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Physicists Start to Pin Down How Stars Forge Heavy Atoms

https://www.quantamagazine.org/physicists-start-to-pin-down-how-stars-forge-heavy-atoms-20250702/
48•jnord•7h ago

Comments

ordu•5h ago
Two quotes about shattering plates:

“It’s like if you had a porcelain plate with a picture of an Italian city,” said Hendrik Schatz (opens a new tab), a nuclear astrophysicist at FRIB. If you wanted a piece with just one house on it, you’d have to break a lot of plates before you got the right picture. “We’re shattering a trillion plates per second.”

Its isotopes are even tricker to isolate; if fragmentation during the i-process is like capturing a picture of a house from a shattered plate, then the r-process means picking out only the window.

I'm thinking if it is a right analogy? Wouldn't it be easier to get a specific smaller piece? I mean there are more details on a bigger piece that should be preserved all, while a smaller piece will have fewer details, so the probability of this should be higher, shouldn't it?

frontfor•4h ago
I think the analogy here is that it’s indeed easier to get any smaller piece, but it’s harder to get a specific smaller piece you want.
dumpsterdiver•1h ago
Without reading the article I visualized the analogies mentioned in these comments as a house that you still have the potential to get several windows out of reliably, and importantly - you wouldn’t be missing a corner from an otherwise perfect window.

The house soaks up environmental damage to keep identifiable windows intact, vs a pile of mostly broken / not-up-to-spec windows.

Denial vs. OpenAI, Inc. (ND Cal 2025) [pdf]

https://archive.org/download/gov.uscourts.cand.452129/gov.uscourts.cand.452129.1.0.pdf
1•1vuio0pswjnm7•2m ago•0 comments

Kilmar Abrego Garcia describes beatings and psychological torture in CECOT

https://www.politico.com/news/2025/07/02/kilmar-abrego-garcia-salvadoran-prison-account-00438153
1•wk_end•7m ago•0 comments

Dalai Lama vows he won't be the last leader of Tibetan Buddhism

https://www.cnn.com/2025/07/02/asia/dalai-lama-reincarnation-announcement-intl-hnk
1•Tomte•22m ago•0 comments

OfflineInstallers – Download browser and .NET Framework offline installers

https://offlineinstallers.com/
1•louizo79•24m ago•0 comments

Colossus: The Forbin Project (1970) [video]

https://archive.org/details/colossus-the-forbin-project-1970
1•petethomas•28m ago•0 comments

What's wrong with AAA games? The development of the next Battlefield has answers

https://arstechnica.com/gaming/2025/07/behind-the-next-battlefield-game-culture-clash-crunch-and-colossal-stakes/
3•Tomte•29m ago•0 comments

Options for Handling Form Submissions Without a Back End

https://devmatter.app/blog/how-to-handle-form-submissions-without-a-backend
1•adityavinodh•32m ago•1 comments

AetherScript: AI-Assisted Development That You Can Trust

1•papabili•33m ago•0 comments

NIH Scientists Link Air Pollution and Lung Cancer Mutations in Non-Smokers

https://insideclimatenews.org/news/02072025/air-pollution-linked-to-lung-cancer-mutations/
3•OutOfHere•37m ago•0 comments

Demonstration of Algorithmic Quantum Speedup for an Abelian Hidden Subgroup

https://journals.aps.org/prx/abstract/10.1103/PhysRevX.15.021082
2•boilerupnc•37m ago•0 comments

Show HN: Track your favorite music, movies, shows, games, books and more

https://calendia-app.com
1•Andrew8581•46m ago•0 comments

Nothing's Untestable

https://antithesis.com/blog/2025/bugbash_2025/mitchell_hashimoto/
2•zdw•54m ago•0 comments

Show HN: I made a social media platform

https://onelined.tech/
2•sahil423•1h ago•0 comments

How to write Rust in the kernel part 1

https://lwn.net/Articles/1024202/
2•pkilgore•1h ago•0 comments

CEOs Start Saying the Quiet Part Out Loud: AI Will Wipe Out Jobs

https://www.wsj.com/tech/ai/ai-white-collar-job-loss-b9856259
3•planetjones•1h ago•1 comments

Debian on Apple M1/M2: status and call for testers

https://lists.debian.org/msgid-search/86037b55-e1b8-49e6-a0c9-f961b4ddc1a1@disroot.org
5•pabs3•1h ago•1 comments

GitHub Copilot coding agent now has a Playwright web browser

https://github.blog/changelog/2025-07-02-copilot-coding-agent-now-has-its-own-web-browser/
1•felineflock•1h ago•0 comments

Show HN: Piskvor Prime: a five-in-a-row iOS game with a reactive AI opponent

https://vojtahavlicek.github.io/vojtanyc/posts/piskvor_prime/
1•vh311•1h ago•0 comments

Show HN: Wyntk.ai – anti horseless carriage email

https://www.wyntk.ai/
1•gregorvand•1h ago•0 comments

Give Footnotes a Spec

https://nathansnelgrove.com/2025/07/give-footnotes-a-spec
2•OuterVale•1h ago•0 comments

Braess Paradox [video]

https://www.youtube.com/watch?v=-QTkPfq7w1A
1•travisgriggs•1h ago•2 comments

TPC-DS Benchmark: Trino 476, Spark 4.0.0, and Hive 4 on MR3 2.1

https://mr3docs.datamonad.com/blog/2025-07-02-performance-evaluation-2.1/
1•epdlxjmonad•1h ago•1 comments

Show HN: GenZ AI – Your Voice, but Fluent in Gen Z

https://twitter.com/MisbahSy/status/1940609386927521900
1•misbahsy•1h ago•0 comments

Ask HN: Building for Joy vs. Building for Scale

1•chbkall•1h ago•0 comments

OpenAI to Sponsor Driver Alex Palou at Mid-Ohio IndyCar Race

https://www.sportsbusinessjournal.com/Articles/2025/07/02/openai-gets-first-livery-position-with-ganassi-at-mid-ohio-as-ai-leader-looks-to-racing-for-insights/
1•tekdude•1h ago•0 comments

Learning F# with Falco: Response Localization

https://rewiring.bearblog.dev/learning-f-with-falco-response-localization/
1•Mossy9•1h ago•0 comments

Why the superyachts are getting bigger and bigger

https://www.bbc.com/news/articles/cvgnwx0lwwdo
2•andsoitis•1h ago•1 comments

Aphrodisiac

https://www.rxjourney.net/the-ultimate-aphrodisiac
1•chidieberechigo•1h ago•0 comments

Natasha Lyonne reveals David Lynch was a supporter of AI

https://faroutmagazine.co.uk/natasha-lyonne-reveals-david-lynch-supporter-ai/
3•CharlesW•1h ago•0 comments

Accelerate Legacy Application Modernization 4 times faster

https://www.techolution.com/products/appmod-ai-for-enterprises/
1•tech28•1h ago•0 comments