Researchers at the University of Sheffield in the U.K. developed small robots called "Pipebots" that can travel inside water pipes to find and potentially repair leaks, all without any excavation.

Submerged in about 40 meters of water off Scotland’s coast, a turbine has been spinning for more than six years to harness the power of ocean tides and generate electricity.

Ever had to make a 90-degree turn on a bridge? In India, seven engineers just got suspended for designing exactly that...

Adding type parameters to interface types is surprisingly powerful

We conduct a randomized controlled trial to understand how early-2025 AI tools affect the productivity of experienced open-source developers working on their own repositories. Surprisingly, we find that when developers use AI tools, they take 19% longer than…

Which databases are rising and falling in developer mind-share? Our 18-year Hacker News analysis shows PostgreSQL’s dominance, DuckDB and ClickHouse’s explosive growth, and cloud SaaS engines’ sharp decline heading into 2025.

Perplexity is launching its first AI-powered web browser, Comet, marking the company's latest attempt to unseat Google Search.

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How Ruby's async ecosystem transforms resource-intensive LLM applications into efficient, scalable systems - without rewriting your codebase.

Customers face higher bills to upgrade infrastructure needed to power AI systems

George Orwell's domestic and political diary entries, posted 70 years to the day after they were written

For months, the DOJ has insisted to US courts that it has no jurisdiction over the people it rendered to Salvadoran detention facilities. But when the UN came asking, El Salvador told a very differ…

A tree-sitter based AST difftool to get meaningful semantic diffs - afnanenayet/diffsitter

The U.S. State Department said it is restarting the process for foreigners applying for student visas but all applicants will now be required to unlock their social media accounts for review.

Postgres LISTEN/NOTIFY can cause severe performance issues under high write concurrency due to a global lock during commit. Learn why it doesn't scale and how to avoid outages.

Released last night, Grok 4 is now available via both API and a paid subnoscription for end-users. Update: If you ask it about controversial topics it will sometimes search X …

BrowserOS is the open-source agentic browser that runs AI agents locally on your computer. Privacy-first Chrome alternative with AI superpowers.