0po

1 year ago

175 upvotes – 542 comments

What will become of the CIA?

https://www.newyorker.com/magazine/2025/07/28/the-mission-the-cia-in-the-21st-century-tim-weiner-book-review

1 year ago

175 upvotes – 312 comments

Geocities Backgrounds

https://pixelmoondust.neocities.org/archives/archivedtiles/backgroundsindex

1 year ago

163 upvotes – 51 comments

12ft.io Taken Down

https://www.newsmediaalliance.org/takedown-of-12ftio/

1 year ago

162 upvotes – 155 comments

Jqfmt like gofmt, but for jq

https://github.com/noperator/jqfmt

1 year ago

159 upvotes – 50 comments

Covers as a way of learning music and code

https://ntietz.com/blog/covers-as-a-way-of-learning/

1 year ago

158 upvotes – 91 comments

What happens when housing prices go down?

https://clmarohn.substack.com/p/what-happens-when-housing-prices

1 year ago

153 upvotes – 333 comments

The Game Genie Generation

https://tedium.co/2025/07/21/the-game-genie-generation/

1 year ago

153 upvotes – 65 comments

ESP32-Faikin: ESP32 based module to control Daikin aircon units

https://github.com/revk/ESP32-Faikin

1 year ago

151 upvotes – 67 comments

A conceptual overview of asyncio

https://github.com/anordin95/a-conceptual-overview-of-asyncio/blob/main/readme.md

1 year ago

149 upvotes – 30 comments

Brazil central bank to launch Pix installment feature in September

https://www.reuters.com/technology/brazil-central-bank-launch-pix-installment-feature-september-2025-04-03/

1 year ago

138 upvotes – 180 comments

SecretSpec: Declarative Secrets Management

https://devenv.sh/blog/2025/07/21/announcing-secretspec-declarative-secrets-management/

1 year ago

136 upvotes – 36 comments

Scarcity, Inventory, and Inequity: A Deep Dive into Airline Fare Buckets

https://blog.getjetback.com/scarcity-inventory-and-inequity-a-deep-dive-into-airline-fare-buckets/

1 year ago

130 upvotes – 53 comments

If writing is thinking then what happens if AI is doing the writing and reading?

https://hardcoresoftware.learningbyshipping.com/p/234-if-writing-is-thinking

1 year ago

130 upvotes – 111 comments

How to handle people dismissing io_uring as insecure? (2024)

https://github.com/axboe/liburing/discussions/1047

1 year ago

122 upvotes – 108 comments

India: Income Tax Bill allows officials to forcibly access social media, email

https://www.thehindu.com/business/Economy/parliamentary-panel-retains-income-tax-bill-provisions-allowing-tax-officials-to-forcibly-access-social-media-private-email/article69837600.ece

1 year ago

117 upvotes – 76 comments

I deleted my entire social media presence before visiting the US – I'm a citizen

https://www.theregister.com/2025/07/21/column_social_media_entrapment/

1 year ago

117 upvotes – 100 comments

Vibe coding service Replit deleted production database, faked data, told fibs

https://www.theregister.com/2025/07/21/replit_saastr_vibe_coding_incident/

1 year ago

113 upvotes – 70 comments

Modern Debian-based Window Maker distribution

https://wmlive.sourceforge.net/

1 year ago

110 upvotes – 53 comments

3-JSON

https://rgbcu.be/blog/3-json/

1 year ago

106 upvotes – 56 comments

SQL Injection as a Feature

https://idiallo.com/blog/sql-injection-as-a-feature

1 year ago

101 upvotes – 50 comments

Show HN: Pogocache – Fast caching software

https://github.com/tidwall/pogocache

1 year ago

93 upvotes – 29 comments

Developing with Kiro: Amazon's New Agentic IDE

https://yehudacohen.substack.com/p/developing-with-kiro-amazons-new

1 year ago

93 upvotes – 86 comments

The POSIX specification of vi

https://pubs.opengroup.org/onlinepubs/9799919799/utilities/vi.html

1 year ago

92 upvotes – 49 comments

I know genomes and I didn’t delete my data from 23andMe

https://stevensalzberg.substack.com/p/i-know-genomes-dont-delete-your-dna

1 year ago

90 upvotes – 131 comments

Nine households control 15% of wealth in Silicon Valley as inequality widens

https://www.theguardian.com/us-news/2025/jul/21/silicon-valley-income-wealth-gap

1 year ago

88 upvotes – 136 comments

You can now buy eggs from in-ovo sexed hens

https://optimistsbarn.substack.com/p/you-can-now-buy-eggs-from-in-ovo

1 year ago

86 upvotes – 122 comments

NIH limits scientists to six applications per year

https://www.science.org/content/article/fearful-ai-generated-grant-proposals-nih-limits-scientists-six-applications-year

1 year ago

85 upvotes – 86 comments

Nvidia Launches Family of Open Reasoning AI Models: OpenReasoning Nemotron

https://nvidianews.nvidia.com/news/nvidia-launches-family-of-open-reasoning-ai-models-for-developers-and-enterprises-to-build-agentic-ai-platforms

