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Open Source @Github

fp.

Reparaible and open source paper printer

https://www.opentools.studio/
98•bouh•1h ago•31 comments

Organic Maps

https://organicmaps.app/
704•tosh•7h ago•200 comments

New AI tutor achieves 0.71-1.30 SD effect size in Dartmouth course [pdf]

https://intextbooks.science.uu.nl/workshop2026/files/itb26_s1s2.pdf
96•jonahbard•3h ago•60 comments

Completing a Computer Science Degree on Coursera

https://notesbylex.com/completing-a-computer-science-degree-on-coursera
27•lexandstuff•53m ago•5 comments

Show HN: Homegames. An open-source game platform I've been making for 8 years

https://homegames.io
19•homegamesjoseph•41m ago•3 comments

The future of Flipper Zero development

https://blog.flipper.net/future-of-flipper-zero-development/
156•croes•3h ago•34 comments

Pint in England

https://dispatch-media.com/the-best-pint-in-england/
14•gripfx•1h ago•2 comments

Mr. Baby Paint and accidentally discovering a new cellular automata

https://tekstien-marginaalien-keskus.aalto.fi/residenssi/heikki/blog/004-december-2/
62•jfil•2d ago•12 comments

Starring the Computer

https://www.starringthecomputer.com/computers.html
136•gitowiec•4h ago•32 comments

Dungeon Proof Crawler: learn how to write proofs with RPG

https://dhilst.github.io/algae/game/index.html
12•SchwKatze•1h ago•5 comments

CoCom regulations and GPS receivers for balloons and cubesats

https://space.stackexchange.com/questions/14687/current-situation-with-cocom-regulations-and-gps-...
6•vinnyglennon•34m ago•0 comments

It's not about physical vs. digital games, it's about ownership

https://popcar.bearblog.dev/its-about-ownership/
224•popcar2•7h ago•167 comments

Show HN: Osint tool that finds exposed files on domains

https://search.cerast-intelligence.com/
14•PatchRequest•1h ago•0 comments

Dependencies should be fetched directly from VCS

https://www.arp242.net/deps-vcs.html
12•mrngm•1h ago•5 comments

Cursed circuits #5: capacitance multiplier

https://lcamtuf.substack.com/p/cursed-circuits-capacitance-multiplier
19•surprisetalk•2h ago•0 comments

DNSGlobe – Rust TUI to watch DNS propagate around the world

https://github.com/514-labs/dnsglobe
5•Callicles•18m ago•0 comments

Zero-copy in Go: sendfile, splice, and the cost of io.Copy

https://segflow.github.io/post/zero-copy-sendfile-splice/
15•mrngm•1h ago•0 comments

Papa Johns Can Predict When Your Fridge Is Empty

https://www.adexchanger.com/tv/papa-johns-can-predict-when-your-fridge-is-empty/
30•WaitWaitWha•3d ago•24 comments

Introduction to Compilers and Language Design (2021)

https://dthain.github.io/books/compiler/
250•AlexeyBrin•10h ago•42 comments

The great blogging collapse: What happened to 100 successful blogs?

https://danielstanica.com/posts/Great-Blogging-Collapse
135•thm•3d ago•103 comments

Run Windows 2000 on a DEC Alpha with a new es40 fork

https://raymii.org/s/blog/Run_Windows_2000_for_Dec_Alpha_on_a_new_es40_fork.html
87•jandeboevrie•8h ago•47 comments

You need a webring

https://shub.club/writings/2026/july/you-need-a-webring/
33•forthwall•3h ago•26 comments

Installing A/UX 1.1 like it's the 90s

https://thomasw.dev/post/aux11/
42•zdw•6h ago•14 comments

How the first solo-founder unicorn gets built

https://www.thisandthat.chat/blog/how-the-first-solo-founder-unicorn-gets-built/
8•jreynar•3d ago•2 comments

We Always Leave Things Unfinished

https://bigreaderbadgrades.substack.com/p/we-always-leave-things-unfinished
18•bryanrasmussen•3d ago•1 comments

The full stack of terminals explained

https://ahmadawais.com/the-full-stack-of-terminals-explained-terminal-shell-tty-console-posix-ans...
11•ludicrousdispla•2h ago•0 comments

Jim Keller's startup is building a factory to mass-produce small chip fabs

https://www.tomshardware.com/tech-industry/atomic-semi-rebrands-as-fab2-and-shifts-operations-to-...
74•logickkk1•3h ago•13 comments

Airplane Boneyards List and Map

https://airplaneboneyards.com/airplane-boneyards-list-and-map.htm
72•hyperific•1d ago•12 comments

Why DMARC's new "NP" tag can fail with DNSSEC

https://dmarcwise.io/blog/dmarc-np-incompatibility-with-dnssec
40•matteocontrini•7h ago•16 comments

Speech and Noise Corpora for Pitch Estimation of Human Speech

https://zenodo.org/records/3920591
6•q7m•2h ago•0 comments
Open in hackernews

Tripadvisor AI summaries give glowing reviews to dangerous hotels

https://www.euronews.com/travel/2026/07/03/tripadvisor-ai-summaries-give-glowing-reviews-to-dangerous-hotels-consumer-watchdog-finds
20•jethronethro•2h ago

Comments

solenoid0937•1h ago
Someone should get the bot to leak system instructions. I'd bet good money TripAdvisor has configured it to be positive.

The TripAdvisor spokesperson said people can just look at the reviews, "eliminating any need to blindly trust AI-generated content." How about these clowns just fix their harness instead?

Diogenesian•59m ago
"You can't spend your whole life worrying about your mistakes. You fucked up! You trusted us!"

https://youtu.be/MYQCb3qrBpo

raychis•1h ago
This is exactly why AI summaries shouldn’t be trusted blindly, especially when safety concerns can be buried under hundreds of positive reviews.

It is a big problem that the uncertainty in the text produced by LLMs isn't surfaced to users. It is also a big problem that companies think that shoehorning AI summaries everywhere is a good idea.

rwmj•1h ago
https://archive.ph/1blDn
mhitza•3m ago
Good fallback in case the page gets changed, currently instead of listing a journalist the article had a bunch of "Which?" placeholders :)

Fun editorial slip up over there.

userbinator•55m ago
Is it actually a "summary" of the reviews, or did they just ask the AI to generate a flattering compliment? Because AI often seems very eager to do the latter, possibly due to an abundance of "toxic positivity".
aurareturn•52m ago
The answer is obviously deliberate prompting to make negative reviews sound less bad.

1. Booking websites want to convert more users

2. Hotels will get angry if a booking website's AI summary is negative

Fire-Dragon-DoL•31m ago
Won't they have the same problem Google is having, where since the content is AI generated and the AI is controlled by TripAdvisor, they are liable for what it says?