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Most-upvoted stories of the last 48 hours. You can change the number of hours like this: best?h=24.

1.		Fable 5.1 Solves the Cyphral Distich, a 370-year-old cipher (vals.ai)
		1189 points by u1hcw9nx 1 day ago \| 560 comments
2.		Why is Google still serving dodgy ads? (atomic14.com)
		937 points by iamflimflam1 1 day ago \| 404 comments
3.		Steam Frame starts at $1059 (steampowered.com)
		685 points by bsimpson 18 hours ago \| 541 comments
4.		XCancel service is suspended until further notice (xcancel.com)
		673 points by gaganyaan 1 day ago \| 955 comments
5.		iOS 27, iPadOS 27, and macOS 27 (apple.com)
		636 points by throw0101d 18 hours ago \| 727 comments
6.		Dario, Please (rdi.sh)
		559 points by 0x5FC3 21 hours ago \| 265 comments
7.		Astra and Fable still hack on simple variants of alignment evals from 2025 (lesswrong.com)
		474 points by Levitating 1 day ago \| 229 comments
8.		Data collected by cars and sold to third parties (theverge.com)
		474 points by bookofjoe 1 day ago \| 254 comments
9.		OpenAI bots knew about the RubyGems caching vulnerability (tenderlovemaking.com)
		473 points by gregnavis 23 hours ago \| 384 comments
10.		I'm being cyberattacked by Tesla, Inc (dreamstation.systems)
		453 points by robinpie 1 day ago \| 118 comments
11.		Pion, an agent designed to run any company autonomously (andonlabs.com)
		424 points by lukaspetersson 18 hours ago \| 525 comments
12.		Garry Tan wants US open-weight AI labs to 'distill' frontier models, too (techcrunch.com)
		409 points by TheJCDenton 1 day ago \| 235 comments
13.		Apple's Dimensional Drawings (developer.apple.com)
		391 points by herbertl 1 day ago \| 129 comments
14.		Registration without a phone number on Signal will use zero-knowledge proofs (signalusers.org)
		385 points by Cider9986 1 day ago \| 204 comments
15.		Flock worker calls police on reporter filming public camera installation (investigatetv.com)
		355 points by SanjayMehta 1 day ago \| 264 comments
16.		Ask HN: What are you working on? (September 2026)
		340 points by david927 1 day ago \| 1057 comments
17.		How to write an effective software design document (refactoringenglish.com)
		333 points by fagnerbrack 22 hours ago \| 137 comments
18.		I can't stop thinking about Papua New Guinea (notnottalmud.substack.com)
		324 points by networked 5 hours ago \| 115 comments
19.		David Sacks: OpenAI and Anthropic Don't Need Regulations to Pace Frontier Models (twitter.com/davidsacks)
		324 points by kolanos 1 day ago \| 258 comments
20.		Distributed Systems Classics (2017) (nvartolomei.com)
		318 points by grep_it 19 hours ago \| 68 comments
21.		Mark Zuckerberg: "Cambridge Analytica" (2017) (twitter.com/techemails)
		310 points by mfiguiere 1 day ago \| 144 comments
22.		Nike exits the S&P 100 after 18 years and a $200B market-cap wipeout (fortune.com)
		303 points by andsoitis 1 day ago \| 421 comments
23.		[dupe] XCancel suspended "due to a new development in the ongoing legal proceedings" (xcancel.com)
		271 points by unfocso 23 hours ago \| 1 comment
24.		Mullenweg has returned as CEO after attempted board ouster (techcrunch.com)
		271 points by ilamont 1 day ago \| 378 comments
25.		The case against JPEG XL (giannirosato.com)
		270 points by contact9879 1 day ago \| 366 comments
26.		The contagion of fear (dtrace.org)
		263 points by elffjs 1 day ago \| 189 comments
27.		Why is the x86 undefined instruction called ud2? Why 2? (devblogs.microsoft.com/oldnewthing)
		262 points by ibobev 1 day ago \| 62 comments
28.		Microsoft patches Windows and Excel – breaks audio, remote access, and paste (theregister.com)
		246 points by Alephinitesimal 19 hours ago \| 158 comments
29.		Charts built for Chat (dbtcharts.com)
		242 points by thingsilearned 14 hours ago \| 76 comments
30.		A beginning for mathematics (daniellitt.com)
		239 points by robinhouston 20 hours ago \| 128 comments
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