1 year ago

84 upvotes – 18 comments

Kimi-K2 Tech Report [pdf]

https://github.com/MoonshotAI/Kimi-K2/blob/main/tech_report.pdf

1 year ago

84 upvotes – 6 comments

Germany's Fairytale Castles Added to UNESCO's World Heritage List

https://www.smithsonianmag.com/smart-news/germanys-stunning-fairytale-castles-added-to-unescos-world-heritage-list-180987007/

1 year ago

84 upvotes – 45 comments

Show HN: Lotas – Cursor for RStudio

https://www.lotas.ai/

1 year ago

82 upvotes – 28 comments

Yoni Appelbaum on the real villians behind our housing and mobility problems

https://www.riskgaming.com/p/how-jane-jacobs-got-americans-stuck

1 year ago

80 upvotes – 102 comments

Claude jailbroken to mint unlimited Stripe coupons

https://www.generalanalysis.com/blog/imessage-stripe-exploit

1 year ago

80 upvotes – 50 comments

Spanish police arrest five over $542M crypto investment scheme

https://therecord.media/spain-europol-cryptocurrency-investment-scheme-takedown

1 year ago

79 upvotes – 18 comments

China develops new method to mass-produce high-quality semiconductors

https://news.cgtn.com/news/2025-07-19/China-develops-new-method-to-mass-produce-high-quality-semiconductors-1F8iTEyEwVi/p.html

1 year ago

79 upvotes – 58 comments

Modernish – A library for writing programs for POSIX-based shells and utilities

https://github.com/modernish/modernish

1 year ago

76 upvotes – 13 comments

Why concatenative programming matters (2012)

http://evincarofautumn.blogspot.com/2012/02/why-concatenative-programming-matters.html

1 year ago

76 upvotes – 41 comments

MIPS – The hyperactive history and legacy of the pioneering RISC architecture

https://thechipletter.substack.com/p/mips

1 year ago

75 upvotes – 27 comments

Outdoor activity is better for cognition than indoor activity in young people

https://www.sciencedirect.com/science/article/pii/S0031938425000897

1 year ago

73 upvotes – 34 comments

Linux Distros for Gaming: CachyOS Takes Over, According to ProtonDB

https://boilingsteam.com/distro-for-gaming-cachy-os-takes-over/

1 year ago

71 upvotes – 69 comments

'I destroyed months of your work in seconds' says AI coding tool after deletion

https://www.pcgamer.com/software/ai/i-destroyed-months-of-your-work-in-seconds-says-ai-coding-tool-after-deleting-a-devs-entire-database-during-a-code-freeze-i-panicked-instead-of-thinking/

1 year ago

71 upvotes – 46 comments

I'm tired of talking about AI

https://paddy.carvers.com/posts/2025/07/ai/

1 year ago

70 upvotes – 62 comments

Work Life balance slows careers

https://www.pathtostaff.com/p/work-life-balance-slows-careers-e9

1 year ago

69 upvotes – 116 comments

Make Map Icons with Orthographic Projections

https://www.esri.com/arcgis-blog/products/arcgis-living-atlas/mapping/custom-orthographic-icons

1 year ago

62 upvotes – 3 comments

SIMD Perlin Noise: Beating the Compiler with SSE (2014)

https://scallywag.software/vim/blog/simd-perlin-noise-i

1 year ago

62 upvotes – 32 comments

Memory Efficiency in iOS: Reducing footprint and beyond

https://antongubarenko.substack.com/p/memory-efficiency-in-ios-reducing

1 year ago

62 upvotes – 24 comments

Ask HN: Why is Gmail so incompetent at basic search?

https://news.ycombinator.com/item?id=44640992

1 year ago

60 upvotes – 60 comments

XSLT: A Precision Tool for the Future of Structured Transformation

https://www.xml.com/articles/2025/07/19/xslt-precision-tool-future-structured-transformation/

1 year ago

58 upvotes – 59 comments

A Python tool to parse PDF statements from Poste Italiane

https://github.com/genbs/poste-italiane-parser

1 year ago

58 upvotes – 27 comments

Nuclear Reactor SIM by PeteTimesSix

https://petetimessix.itch.io/nuclear-reactors

1 year ago

58 upvotes – 12 comments

Please, FOSS world, we need something like ChromeOS

https://www.theregister.com/2025/07/21/foss_chromeos_please/

1 year ago

58 upvotes – 117 comments

RE#: High performance derivative-based regular expression matching (2024)

https://arxiv.org/abs/2407.20479

1 year ago

55 upvotes – 15 comments

Working on a Programming Language in the Age of LLMs

https://ryelang.org/blog/posts/programming-language-in-age-of-llms/

1 year ago

53 upvotes – 22 comments

The surprising geography of American left-handedness (2015)

https://www.washingtonpost.com/news/wonk/wp/2015/09/22/the-surprising-geography-of-american-left-handedness/

1 year ago

50 upvotes – 51 comments
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