top 20 hacker news stories for 2025-07-07

Adding a feature because ChatGPT incorrectly thinks it exists

https://www.holovaty.com/writing/chatgpt-fake-feature/

2 months ago

1299 upvotes – 424 comments

Bootstrapping a side project into a profitable seven-figure business

https://projectionlab.com/blog/we-reached-1m-arr-with-zero-funding

2 months ago

1001 upvotes – 257 comments

Bitchat – A decentralized messaging app that works over Bluetooth mesh networks

https://github.com/jackjackbits/bitchat

2 months ago

795 upvotes – 402 comments

Mercury: Ultra-fast language models based on diffusion

https://arxiv.org/abs/2506.17298

2 months ago

576 upvotes – 242 comments

Postgres LISTEN/NOTIFY does not scale

https://www.recall.ai/blog/postgres-listen-notify-does-not-scale

2 months ago

572 upvotes – 319 comments

I used o3 to profile myself from my saved Pocket links

https://noperator.dev/posts/o3-pocket-profile/

2 months ago

534 upvotes – 205 comments

Anthropic cut up millions of used books, and downloaded 7M pirated ones – judge

https://www.businessinsider.com/anthropic-cut-pirated-millions-used-books-train-claude-copyright-2025-6

2 months ago

497 upvotes – 651 comments

New sphere-packing record stems from an unexpected source

https://www.quantamagazine.org/new-sphere-packing-record-stems-from-an-unexpected-source-20250707/

2 months ago

427 upvotes – 218 comments

The ChompSaw: A benchtop power tool that's safe for kids to use

https://www.core77.com/posts/137602/The-ChompSaw-A-Benchtop-Power-Tool-Thats-Safe-for-Kids-to-Use

2 months ago

298 upvotes – 208 comments

Thunderbird 140 “Eclipse”

https://blog.thunderbird.net/2025/07/welcome-to-thunderbird-140-eclipse/

2 months ago

294 upvotes – 286 comments

7-Zip for Windows can now use more than 64 CPU threads for compression

https://www.7-zip.org/history.txt

2 months ago

287 upvotes – 211 comments

Launch HN: Morph (YC S23) – Apply AI code edits at 4,500 tokens/sec

https://news.ycombinator.com/item?id=44490863

2 months ago

217 upvotes – 184 comments

Show HN: NYC Subway Simulator and Route Designer

https://buildmytransit.nyc

2 months ago

201 upvotes – 32 comments

Archaeologists unveil 3,500-year-old city in Peru

https://www.bbc.co.uk/news/articles/c07dmx38kyeo

2 months ago

182 upvotes – 62 comments

My first verified imperative program

https://markushimmel.de/blog/my-first-verified-imperative-program/

2 months ago

181 upvotes – 93 comments

CPU-X: CPU-Z for Linux

https://thetumultuousunicornofdarkness.github.io/CPU-X/

2 months ago

170 upvotes – 42 comments

Batch Mode in the Gemini API: Process More for Less

https://developers.googleblog.com/en/scale-your-ai-workloads-batch-mode-gemini-api/

2 months ago

168 upvotes – 54 comments

Running a Certificate Transparency log

https://words.filippo.io/run-sunlight/

2 months ago

160 upvotes – 68 comments

Ask HN: Any resources for finding non-smart appliances?

https://news.ycombinator.com/item?id=44488810

2 months ago

156 upvotes – 132 comments

Show HN: Interactive pinout for the Raspberry Pi Pico 2

https://pico2.pinout.xyz

2 months ago

150 upvotes – 35 comments
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