We Know Why Ancient Roman Concrete Lasts Thousands of Years

https://www.sciencealert.com/we-finally-know-why-ancient-roman-concrete-lasts-thousands-of-years

1•tomcam•52s ago•0 comments

Tesla pulls all the demand levers with discounts and incentives as sales crash

https://electrek.co/2025/05/17/tesla-pulls-demand-levers-discounts-and-incentives-sales-crash/

1•MilnerRoute•1m ago•0 comments

Senior devs aren't just faster, they dodge problems juniors are forced to solve

https://boydkane.com/essays/experts

2•veqq•8m ago•0 comments

End-to-End RL Post-Training

3•sarthakaggarwal•9m ago•1 comments

Let's Encrypt Drops "Client Authentication" (mTLS) from Its TLS Certificates

https://utcc.utoronto.ca/~cks/space/blog/tech/TLSLEDropsClientAuthentication

3•pabs3•9m ago•0 comments

Study: Long Covid 'brain fog' linked to inflammation, stress markers

https://thehill.com/policy/healthcare/5304990-long-covid-brain-fog-inflammation-stress/

2•pseudolus•10m ago•0 comments

Datacenters Go to Space

https://cacm.acm.org/news/datacenters-go-to-space/

2•pseudolus•13m ago•0 comments

Memetics – A Growth Industry in US Military Operations (2006) [pdf]

https://apps.dtic.mil/sti/pdfs/ADA507172.pdf

1•lawrenceyan•13m ago•0 comments

Beta.weather.gov

https://beta.weather.gov/

2•ronbenton•13m ago•0 comments

AI models can't tell time or read a calendar, study reveals

https://www.livescience.com/technology/artificial-intelligence/ai-models-cant-tell-time-or-read-a-calendar-study-reveals

3•geox•18m ago•1 comments

Tornado warnings delayed because of DOGE cuts

https://www.mesoscalenews.com/p/tornado-warnings-delayed-because

16•aaronbrethorst•21m ago•0 comments

GM Is Pushing Hard to Tank California's EV Mandate

https://www.wsj.com/business/autos/california-ev-mandate-auto-industry-64708033

14•NN88•22m ago•2 comments

Show HN: I built a SaaS as a 13yr old

https://paynic.vercel.app/

1•vivaancut•23m ago•0 comments

What do y'all think – weeknd project

1•Venkymatam•28m ago•0 comments

Show HN: We're Launching Executor – An AI Agent Digital Employee

https://consciousstage.com/

2•abdulhak•35m ago•0 comments

A16Z Speedrun

https://speedrun.a16z.com

1•scapecast•36m ago•0 comments

Apple's A.I. Ambitions for China Provoke Washington's Resistanc

https://www.nytimes.com/2025/05/17/technology/apple-alibaba-ai-tool-china.html

1•zerosizedweasle•36m ago•1 comments

#1 Free Online Image Cropper and Crop Photos

https://www.easycropimage.com/

1•willy158•39m ago•0 comments

Show HN: Mouse Escape – A game I made with my dad

https://www.roadcrosser.com/mouse-escape

1•EvilDeadlyMice•59m ago•0 comments

MCP vs. A2A: Friends or Foes?

https://www.newsletter.swirlai.com/p/mcp-vs-a2a-friends-or-foes

1•owebmaster•1h ago•0 comments

Three-dimensional genome landscape of primary human cancers

https://www.nature.com/articles/s41588-025-02188-0

1•bookofjoe•1h ago•0 comments

Show HN: Digit-Class Prime Product Framework (Prime Factorization Evals for LMs)

https://github.com/arthurcolle/primes

1•arthurcolle•1h ago•0 comments

Austria wins 69th Eurovision song contest with Wasted Love

https://www.theguardian.com/tv-and-radio/2025/may/18/eurovision-song-contest-winner-2025

2•defrost•1h ago•0 comments

The Mathematical Mysteries of Fireflies

https://nautil.us/the-mathematical-mysteries-of-fireflies-1204513/

1•dnetesn•1h ago•0 comments

Ppl building agents – pulse check on usefulness

https://www.mightynetwork.ai/

1•jodoking•1h ago•1 comments

RepoRoulette: Randomly sample repositories from GitHub

https://github.com/gojiplus/reporoulette

4•deontology•1h ago•0 comments

AniSora: Open-source anime video generation model

https://komiko.app/video/AniSora

35•PaulineGar•1h ago•8 comments

Pivotal Token Search (PTS): Identify critical decision points in LLM generations

https://github.com/codelion/pts

1•codelion•1h ago•0 comments

The Language That Never Was

https://blog.celes42.com/the_language_that_never_was.html

4•thunderbong•1h ago•1 comments

MIT Backs Away from Paper Claiming Scientists Make More Discoveries with AI

https://gizmodo.com/mit-backs-away-from-paper-claiming-scientists-make-more-discoveries-with-ai-2000603790

5•Bender•1h ago•1 comments

Open in hackernews

No One Is Certain Social Media Can Swing Voting Results

https://www.bloomberg.com/news/articles/2025-05-16/romania-election-can-social-media-really-swing-voting-results

2•Bostonian•5h ago

Comments

Bostonian•5h ago

https://archive.is/FSASY

ysofunny•4h ago

on the upside, somebody is about to get really good experimental data about this issue???

croes•4h ago

It better can, otherwise the whole ad based business model would be bogus.