NEPA Environmental Review: What Does a Federal Project Need After the 2026 Changes?
Federal projects face one of three NEPA tiers: exclusion, assessment or impact statement. Here is how the 2023 deadlines, a 2025 Supreme Court ruling and…
Peter Kalafatis
How Phage Proteases Switch On CBASS Immunity in Bacteria
A Science paper reports that a phage’s own protease cuts a bacterial sensor and starts CBASS immunity. What was found, what is missing, and why…
systemd Timers vs Cron: Schedule Jobs With a .timer and .service Pair
Compare cron with systemd timers, then copy a working .service and .timer pair. Covers OnCalendar syntax, Persistent=, RandomizedDelaySec, systemctl list-timers and journalctl for logs.
Entra Risk Policies Retirement: How to Migrate Now
The legacy Entra risk policies in ID Protection were set to retire October 1, 2026. Rebuild them in Conditional Access, report-only first, then switch on.
Yamaha R200A Stereo Receiver: 100 Watts, Phono and Bluetooth for $299.95
The Yamaha R200A replaces the R-S202 with 100W per channel, a phono input and Bluetooth multipoint. Specs, price, the math of 100 watts, and unknowns.
Wireshark First Capture: Filters, DNS Lookups and TCP Streams
A question-and-answer guide to a first Wireshark capture: what you may legally capture, capture versus display filters, spotting a DNS lookup and following a TCP…
AI Agent Sandbox Escape: How a DNS Lookup Broke Containment
The AI agent sandbox escape that OpenAI disclosed on September 25 involved no zero-day, no stolen password and no exploit chain. It involved name resolution….
Fire TV Stick 4K (2026): What Vega OS Changes for $59.99
The 2026 Fire TV Stick 4K costs $59.99 and runs Vega OS, a Linux-based system with no sideloading. Specs, speed claims, remote and open questions.
California Legalizes Balcony Solar: What SB 868 Allows, and the Math Behind It
California’s new balcony solar law lets renters plug in up to 1,200 W without utility approval. What SB 868 says, the math, and what’s unconfirmed.
How to Test a Fuse, Diode and Capacitor With a Multimeter
Plain answers on testing a fuse (continuity), a diode (diode-test mode) and a capacitor (capacitance mode), including why capacitance alone cannot catch a high-ESR electrolytic.