top 20 hacker news stories for 2026-06-04

SpaceX, Other Mega IPOs Denied Fast Index Entry by S&P

https://www.bloomberg.com/news/articles/2026-06-04/s-p-dow-jones-keeps-megacap-ipo-rules-as-is-after-consultation

4 months ago

1059 upvotes – 515 comments

Failing grades soar with AI usage, dwindling math skills in Berkeley CS classes

https://www.dailycal.org/news/campus/academics/failing-grades-soar-as-professors-see-greater-ai-usage-dwindling-math-skills-in-uc-berkeley/article_16fad0bf-02cb-4b8c-8d88-888ffd9f8608.html

4 months ago

832 upvotes – 792 comments

Ask HN: What was your "oh shit" moment with GenAI?

https://news.ycombinator.com/item?id=48406174

4 months ago

734 upvotes – 1113 comments

VoidZero Is Joining Cloudflare

https://blog.cloudflare.com/voidzero-joins-cloudflare/

4 months ago

689 upvotes – 303 comments

U.S. to Dismantle System Tracking Atlantic Currents That Are at Risk of Collapse

https://e360.yale.edu/digest/trump-ooi-amoc

4 months ago

646 upvotes – 488 comments

Ian's Secure Shoelace Knot

https://www.fieggen.com/shoelace/secureknot.htm

4 months ago

606 upvotes – 227 comments

Anthropic's open-source framework for AI-powered vulnerability discovery

https://github.com/anthropics/defending-code-reference-harness

4 months ago

★ 5.7k Python
538 upvotes – 142 comments

When AI Builds Itself

https://www.anthropic.com/institute/recursive-self-improvement

4 months ago

533 upvotes – 702 comments

French-Iranian author Marjane Satrapi, author of 'Persepolis', dies at 56

https://www.france24.com/en/culture/20260604-french-iranian-author-marjane-satrapi-author-of-persepolis-dies-at-56

4 months ago

457 upvotes – 131 comments

In a first, wind and solar generated more power than gas globally in April 2026

https://electrek.co/2026/05/20/in-a-first-wind-solar-generated-more-power-than-gas-globally-april-2026/

4 months ago

404 upvotes – 390 comments

I built a vulnerable app and spent $1,500 seeing if LLMs could hack it

https://kasra.blog/blog/i-spent-1500-seeing-if-llms-could-hack-my-app/

4 months ago

402 upvotes – 216 comments

The Desperation of NYTimes

https://rozumem.xyz/posts/16

4 months ago

394 upvotes – 317 comments

UK media fails to disclose defence sector links in nearly 60% of cases

https://aoav.org.uk/2026/military-experts-or-arms-industry-insiders-uk-media-fails-to-disclose-defence-sector-links-in-nearly-60-of-cases/

4 months ago

383 upvotes – 224 comments

Retro-Tech Parenting

https://havenweb.org/2026/05/28/retro-tech.html

4 months ago

350 upvotes – 243 comments

Meta's ships facial recognition on smart glasses

https://www.buchodi.com/meta-glasses-facial-recognition/

4 months ago

332 upvotes – 298 comments

South Korean Forums Will Need to Scan Every Images with AI Censorship Tools

https://discuss.privacyguides.net/t/south-korean-online-communities-will-need-to-scan-every-images-with-ai-censorship-tools/38341

4 months ago

283 upvotes – 159 comments

My Agent Skill for Test-Driven Development

https://www.saturnci.com/my-agent-skill-for-test-driven-development.html

4 months ago

251 upvotes – 109 comments

Show HN: Uruky (EU-based Kagi alternative) now has Image Search and URL Rewrites

https://uruky.com/?il=en

4 months ago

235 upvotes – 240 comments

The ways we contain Claude across products

https://www.anthropic.com/engineering/how-we-contain-claude

4 months ago

229 upvotes – 106 comments

Do Transformers Need Three Projections? Systematic Study of QKV Variants

https://arxiv.org/abs/2606.04032

4 months ago

224 upvotes – 47 comments
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