
Moon
Move celestial bodies and scrub through time to connect lunar phases, orbital motion, tides, and eclipses.
Physics · Mechanical engineering
Builds illustrated essays with hands-on models of physics, machinery, and geometry.
ciechanow.ski17 selected projects, with credit and a path to the original.

Move celestial bodies and scrub through time to connect lunar phases, orbital motion, tides, and eclipses.

Experiment with moving air and wing shapes to build an intuition for lift and flight.

Steer a rider and inspect the forces that let a bicycle accelerate, turn, brake, and carry weight.

Play tones and manipulate visual models to see how vibrations travel through air as sound.

Take apart a watch in 3D and follow the springs, gears, and escapement that keep time.

Drag control points to discover how a small set of coordinates can describe smooth shapes.
Explore color matching, gamuts, and the coordinate systems screens use to describe the colors we see.

Interactive article explaining how GPS works.

Interactive article explaining how ships float and maintain their stability.

Interactive article explaining how an internal combustion engine works.

Interactive article explaining how cameras and lenses work.
Interactive article explaining how lights and shadows behave.

Interactive article explaining how mechanical gears work.
Interactive article that visualizes a tesseract and the fourth dimension.
Interactive article about the motion of Earth around the Sun.
In-depth interactive explanation of the floating point format.
Drag control points and vary the curve parameter to explore the geometry behind Bézier curves.
Original publication and update records, plus explicitly labeled repository milestones.
Moon — a publication record dated in the linked source.
Moon · Source Original source via Explainer ToolsAirfoil — a publication record dated in the linked source.
Airfoil · Source Original source via Explainer ToolsBicycle — a publication record dated in the linked source.
Bicycle · Source Original source via Explainer ToolsSound — a publication record dated in the linked source.
Sound · Source Original source via Explainer ToolsMechanical Watch — a publication record dated in the linked source.
Mechanical Watch · Source Original source via Explainer ToolsGPS — a publication record dated in the linked source.
GPS · Source Original source via Explainer ToolsCurves and Surfaces — a publication record dated in the linked source.
Curves and Surfaces · Source Original source via Explainer ToolsNaval Architecture — a publication record dated in the linked source.
Naval Architecture · Source Original source via Explainer ToolsInternal Combustion Engine — a publication record dated in the linked source.
Internal Combustion Engine · Source Original source via Explainer ToolsCameras and Lenses — a publication record dated in the linked source.
Cameras and Lenses · Source Original source via Explainer ToolsLights and Shadows — a publication record dated in the linked source.
Lights and Shadows · Source Original source via Explainer ToolsGears — a publication record dated in the linked source.
Gears · Source Original source via Explainer ToolsTesseract — a publication record dated in the linked source.
Tesseract · Source Original source via Explainer ToolsEarth and Sun — a publication record dated in the linked source.
Earth and Sun · Source Original source via Explainer ToolsColor Spaces — a publication record dated in the linked source.
Color Spaces · Source Original source via Explainer ToolsExposing Floating Point — a publication record dated in the linked source.
Exposing Floating Point · Source Original source via Explainer ToolsDrawing Bézier Curves — a publication record dated in the linked source.
Drawing Bézier Curves · Source Original source via Explainer ToolsBartosz Ciechanowski writes illustrated essays that combine explanations with manipulable diagrams of physics, mechanisms and geometry.
His dated archive connects subjects including optical imaging, acoustics, orbital motion, engines and mechanical timekeeping. Readers change parameters and viewpoints within the original articles.
This selection connects 17 projects across writing. Follow the project links for the original experience; use the build log for dated context where evidence is available.
Compiled from public catalog attributions and linked original sources. Descriptions are editorial summaries, not statements made by the creator. This profile has not been claimed or endorsed.
Catalog sources gathered October 23, 2026. Primary-source access varies, particularly on social platforms. This is a selected portfolio, not a lifetime total. Images remain credited to their original creators.