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Experts warn current Starship heat shield tech is a "dead end" for rapid reuse

https://arstechnica.com/space/2026/07/despite-recent-successes-rapid-reuse-of-starship-remains-a-...
1•rbanffy•1m ago•0 comments

Japan-US team discovers substance seen as 'seed' behind Alzheimer's disease

https://mainichi.jp/english/articles/20260723/p2a/00m/0sc/010000c
1•BaudouinVH•1m ago•0 comments

The Mean Means Nothing

https://fzakaria.com/2026/07/27/the-mean-means-nothing
1•ingve•3m ago•0 comments

China begins mass production chipmaking machines following breakthrough

https://www.tomshardware.com/tech-industry/semiconductors/china-begins-mass-production-of-domesti...
1•RikNieu•3m ago•0 comments

Nvidia behind $50B lease on Texas data centre that will use its chips

https://www.ft.com/content/685014e7-47dd-471b-a585-1b9b73ce5d6f
1•mapping365•11m ago•0 comments

Show HN: OpsCat – A single-binary software catalog with MCP for AI agents

https://github.com/sumant1122/opscat
1•paperplaneflyr•14m ago•0 comments

Guantlet Loop

https://somethingbig.ai/gauntlet-loop
1•shahargl•15m ago•0 comments

Can Gender Equality and Religious Liberty Coexist?

https://medium.com/freedomofthought/can-gender-equality-and-religious-liberty-truly-coexist-6396e...
1•raynchad•17m ago•0 comments

If AI Writes All the Code, What Do the Programmers Do?

https://probablydance.com/2026/07/27/if-ai-writes-all-the-code-what-do-the-programmers-do/
2•ingve•20m ago•0 comments

Astro93: On-device astrology app with a pure-Dart ephemeris

https://play.google.com/store/apps/details?id=com.hoornet.astro93&hl=en_US
1•hoornet•24m ago•0 comments

Nuclear Turbines

https://www.nuclearturbines.com
1•chickenbig•25m ago•0 comments

Live: NHK WORLD-Japan News (since Mar 10, 2022) [video]

https://www.youtube.com/watch?v=f0lYkdA-Gtw
1•gjvc•27m ago•1 comments

Tag Questions and the Generational Reversal of Sycophancy Across 45 Language

https://arxiv.org/abs/2607.23976
1•sbulaev•31m ago•0 comments

Some people's chats with Claude AI found to be publicly available online

https://www.bbc.com/news/articles/cly5qgjk5ywo
1•01-_-•32m ago•0 comments

Southeast Asia's record tech investment driven by single data centre giant

https://ciosea.economictimes.indiatimes.com/news/data-center/southeast-asias-record-tech-investme...
1•01-_-•33m ago•0 comments

An interactive in-browser tutorial for MarkoJS V6 with solvable lessons

https://markojs-tutorial.netlify.app/
1•defunkt-dev•34m ago•1 comments

Tell HN: Our paid Claude AI subscription unavailable >1 week and no support

2•KellyCriterion•38m ago•0 comments

Show HN: Where everything shaping how you think lives

https://omphalis.ai/
2•wowinter15•42m ago•0 comments

F-16 in 1991 Gulf war dodges 6 SAM missiles without chaff

https://www.youtube.com/watch?v=TJE5gDDnq9s
2•lifeisstillgood•45m ago•0 comments

Magnitude 7.1 earthquake hits Japan's Kyushu region, JMA says

https://www.reuters.com/business/environment/magnitude-71-earthquake-hits-japans-kyushu-region-jm...
1•mikhael•48m ago•0 comments

The Uses of 'Treason'

https://www.cjr.org/the_media_today/the-uses-of-treason-donald-trump-press-traitors-air-force-one...
2•robtherobber•50m ago•0 comments

Ask HN: What do you use local models for?

