Real world ↔ Geometry
Stop studying geometry.Start seeing it.
A parabola isn't an equation — it's the bridge cable hanging over your head. Slope isn't a formula — it's the staircase you climb every day. Pull the concept out of the real world, strip it back layer by layer, follow it all the way to the equation.
This is not a solver. We don't hand you answers — we teach you to see.
Approach
Three layers, one scene
Every concept lives in three versions of the same scene. As you move between layers the real object never disappears — it dims and stays underneath, so you can see where the maths came from.
- 01
Real world
An object you already know. A bridge, a staircase, a wheel. No mathematics yet — you're just looking.
- 02
Geometric schematic
Shape settles onto the object. Everything unnecessary is erased, the relationship remains. The object is still there underneath.
- 03
Analytic model
Axes arrive, the equation gets written. Now the formula isn't abstract — it's a description of what you were just looking at.
Library
Concepts
4 concepts
The Parabola
Open →Suspension bridge cable
Why does a bridge cable hang in exactly that curve?
Slope
Open →A staircase
You can tell whether a staircase will tire you out before you climb it.
The Circle
Open →A bicycle wheel
A wheel doesn't work because it's round. It works for a different reason.
The Coordinate System
Open →A football pitch
Where exactly is 'out on the left wing'? Two numbers end the argument.
Members only
Concepts for members
26 concepts
Shadows and Trigonometry
A pole and its long shadow
You can measure a tree's height without ever touching it.
The Catenary
A power line between two poles
A power line and a bridge cable do not trace the same curve — but your eye cannot tell them apart.
Similarity and Ratio
A sighting scope and a measuring staff
A 60 cm staff is not bigger than a 45 m building. It covers it anyway.
Founding pack
15 days of full access
Have your own photos read, open every member-only concept, keep your progress. Not a subscription — it doesn't renew itself, and when it ends you decide whether to carry on.
One-time payment. Walk away whenever you like.
Mailing list
The library keeps growing
We're working on new concepts. We'll let you know when they land — one email, and you can leave whenever you like.