Physics

What Physics Is


The word physics essentially comes from Greek, where it translates to "nature". Physics is used to study the most fundamental and universal properties of the world around us. To describe the phenomena themselves, physics very often relies on purely mathematical tools, which frequently lead to a reinterpretation of a phenomenon based on specific formulas and mathematical equations. It is essential, and at the same time widely used, in many modern fields of science such as robotics, electronics, automation, etc.

What's on This Page

This page will feature various physics topics I am currently exploring and that seem interesting enough to share. I am currently working on thermodynamics and electricity, so a post on this subpage will most likely appear soon.

Practical Physics for Engineers
practical physics for engineers #1

Practical Physics for Engineers. First post. Complex numbers in AC circuit analysis.

Click to read: how impedance, phasors, and star/delta connections work, with a full worked AC circuit example.

09.08.2026
practical physics for engineers #2

Practical Physics for Engineers. Second post. Electromagnetic induction and the Lorentz force.

Click to read: how a changing current leads to an induced voltage and, ultimately, a mechanical force - derived step by step.

09.08.2026
practical physics for engineers #3

Practical Physics for Engineers. Third post. Transistor switching and thermal RC modeling.

Click to read: how to size a transistor switch with a flyback diode, and whether your motor will overheat running continuously.

09.08.2026
practical physics for engineers #4

Practical Physics for Engineers. Fourth post. Sizing a robot arm joint motor.

Click to read: how to work out the minimum motor torque for a robot arm joint from gravity and inertia.

11.08.2026
practical physics for engineers #5

Practical Physics for Engineers. Fifth post. Kinematics with velocity-dependent drag.

Click to read: solving for velocity and position under quadratic drag using separation of variables.

14.08.2026
practical physics for engineers #6

Practical Physics for Engineers. Sixth post. The rocket equation.

Click to read: deriving the Tsiolkovsky rocket equation with gravity losses from the variable-mass equation of motion.

14.08.2026
practical physics for engineers #7

Practical Physics for Engineers. Seventh post. Sizing a LiPo battery for an embedded system.

Click to read: working out the minimum battery capacity for an ESP32 + servo + LiDAR setup, converter losses included.

20.08.2026
practical physics for engineers #8

Practical Physics for Engineers. Eighth post. Sizing a shaft diameter (HMH stress criterion).

Click to read: combining torsion and bending into one equivalent moment to find the minimum safe shaft diameter.

20.08.2026
practical physics for engineers #9

Practical Physics for Engineers. Ninth post. The laminar velocity profile from Navier-Stokes.

Click to read: deriving the parabolic Poiseuille flow profile between two plates straight from Navier-Stokes.

20.08.2026

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