Clear explanations of modern systems.
How Things Work is a growing library of calm, structured explainers about the systems behind everyday life — power, water, communications, transportation, manufacturing, and more.
What you’ll find here
Evergreen, system-level explanations that avoid hype, avoid oversimplification, and focus on how the parts fit together.
How we write
Structured headings, clear definitions, and practical intuition — written for an international English audience.
Start here
Cornerstone articles (first cluster)
How Power Grids Work
How electricity is generated, transmitted, distributed, and balanced in real time.
How the Internet Works
Packets, routing, DNS, and the layered architecture that moves data worldwide.
How Water Treatment Works
From intake to filtration and disinfection — how clean drinking water is produced.
How Wastewater Treatment Works
How sewage is cleaned and returned safely to the environment.
How GPS Works
Timing, satellites, trilateration, and why accurate clocks matter.
How Cell Towers Work
Cells, handoffs, spectrum, and how your phone stays connected on the move.
How Airplanes Fly
Lift, thrust, drag, and the control surfaces that keep aircraft stable.
How Factories Automate Production
Sensors, PLCs, robotics, and feedback loops behind modern manufacturing.