Start with sources.
Original patents, papers, standards, and makers’ documents support the explanation. Every number has a source.
Hidden Workings makes illustrated videos about everyday machines. Here is how an observation becomes an explanation you can check.
Primary sources. Flat technical drawings. Kokoro text-to-speech narration. And a clear account of what the drawings leave out.
See a checked example ↓The drawings are simple on purpose. The sources let you look closer.
Original patents, papers, standards, and makers’ documents support the explanation. Every number has a source.
Start with something you have noticed. Make a guess. Then follow the parts until you can predict what happens next.
Flat technical illustrations show the parts that matter. Each video lists what has been simplified on purpose.
The narration uses Kokoro, a text-to-speech model. It is a synthetic voice, paired with the drawings.
From the microwave explainer. These are the notes behind the explanation.

The waves do not get far into your soup. So what carries the heat the rest of the way?
Watch the microwave explanation →Every video description lists its sources. The microwave notes include:
Each full explanation has its own sources and notes on what was simplified.
Browse the explainers →Leave a comment on a video. Tell us what you have noticed and what you would like explained.
Find Hidden Workings on YouTube ↗One everyday machine at a time, with sources you can follow and drawings you can learn from. Subscribe on YouTube for new explanations.
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