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Supply Chain Security

Faraday's Law of Induction Explained: Generators to Wireless Chargers

Faraday's law: a changing magnetic flux induces an EMF equal to minus its rate of change. Worked examples for generators, transformers and Qi chargers.

Oct 24, 202655 min read
Supply Chain Security

Hooke's Law Explained With Worked Examples, Springs to Steel Beams

Hooke's law says stretch is proportional to force, F = −kx. Stress, strain and Young's modulus, worked spring, suspension, rod and beam examples, and limits.

Oct 24, 202649 min read
Supply Chain Security

Self-Hosted Matrix Homeserver: Federation, Encryption, Bridges, Hardening

A Matrix homeserver stores chat history and federates it. Run Synapse on PostgreSQL behind TLS, close registration, back up the signing key, patch fast.

Oct 24, 202645 min read
Supply Chain Security

IP-KVM for a Homelab: Remote Console, BIOS Access and Security

An IP-KVM gives you a server's screen, keyboard, power button and virtual USB drive over the network. Here is how it works and how to lock it down.

Oct 24, 202649 min read
Supply Chain Security

FINOS Explained: Governance, Projects and Common Cloud Controls

FINOS is the Linux Foundation's home for financial services open source. Learn its governance, lifecycle, projects and Common Cloud Controls.

Oct 24, 202645 min read
Supply Chain Security

Rank Math PRO 3.0.123 Backdoor (CVE-2026-111862): What to Check Now

Rank Math PRO 3.0.123 copies fetched 15 to 16 Oct 2026 held a self-restoring backdoor. Check activation, clean in order, rotate secrets, then use 3.0.124.

Oct 24, 202635 min read
Supply Chain Security

Kepler's Laws Explained With Worked Examples, Planets to Satellites

Kepler's three laws: elliptical orbits, equal areas in equal times, and T² ∝ a³. Worked examples for Mars, geostationary, 550 km, GPS and TLE data.

Oct 24, 202647 min read
Supply Chain Security

Embedded Controller Firmware Explained: What the EC Does in a Laptop

The EC is a small microcontroller that runs a laptop's keyboard, charging, fans and power button. How the OS talks to it and how its firmware is updated.

Oct 24, 202646 min read
Supply Chain Security

NVMe over Fabrics Explained: NVMe/TCP, RDMA, Discovery and Security

NVMe over Fabrics sends NVMe commands over TCP, RDMA or Fibre Channel. How discovery, NQNs and capsules work, and how to lock a fabric down.

Oct 24, 202648 min read

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