Terrain Diffusion: A Diffusion-Based Successor to Perlin Noise
Abstract:For decades, procedural worlds have been built on procedural noise functions such as Perlin noise, which are fast and infinite, yet fundamentally limited in realism and large-scale coherence. We introduce Terrain Diffusion, an AI-era successor to Perlin noise that bridges the fidelity of diffusion models with the properties that made procedural noise indispensable: seamless infinite […]
Is it a bubble?
Ours is a remarkable moment in world history. A transformative technology is ascending, and its supporters claim it will forever change the world. To build it requires companies to invest a sum of money unlike anything in living memory. News reports are filled with widespread fears that America’s biggest corporations are propping up a bubble […]
Auto-grading decade-old Hacker News discussions with hindsight
Auto-grading decade-old Hacker News discussions with hindsight | karpathy Home Blog 10 Dec, 2025 TLDR: https://karpathy.ai/hncapsule/ Yesterday I stumbled on this HN thread Show HN: Gemini Pro 3 hallucinates the HN front page 10 years from now, where Gemini 3 was hallucinating the frontpage of 10 years from now. One of the comments struck me […]
DeepSeek uses banned Nvidia chips for AI model, report says
(Bloomberg) — Chinese artificial intelligence startup DeepSeek has relied on Nvidia Corp. chips that are banned in the country to develop an upcoming AI model, according to a new report in The Information. Nvidia’s Blackwell chips were smuggled into China through countries that permitted their sale, The Information reported, citing unnamed sources. More specifically, DeepSeek […]
Launch HN: InspectMind (YC W24) – AI agent for reviewing construction drawings
Hi HN, we’re Aakash and Shuangling of InspectMind (https://www.inspectmind.ai/), an AI “plan checker” that finds issues in construction drawings, details, and specs. Construction drawings quietly go out with lots of errors: dimension conflicts, co-ordination gaps, material mismatches, missing details and more. These errors turn into delays and hundreds of thousands of dollars of rework during […]
Qualcomm acquires RISC-V focused Ventana Micro Systems
Qualcomm Acquires Ventana Micro Systems, Deepening RISC-V CPU Expertise | Qualcomm You need to enable JavaScript to run this app.
In New York City, congestion pricing leads to marked drop in pollution
A new toll applied to cars driving in parts of New York City has led to a measurable drop in traffic, and with it, a 22 percent decline in particulate pollution, according to a new study. Congestion pricing came into effect in January, with cars paying $9 to drive through busy parts of Manhattan during […]
Writing an Outlook Add-in in Rust
One of legal tech’s clichés is that “lawyers live in Word”. This is demonstrably incorrect. I, for example, am a lawyer and in fact live in London, England. But what they mean to say is that lawyers spend much of their time editing documents in Microsoft Word. This is because, for the most part, opening […]
Show HN: Wirebrowser – A JavaScript debugger with breakpoint-driven heap search
Wirebrowser is a debugging, interception, and memory-inspection toolkit powered by the Chrome DevTools Protocol (CDP). It unifies network manipulation, API testing, automation scripting, and deep JavaScript memory inspection into one interface.With features like Breakpoint-Driven Heap Search and real-time Live Object Search, Wirebrowser provides researchers and engineers with precise, high-visibility tools for client-side analysis, reverse engineering, […]
Taxing Growth
Setting The Stage: Growth And Guests Flat Tax Case And Book Thesis Regulation And Planning As Growth Drags Mobility, Tax Competition, And Talent Flight Political Will, Mandates, And Execution Demographics, Japan’s Lessons, And Participation Debt, Deficits, And The Inflation Trap Bond Markets, MMT Drift, And Fiscal Limits Brexit, EU Rules, And The UK Tech Boom […]