1•tjomk•53m ago•1 comments

7.1 Earthquake in Japan

https://www.data.jma.go.jp/multi/quake/quake_detail.html?eventID=20260728163528&lang=en
107•krembo•54m ago•21 comments

Seriously, what is the large code-model even for?

https://fzakaria.com/2026/07/26/seriously-what-is-the-large-code-model-even-for
1•birdculture•56m ago•0 comments

Show HN: Reverse-engineer viral videos into AI-ready shot breakdowns

https://videolens.cc/zh/landing
1•not_wowinter13•1h ago•0 comments

Show HN: Dino Race – A peer-to-peer two-player Chrome Dino game

https://gameplayer2.com/dino
1•dares2573•1h ago•0 comments

Artificial Intelligence: Shades of Gray

https://changelog.complete.org/archives/42503-artificial-intelligence-shades-of-gray
1•psibi•1h ago•0 comments

Does Speaking to Agents Like Cavemen Save 65% of Tokens? We Test

https://blog.jetbrains.com/ai/2026/07/speak-to-ai-agents-like-cavemen-tosave-tokens/
3•Sandman•1h ago•1 comments

Disney+ removes 4K and HDR from premium plans in Germany

https://www.heise.de/en/news/Disney-4K-and-HDR-completely-disappeared-in-Germany-11379707.html
2•Vloeck•1h ago•0 comments

Fcgc

https://news.ycombinator.com/submit
1•sfgsfsdgs•1h ago•0 comments
Open in hackernews

Ask HN: What are you currently trying to figure out?

3•gooob•1y ago
i'm trying to figure out why elden ring started stuttering and freezing during gameplay recently, and why the windows operating system has so many little dumb things wrong with it.

Comments

sherdil2022•1y ago
Trying to figure out what to do next and what to do with my life.
gooob•1y ago
how's that going? what are your current options?
sherdil2022•1y ago
Not going good.
scottmcdot•1y ago
How to build a segmentation model based on a sample of data that needs to be representative of the population.
turtleyacht•1y ago
Trying to figure a workaround in ksh for space-delimited filenames:

  for f in $(ls "/mnt/dir"); do
    cp -v "$f" /elsewhere
  done
Because -R doesn't handle retries when cp(1) errors out intermittently (USB MTP to phone). I don't remember it being this hard in bash, or Android just is like this. Hopefully can figure it out without going to perl or C. Maybe dump(8).

Even though 54 GB partition created, it only takes up 22 GB or so. Either missing a lot of files or FFS compacts it well.

turtleyacht•1y ago
Pipe and read per line:

  ls /mnt/dir | while read line; do
    cp -v "$line" /elsewhere
    # substitute with something fancy
    # [ $? -eq 0 ] || cp -v "$line" /elsewhere
  done
nailer•1y ago
If there’s transmission errors, I would recommend using rsync rather than cp. that will keep transferring and running checksums until everything matches.
turtleyacht•1y ago
Thank-you. After installing openrsync(1) (and rsync), files transferred for a bit but failed and dumped core with error 138 (bus error). Maybe a quirk with OpenBSD 7.6, or interaction between simple-mtpfs and the fusefs mount.

In the meantime, after a few retries, the failures are written to a log for a second sweep.

MD5 check helps skip extra copying, but it's overall much slower. It seems okay for a long-running batch job; maybe something we can return to after getting the pictures to display.

The pattern is like

  cp ... || \
    { sleep 2; cp ... ; } || \
    ... || \
    ... || echo "$file" >> retry.log
Not the best way. It has failed before all four times. Going to let it run overnight to see if it completes.
arthurcolle•1y ago
navigating personal 'unemployment' while obsessively hoarding whatever money I can to run experiments / train, finetune models to leverage RL and environment-building in order to use computers, learn tasks, learn from each other, and scale to managing companies (simple, SaaS at first, and eventually, potentially to real-world operations downstream task sets)
nailer•1y ago
I arrived tired to a pre wedding photo shoot this morning, my prospective wife yelled at me, and cancelled the shoot. I walked out because I don’t like people yelling at me. So I am trying to figure out whether I still want to marry her.