https://sudonull.com/quantum-effect-for-powering-chips-from-air-without-batteries
Scientists have discovered the nonlinear Hall effect in bismuth telluride, allowing microchips to be powered by radio signals. Learn about the technology that will rid sensors of batteries in the 6G era.
https://sudonull.com/esp32-s3-internet-radio-code-and-schematic
Assemble internet radio on ESP32-S3 with UDA1334 and OLED. Full code, I2S connection, web interface. For middle/senior IoT developers.
https://sudonull.com/wspr-protocol-python-encoding-of-callsigns
Study the WSPR design for HF radio: 4-FSK modulation, data packing into 50 bits, code examples for callsigns and locators. Implement signal propagation analysis.
https://sudonull.com/spacex-starship-laser-data-transmission-system-2200-km-test
SpaceX tested laser communication on Starship for the first time without radio interference. Learn how this changes space communications and prepares a revolution by 2027. Read the analysis.
https://sudonull.com/tkinter-todo-search-filters-csv-export
Implement status filtering, real-time search and CSV export in Tkinter ToDo. Full code with Combobox, radio buttons and csv.writer. For middle/senior developers.
https://ymaho.com/what-is-the-gold-silver-ratio-and-how-to-use-it
Learn what is the gold silver ratio and how to use it to gauge market sentiment, identify relative value, and make smarter precious metals investment decisions.
MongoDB vs PostgreSQL when to use each: compare ACID compliance, scalability, schema flexibility, and query power. Choose the right database for your project.
Google introduced Gemini Ultra 2.0 with a context of up to 10 million tokens, surpassing GPT-5. Learn about the breakthrough architecture, price of $0.0005, and impact on the AI market. Read the full analysis.
Explore the history of the semiconductor industry and how does it work. Learn chip design, fabrication, and the global impact of this vital technology. Discover more.
Discover how to learn Python for beginners with this step-by-step roadmap. Master fundamentals, data structures, and build real projects. Start your coding journey today.
Learn how to implement JWT authentication securely in your web API. This complete guide covers token issuance, validation, best practices, and production security.
SpaceX and KDDI launched satellite communication for smartphones in Japan. Learn how Starlink Direct-to-Cell works, who can access it, and what hidden geopolitical goals this project pursues.
Nvidia reached $5.4 trillion capitalization, outpacing the 10 largest companies in Europe. Analysis of growth reasons, overheating risks, and forecasts for the AI chip market. Read the review.
Analysis of EIC Tech Report 2026: 25 early deep-tech signals to strengthen Europe. Bio-inspired AI, quantum communications, biomineralization, and surgical robotics. Who wins and who loses? Read the full review.
Learn what is the difference between vpn and proxy, from encryption to scope. Discover which tool fits your privacy needs with our expert comparison.
Learn what is microservices architecture, its benefits, challenges, and key patterns like Saga and API Gateway. Understand when to use this modern approach.