Engineering Reference Blog
Statics and materials science explained clearly — for engineering students and working engineers who need a fast, reliable reference.
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Best Chairs for Engineers Starting Out on a Budget
You're spending 8–12 hours a day at a desk. Here's what actually matters in a chair — and some picks that won't break a new grad's budget.
April 20, 2026 · 3 min read
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Bending Stress in Beams: The Complete Guide
From the flexure formula to section modulus — everything a mechanical engineer needs to calculate bending stress in standard cross-sections.
April 15, 2026 · 8 min read
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Bolt Preload and Clamp Force: Fastener Engineering Fundamentals
Stress area, torque coefficients, and why torque specs alone don't guarantee the preload you think.
April 15, 2026 · 10 min read
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Factor of Safety: How to Choose the Right Value
Why FoS isn't just one number — material variability, load uncertainty, and consequence of failure all matter.
April 15, 2026 · 6 min read
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Section Properties: Area, Moment of Inertia, and Section Modulus
A reference guide for solid circles, hollow tubes, rectangular bars, and why the bending formula needs the right moment of inertia.
April 15, 2026 · 7 min read
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Mohr's Circle for Stress Analysis
Step-by-step: transforming normal and shear stresses to find principal stresses and maximum shear — without memorizing sign conventions.
April 15, 2026 · 9 min read