Technology, AI, and notes from a long working life
Articles of a technical nature
DaVinci Resolve 20 combines video editing, color grading, visual effects, and audio post-production in one application. This beginner tutorial explains the page-based workflow, from project setup and media import to editing on the Cut and Edit pages, basic color correction, audio mixing, effects, and final export. It provides step-by-step instructions, keyboard shortcuts, pro tips, and … Read more
Text-to-video AI tools enable users to create video content from text prompts, producing realistic scenes, animations, and talking-head presentations. This guide reviews affordable options with free tiers and explains how to begin. It details platforms such as Runway Gen-3 Alpha, Pika 2.0, Luma AI Dream Machine, HeyGen, and Invideo AI, including their costs, ideal uses, … Read more
Brave browser allows users to update bookmark icons, also known as favicons, through three methods. The automatic approach simply requires visiting the bookmarked site to refresh the cached icon. Browser extensions enable custom icons by uploading images or selecting from libraries. Advanced users can manually edit the Bookmarks JSON file to replace favicon data with … Read more
This tutorial explains how to connect a cloud-hosted n8n instance with Ollama running locally on a personal computer. It covers three methods to create secure tunnels that expose the local Ollama service to the internet. The guide details setup for ngrok for quick testing, Cloudflare Tunnel for permanent use, and router port forwarding for advanced … Read more
This guide explains how to install Gpg4win and configure PGP encryption in Outlook on Windows 11. It covers creating new OpenPGP keys with Kleopatra, importing existing keys from Thunderbird, enabling the GpgOL add-in, and setting signing and encryption options. The tutorial details sending and receiving encrypted emails, exchanging public keys with contacts, troubleshooting common issues, … Read more
This tutorial explains how to unlock and permanently remove a forgotten BIOS password on an Acer Nitro 5 laptop. It details obtaining an unlock key from the BIOS prompt, generating passwords via online tools such as bios-pw.org, and entering them to access the BIOS setup. The guide then covers navigating to the Security tab, clearing … Read more
This guide explains how to install Docker Desktop on Windows 11 using WSL 2. It covers verifying virtualization in BIOS, installing WSL and Ubuntu, setting up Docker, and configuring WSL integration. The tutorial provides two options for storing projects, best practices for Git and SSH in WSL, recommended workflows for tools like Cursor AI, common … Read more
Some alternative medical practices popular around the world lack scientific evidence and are considered pseudoscience. These include homeopathy, which uses highly diluted substances based on “like cures like,” and acupuncture, which inserts needles at body points to balance energy. Chiropractic focuses on spinal manipulation to correct subluxations, while naturopathy relies on herbs, diet, and natural … Read more
The Brave web browser, launched in 2016, is a free open-source Chromium-based application that emphasizes privacy, speed, and an alternative advertising model. It automatically blocks ads, trackers, and fingerprinting while enforcing HTTPS, resulting in page loads two to four times faster than Chrome or Firefox and reduced data usage. Brave includes built-in Tor integration for … Read more
Mozilla Thunderbird uses message filters to automatically organize incoming emails based on defined criteria. Users can move messages to folders, mark them as read, delete spam, or forward emails without manual effort. The guide outlines steps to create filters through the Tools menu, set conditions like sender or subject keywords, define actions such as moving … Read more