China Races to Develop Homegrown Chip Lithography to Rival ASML

China is pushing to develop its own advanced semiconductor lithography technology, aiming to reduce dependence on Dutch firm ASML, the world's dominant supplier of chipmaking equipment. ASML's extreme ultraviolet (EUV) machines are critical for producing cutting-edge chips, but export restrictions have blocked China from accessing them. Beijing has responded by heavily investing in domestic alternatives through state-backed companies such as SMEE. However, experts note that China still faces a significant technological gap, as replicating ASML's decades of engineering expertise and complex global supply chain remains an enormous challenge.

Floods to war: PSU oil firms shine in times of crisis

France Reports 1,000 Excess Deaths in Heatwave, Mostly Among Elderly

France recorded approximately 1,000 excess deaths during a recent heatwave, according to Public Health France. The elderly were disproportionately affected, with those aged 65 and over accounting for 85 percent of the fatalities. Regions placed under red heat alerts experienced the worst impacts. The figures highlight the severe public health toll that extreme heat events can inflict on vulnerable populations.

AI-Built React Websites Often Invisible to Google Due to Client-Side Rendering

Websites built using AI coding tools like Lovable, Bolt, or v0 frequently go unranked on Google because these tools default to React single-page applications that rely on client-side rendering. In this setup, the server delivers a near-empty HTML shell, and page content is only assembled after JavaScript runs in the browser — something search engine crawlers may never wait for. The result is that a site can appear fully functional to users while remaining completely invisible to Google's indexing systems. The core issue is that AI builders optimise for how a site looks in preview, not for how it is crawled. Developers can address this by using server-side rendering frameworks like Next.js or Remix, or static site generators like Astro, which deliver complete HTML in the first server response.

Dev Builds Gridzo, a Shared Competitive Gaming Platform Using Unity, Next.js and DynamoDB

An indie developer created Gridzo, a cloud-native platform designed to provide shared competitive infrastructure — including authentication, leaderboards, player profiles, and match history — for multiple games. The project was submitted as part of the H0 Hackathon and was motivated by the repetitive backend work required for each new competitive title. The platform's frontend runs on Next.js via Vercel, while game assets are hosted on Amazon S3 and served through CloudFront, with Firebase handling authentication and DynamoDB storing persistent data. The first game on the platform, Sky City Rush – Competitive, is a Unity WebGL racing game that communicates race results to the web backend through a JavaScript bridge. The architecture is designed so that future games can plug into the same competitive ecosystem without rebuilding backend systems from scratch.

Developer Builds CLI Tool to Keep Personal Data Private from AI

A developer named Lakshya Prajapati published a project on DEV Community on June 28 focused on personal data privacy. The tool appears to be a CLI-based solution aimed at preventing private data from being exposed to AI systems. The post was tagged under 'showdev,' 'ai,' 'cli,' and 'privacy,' indicating it is a developer-built open-source or personal project. It received four reactions from the community and was shared as a one-minute read. The project reflects growing developer concern over how personal data is handled by AI-powered platforms and tools.

Key Home Loan Mistakes Borrowers Must Avoid to Save Money and Stress

Taking a home loan is a major financial decision, but many buyers fall into avoidable traps that can lead to rejection or long-term stress. Common errors include failing to check loan eligibility beforehand and overlooking the importance of maintaining a healthy credit score. Borrowing beyond one's repayment capacity is another frequent mistake that can strain finances over time. Experts recommend thoroughly comparing lenders and fully understanding loan terms before committing. Saving adequately for a down payment is also highlighted as essential for a smoother home-buying experience.

Trainee Pilot Injured by Running Propeller While Deboarding Aircraft at Kanpur Airport

A cadet pilot sustained severe back injuries after being struck by a running propeller while deboarding a trainer aircraft at Chakeri Airport in Kanpur. The incident occurred at Garg Aviation, a flying training organization operating at the facility. India's Directorate General of Civil Aviation has initiated a formal investigation into the matter. The probe has brought attention to a reported practice of allowing trainees to disembark aircraft while engines are still running, apparently to speed up training schedules. The incident raises broader concerns about safety standards within certain Indian flying training organizations amid the country's rapidly expanding aviation sector.

Pilgrims stranded in Nepal, MEA issues Mansarovar Yatra advisory

Developer Builds Privacy-First AI Voice Assistant That Runs Entirely Locally

A developer created Churo, an open-source AI voice assistant designed to run locally without sending user data to external servers. The project was motivated by growing concerns over how mainstream AI tools like ChatGPT and Gemini handle personal data stored in remote data centres. Churo functions as a terminal-based copilot equipped with text-to-speech, speech-to-text, image generation, image analysis, and agentic capabilities. The tool is available on GitHub and can also be installed via Python's pip package manager using the 'churovoice' command.

Jangoo Hits Double-Hundred on Debut After Late Call-Up in Historic WI Innings

Amir Jangoo scored a double-hundred for the West Indies after receiving a late call-up to the squad, describing it as an amazing day. Captain Roston Chase also returned to form with a century, ending a wait of over seven years since his last Test hundred. The two batters combined for a massive sixth-wicket partnership that powered the West Indies to a commanding total. Jangoo's debut double-hundred marked a rare and remarkable achievement in Test cricket. The innings underlined the depth of West Indian batting talent with both players delivering standout individual performances.

Developer Shares Personal Framework for Handling Conflict and Difficult People

A developer writing for DEV Community recounted a long, iterative day of problem-solving that led to a personal insight about handling difficult interactions. Through repeated trial and error, they arrived at a simple principle: listen first, then decide whether to engage or disengage without explanation. They described mentally reframing hostile or manipulative behavior as data points rather than personal attacks. Over time, they reasoned, enough such observations can reveal patterns and inform better responses. The insight, they noted, was self-discovered through experience rather than taught.

