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Supply Chain Security

What Is an MBOM? Manufacturing BOMs in CycloneDX Formulation Explained

A CycloneDX MBOM records how a product was made: formulas, workflows, tasks and steps. Here is how it differs from the ERP kind, with a valid example.

Oct 23, 202640 min read
Supply Chain Security

Which Regulations Require Which BOM? SBOM, AIBOM, CBOM, HBOM by Regime

Only the SBOM is required by law today: by the EU CRA and FDA rules for cyber devices. AIBOM, CBOM, HBOM and VEX sit in guidance. A regime by regime map.

Oct 23, 202635 min read
Supply Chain Security

Model Card vs Dataset Card vs AIBOM: Which Document Answers What

Model cards explain intended use and limits, dataset cards explain where data came from, and AIBOMs list parts, hashes and licences machines can check.

Oct 23, 202643 min read
Supply Chain Security

Maxwell's Equations Explained: From Faraday to Radio, Wi-Fi and Fiber

Maxwell's four equations say how charges and currents make electric and magnetic fields, and predict light as a wave. Worked examples for radio, Wi-Fi, fiber.

Oct 23, 202648 min read
Supply Chain Security

Build a 3-Node Homelab Kubernetes Cluster With GPU Passthrough

Run Proxmox VE on three nodes, bind the GPU to vfio-pci, pass it to a VM, build HA k3s with embedded etcd, then add the NVIDIA toolkit and device plugin.

Oct 23, 202646 min read
Supply Chain Security

Schrödinger Equation Explained: Wave Functions, Tunnelling, Transistors

The Schrödinger equation says how a quantum wave function changes in time. Worked examples, tunnelling in flash and transistors, and Python you can run.

Oct 23, 202648 min read
Supply Chain Security

How Lithium-Ion Batteries Are Made: From Mine to Cell to Pack

Lithium-ion batteries go from mined lithium, nickel, cobalt and graphite to coated electrodes, sealed cells, formation cycling and packs with a BMS.

Oct 23, 202649 min read
Supply Chain Security

How Semiconductors Are Made: From Sand to Chip, Step by Step

Quartz becomes silicon, then ultra pure polysilicon, a crystal ingot and wafers, then hundreds of patterning steps, testing and packaging into a chip.

Oct 23, 202644 min read
Supply Chain Security

BOM-Link Explained: Link an SBOM, VEX, CBOM and AIBOM for One Release

BOM-Link is a CycloneDX URN that points at another BOM, or one element in it, by serial number and version. Here is how to link one release's BOM set.

Oct 23, 202633 min read

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