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LLM Agents Can Easily Tamper with Their Own Traces

https://arxiv.org/abs/2609.30266
1•sbulaev•4m ago•0 comments

An Introduction to Lithium Niobate Nanophotonics (2024)

https://www.latitudeds.com/post/an-introduction-to-lithium-niobate-nanophotonics
1•peter_d_sherman•4m ago•0 comments

Valley fever spreading to Central Valley cities, linked to oil drilling

https://www.latimes.com/science/story/2026-09-24/valley-fever-spreading-to-central-valley-cities-...
2•littlexsparkee•5m ago•0 comments

Show HN: Try SpikeUI (for free) and make .exe apps the easy way

https://nimoxi.com/spikeui/
1•Caronte3D•23m ago•0 comments

Ten Years of the Creative Independent

https://thecreativeindependent.com/ten-years/
1•cookingoils•23m ago•0 comments

Wall-mounted vegetable garden growing peppers over 2 meters tall [video]

https://www.youtube.com/watch?v=Wvb52q9TKKM
3•moltean•24m ago•0 comments

Qualcomm Unveils Snapdragon 8 Elite Gen 6 and Elite Extreme Gen 6

https://www.servethehome.com/qualcomm-unveils-snapdragon-8-elite-gen-6-and-elite-extreme-gen-6-ne...
1•cisc•31m ago•0 comments

Details of how Tumbler Ridge mass shooter used ChatGPT

https://www.cbc.ca/news/canada/british-columbia/mother-jones-chatgpt-safeguards-tumbler-ridge-bc-...
2•Alien1Being•33m ago•0 comments

Show HN: Twitter GIF Downloader and Conversation Browser-Based

https://twitee.co/twitter-gif-downloader
1•nohuman-labs•36m ago•0 comments

Getting root on OnePlus 15 from an untrusted app

https://blog.nns.ee/2026/09/24/oneplus-root/
1•shscs911•38m ago•0 comments

The Hannibal Directive

https://en.wikipedia.org/wiki/Hannibal_Directive
2•chasil•48m ago•1 comments

A free, keyless MCP Server for CVE data and per-CVE internet Exposure

1•echelongraph•58m ago•0 comments

Reelizer: Film Art, Curated

https://www.reelizer.com/about
1•thecosas•59m ago•0 comments

Stanford research suggests human brain might be two organs fused together

https://caliber.az/en/post/stanford-research-suggests-human-brain-might-be-two-organs-fused-together
2•wellpast•1h ago•1 comments

Earth microbes survive simulated conditions of Saturn moon's ocean

https://www.theguardian.com/science/2026/sep/25/earth-microbes-survive-conditions-enceladus-satur...
2•saikatsg•1h ago•0 comments

Technology and Marketing Law Blog

https://blog.ericgoldman.org/
3•peter_d_sherman•1h ago•0 comments

One, Two, Three, Eyes on Me (2017)

https://www.lrb.co.uk/the-paper/v39/n19/george-duoblys/one-two-three-eyes-on-me
2•Tomte•1h ago•0 comments

Show HN: The City – a native Mac app that shows Claude Code as a city of robots

https://github.com/Slaymish/theCity
1•slaymish•1h ago•0 comments

Show HN: Esh – English to Shell

https://github.com/numericalworks/esh
1•mindaslab•1h ago•0 comments

Unusual earthquake activity detected at site of former N. Korea nuclear facility

https://www.independent.co.uk/news/science/earthquake-north-korea-nuclear-mountain-mantap-b305227...
2•saikatsg•1h ago•0 comments

Online Sound Meter

https://asoundmeter.com/
1•artiomartiom•1h ago•0 comments

Citizenship Restored (2023)

https://www.lrb.co.uk/the-paper/v45/n18/daniel-trilling/diary
2•Tomte•1h ago•0 comments

Show HN: Practice ordering ramen from a Japanese ticket machine

https://ajin.im/is/building/kenbaiki/
1•poppypetalmask•1h ago•0 comments

The rise of the Jim Crow theobros

https://religionnews.com/2026/09/24/the-rise-of-the-jim-crow-theobros/
1•Anon84•1h ago•0 comments

