Machinery Matters publishes a structured series of technical articles and companion calculators on pressure and head for process plant work. Readers get clear definitions, worked examples and verified tools for interpreting real plant pressure readings.

A civil engineer writes detailed forensic case studies of structural failures, currently focused on tailings dam disasters such as Feijão and Merriespruit. Each issue gives key facts, technical background, construction history and the human and ethical factors behind the failure.

A blog-style newsletter that explains advanced math and science topics such as category theory, topos theory and chaos theory in plain language, alongside essays on education and intelligence. Readers get approachable explanations mixed with the author's personal opinions and commentary.

A monthly newsletter from structural engineer and author Roma Agrawal exploring the objects we build, the people who design them, and their impact on the world. Issues mix personal reflection, author interviews, and short histories of inventors and materials.