STEM Hub journal
Science, explained
from first principles.
Documented articles that connect equations to physical meaning, careful units, worked examples, and the limits of each model.
3 articles
Physics
Mechanics, electricity, waves, optics, and the equations that describe physical systems.
Equivalent Resistance: Why Series and Parallel Circuits Behave Differently
Derive the equivalent-resistance equations from current and voltage, then use physical checks to catch circuit mistakes.
Read articleFrom Wavelength to Photon Energy: Reading the Electromagnetic Spectrum
Connect wavelength, frequency, and photon energy using exact constants and dimensional reasoning.
Read articleThe Safety Parabola: The Boundary of Ideal Projectile Motion
Define the safety parabola, derive its equation from the projectile trajectory, and use it to decide which points are reachable at a fixed launch speed.
Read article2 articles
Chemistry
Solutions, gases, chemical quantities, and models built around composition and change.
Molarity and Dilution: Tracking Solute Through a Solution
Understand what molarity measures, why dilution conserves solute, and how unit discipline prevents common errors.
Read articleThe Ideal Gas Law: Units, Rearrangements, and Where the Model Breaks
Use PV = nRT consistently, understand its molecular assumptions, and recognize non-ideal conditions.
Read article1 article
Scientific computing
Numerical precision, calculator behavior, rounding, and reliable scientific computation.