Emails That Land: A Practical Playbook for SPF, DKIM, DMARC, and Bulk Sender Rules
Gmail and Yahoo changed the rules. Here’s a clear, practical guide to authenticate email, cut spam complaints, and keep your messages in the inbox.
IPv6 at Home and Work: A Practical Setup Guide That Actually Works
A clear, hands‑on guide to turning on IPv6 in homes and small offices—addressing, privacy, firewalls, NAT64, and reliable troubleshooting.
Peer-to-Peer Apps in the Browser: Practical WebRTC Data Channels for Multiplayer and Sharing
Build fast, private web apps that talk directly between users. Learn signaling, NAT traversal, reliability modes, backpressure, and safe deployment.
Deploy Battery‑Free Ambient IoT: Backscatter Tags for Shelves, Pallets, and Cold Chains
A practical guide to rolling out battery-free ambient IoT tags that harvest energy, stream IDs and sensor data, and make retail and logistics smarter.
Personalize Image Models With LoRA at Home: Data, Training, and Safe Publishing
A practical guide to tuning image models with LoRA on consumer hardware—covering data, training choices, evaluation, and safe release.
Carbon‑Aware Apps You Can Actually Build: Use Grid Signals to Cut Emissions Without Slowing Users
Turn real‑time grid data into friendly app decisions. Shift background work, pick cleaner regions, and cut CO2e without breaking your SLAs.
Verifiable Credentials That Work: Wallets, Issuers, and Flows You Can Ship
A practical guide to building verifiable credential flows with real wallets and standards, from issuance to privacy‑safe verification.
Assistive Reading That Works: Practical Dyslexia-Friendly Tools on Phones and Browsers
Turn any phone or laptop into a kinder reading space. Set up voices, spacing, and focus tools that actually help kids and adults with dyslexia.
eSIM That Just Works: Travel, Dual Lines, and Fleet Management Without Headaches
A clear, step‑by‑step guide to using eSIM for travel, dual numbers, laptops, and business fleets—plus tips to avoid activation and security snags.
Digital Twins for Small Workshops: Build a Live, Visual Shopfloor Model in Weeks
A practical guide to build a browser-based digital twin for a small factory, with live data, 3D views, and a simple simulator you can trust.