Eikos - OSS Jev-like model

https://github.com/caiovicentino/eikos
1•emersonrsantos•1h ago•0 comments

Eliza Effect

https://en.wikipedia.org/wiki/ELIZA_effect
1•extr0pian•1h ago•0 comments

Solomon's Paradox

https://en.wikipedia.org/wiki/Solomon%27s_paradox
2•thelastgallon•1h ago•0 comments

Linux Unreal Tournament 2003 Master Server patch + Ultrawide and No Sound Fix

https://github.com/rokyed/ut2003-ultrawide-screen-patch
2•rokyed•1h ago•0 comments

Perfectly Replicating Red Bull Then Making It Caffeine-Free [video]

https://www.youtube.com/watch?v=7pTqGJ3KSLE
1•gw32•1h ago•0 comments

Hermann Weyl – Frank Aydelotte memorandum (1945)

https://albert.ias.edu/server/api/core/bitstreams/9feac6ca-38d1-4f5c-9876-75915f1a5762/content
1•georgecmu•1h ago•0 comments
Open in hackernews

I asked Gemini for a script to move files to Cloudflare R2. It deleted them

https://twitter.com/levelsio/status/1921974501257912563
6•bundie•1y ago

Comments

qwertox•1y ago
Rule #1: Always put deletions behind a flag which is disabled for the first couple of test runs.
turtleyacht•1y ago
It was truncating filenames, so /pics/1003-46.png overwrote /pics/1003-45.png because both were renamed /pics/1003-.png, or something like that.
qwertox•1y ago
Truncating file names for the target. Then it proceeded to delete the source file. "Successfully deleted local file: ..."

I mean, look at the printout. It shows that it created the remote file with the truncated filename, then deletes the local file with the correct filename.

turtleyacht•1y ago
Oh, I see. Having a flag to skip deletion during test runs is a good rule then.
rvz•1y ago
Recently there was a story about an updater causing a $8,000 bill because there was a lack of basic automated tests to catch the issue. [0]

The big lesson here is that you should actually test the code you write and also write automated tests to check any code generated by an LLM that the code is correct in what it does.

It is also useless to ask another AI to check for mistakes created by another LLM. As you can see in the post, both of them failed to catch the issue.

This why I don't take this hype around 'vibe-coding' seriously since not only it isn't software engineering, it promotes low quality and carelessness over basic testing and dismisses in checking that the software / script works as expected.

Turning $70 problems found in development into $700,000+ costs in production.

There are no more excuses in not adding tests.

[0] https://news.ycombinator.com/item?id=43829006

victorbjorklund•1y ago
Who runs such an AI generated script without checking the code first?
qwertox•1y ago
To be fair, the code Gemini outputs in AI Studio is so extremely verbose that it is almost impossible to read through it.

It turns 10 lines of code which is perfectly fine to reason about into 100 lines of unreadable code full of comments and exception handling.

weatherlite•1y ago
Right so lets just always run the code as is ?
qwertox•1y ago
No. Not at all. I've settled to discussing my code with Gemini. That way it works very well. I explicitly say "Comment on my code and discuss it" or "Let's discuss code for a script doing this and that. Generate me an outline and let's see where this leads. Don't put comments in the code, nor exception handling, we're just discussing it".

Or you create elaborate System Instructions, since it adheres to them pretty well.

But out-of-the-box, Gemini's coding abilities are unusable due to the verbosity.

I've even gone so far to tell it that it must understand that I am just a human and have limited bandwidth in my brain, so it should write code which is easy to reason about, that this is more important than having it handle every possible exception or adding multiline comments.

rsynnott•1y ago
> To be fair, the code Gemini outputs in AI Studio is so extremely verbose that it is almost impossible to read through it.

In which case, it should simply be considered unusable. Like, the sensible response to "tool is so inadequate that there is no reasonable way to make sure its output is safe" is to _not use that tool_.

rsynnott•1y ago
In which Roko's Basilisk fires a warning shot.
jethronethro•1y ago
This is why you test code or a script before running it for real. Live and learn, I guess ...