NYC Mayoral Candidate Mamdani Breaks Pool Dress Code at Season Opening Event

New York City mayoral candidate Zohran Mamdani violated the dress code at a public swimming pool during an official season-opening event. He was joined in the pool by Manhattan Borough President Brad Hoylman-Sigal and Parks Commissioner Tricia Shimamura. The incident occurred as the city marked the start of its outdoor pool season. Mamdani later defended his actions, stating he had simply assumed his attire was acceptable.

How Refactoring a Single NDVI Pipeline Built a Scalable Spectral Analytics Engine

A developer building an agricultural remote sensing platform initially designed the system around a single spectral metric, NDVI, with separate code paths for each satellite data source including Sentinel-2, Landsat, and MODIS. When a request to add the moisture index NDMI arrived, it exposed a deeper architectural flaw: every new index multiplied redundant pipelines, loaders, and maintenance overhead across the codebase. Rather than patching the problem, the developer refactored the system around three core abstractions — spectral formula registries, sensor band mappings, and a unified compute engine — decoupling scientific logic from provider-specific conventions. The redesigned engine resolves universal band identifiers at runtime, meaning it no longer needs to know which satellite produced the imagery. The result is a data-driven platform where adding a new spectral index requires only registering a formula, leaving the underlying compute infrastructure untouched.

Five Practical Ways Developers Can Use AI Tools Without Overhyping Them

A guide aimed at software developers outlines five grounded approaches to integrating AI into daily coding workflows. Key recommendations include using AI to generate overlooked test cases, refactoring code with specific constraints rather than vague prompts, and requesting context-aware explanations tied to a real codebase. The guide also stresses a 'trust, then validate' loop, urging developers to test AI-generated code, double-check security-related suggestions, and verify any stated facts independently. A reusable prompt template is proposed, covering goal, context, input, output format, and constraints to improve response quality. The author concludes that AI is best used to quickly surface multiple options, while human judgment, testing, and code reviews remain essential for final decisions.

How Delta Tables Work Inside Microsoft Fabric's Lakehouse Storage

Delta tables are the default table format in Microsoft Fabric's Lakehouse, built on Parquet files and enhanced with a transaction log stored in a dedicated _delta_log folder. This transaction log records every insert, update, delete, and schema change as a sequential JSON file, enabling features like ACID transactions, time travel, and schema enforcement. Each Delta table in the Lakehouse is physically stored under the Tables folder in OneLake, Fabric's unified ADLS Gen2-compatible storage layer, as a collection of compressed columnar Parquet files read in parallel by Spark. Unlike plain Parquet files, Delta tables support actual row-level updates and deletes, making them far more suitable for analytical workloads. Tables created via Spark, pipelines, or Dataflows are automatically registered and become queryable through the Lakehouse's SQL endpoint without manual configuration.

How Apache Spark Powers Big Data Processing Inside Microsoft Fabric

Apache Spark is an open-source distributed computing engine that splits large data processing tasks across multiple machines working simultaneously, enabling fast handling of massive datasets. Microsoft Fabric integrates Spark deeply, automatically provisioning and managing clusters so users do not need to configure infrastructure themselves. Spark's architecture relies on three components — a Driver that plans tasks, a Cluster Manager that allocates resources, and Executors that perform the actual data processing in parallel. The engine uses lazy evaluation, meaning it builds an optimized execution plan before running any transformations, improving efficiency. Within Fabric, users can process hundreds of gigabytes of data stored in OneLake within minutes using PySpark or Spark SQL.

How to Build Type-Safe Next.js Server Actions Using Zod and Discriminated Unions

A developer has shared a structured pattern for building type-safe Server Actions in Next.js App Router, addressing common pitfalls around validation and error handling. The approach uses Zod schemas to validate incoming data at runtime, catching issues that TypeScript's static typing alone cannot prevent. A discriminated union type called ActionResult ensures every action returns a consistent success or error shape, giving client-side code a reliable contract to work with. Custom React hooks wrap the server actions to manage pending states and surface errors cleanly in the UI. The pattern was developed while building the generation pipeline for an AI wallpaper tool and is presented as a scalable alternative to ad hoc validation across individual actions.

Bitcoin Drops Below $60,000, Heading for Consecutive Quarterly Losses

Bitcoin has fallen below the $60,000 mark, declining nearly 7% over the course of the week. Altcoins have fared even worse, recording steeper losses than Bitcoin during the same period. Both Bitcoin and Ether are closing the second quarter in negative territory, marking a losing first half of the year. This back-to-back quarterly decline is considered unusual, running counter to Bitcoin's typical historical performance patterns.

AI-Generated Blog Invented a Fake Company That Now Ranks on Google for Due Diligence Searches

A developer building an automated blog platform discovered that a fictional company called TechFlow Solutions, written into a TypeScript prompt template as a case study example, ended up being used by an AI in a published blog post about M&A exit multiples. Google indexed the post and began surfacing it at position 7 in search results for queries combining the fake company's name with professional due diligence terms like 'normalized LTM EBITDA' and 'quality of earnings.' Over 28 days, the post accumulated 80 impressions, making it the site's best-performing blog page, yet it attracted zero clicks because it could not satisfy what appeared to be genuine financial research queries. The developer traced the chain back to a fictional case studies block in prompt-builder.ts, where TechFlow Solutions was described as a Stockholm-based IT consulting firm with SEK 22M in revenue. The incident highlights an unintended consequence of injecting fictional examples into AI content prompts, where invented details can be indexed and mistaken for real-world data.