Learn

Learn the basics, work with free imagery and finish with a land cover map you tested honestly.

Best for: Analysts, planners and students new to GIS or satellite data

1. 1GIS basics: rasters, vectors and coordinate systemsConcept · 6 min
2. 2GeoAI in plain languageConcept · 8 min
3. 3Resolution in satellite imagery: GSD, revisit time and bandsConcept · 7 min
4. 4Compute NDVI from Sentinel-2 imagery with PythonTutorial · 11 min
5. 5Classify land cover with a random forest in PythonTutorial · 13 min
6. 6Show your data on a web map with MapLibreTutorial · 12 min
7. 7How to scope a GeoAI projectGuide · 6 min

AI can draft the code, the model and the scene. People are still needed to develop, fine-tune and put them in context, and that takes the fundamentals.

Best for: Anyone who wants to understand, check and adapt what AI builds, not just run it

1. 1Back to basics: why maths and science still matter when AI can write the codeConcept · 6 min
2. 2Vectors, coordinates and transformations: the maths behind every map and 3D sceneConcept · 7 min
3. 3The Earth is not a sphere: datums, heights and distance for GeoAIConcept · 6 min
4. 4Light, spectra and the physics behind remote sensingConcept · 6 min
5. 5Statistics and uncertainty: how to tell whether a map or model is rightConcept · 6 min
6. 6How cameras capture 3D: optics, parallax and photogrammetryConcept · 6 min
7. 7The human body in VR and mixed reality: perception, latency and comfortConcept · 6 min
8. 8How machine learning models learn: loss, gradients and why data mattersConcept · 6 min
9. 9Maths in code: distances on the Earth and rotations in 3D with PythonTutorial · 11 min
10. 10How to check AI-generated GIS, 3D and machine learning code before you trust itGuide · 6 min

Understand how it works, split documents well, build a pipeline and prove it answers correctly.

Best for: Teams building an AI assistant over their own documents

1. 1RAG explained: how AI answers from your own documentsConcept · 7 min
2. 2Embeddings in plain language: how AI measures meaningConcept · 6 min
3. 3Chunking for RAG: how to split documents so AI can find answersConcept · 6 min
4. 4Build a minimal RAG pipeline in PythonTutorial · 12 min
5. 5How to evaluate a RAG assistant before you trust itGuide · 6 min

Learn the language and how AI works first, then check your readiness, run one measured pilot and understand the two big building blocks.

Best for: Leaders and small teams deciding where to start

1. 1AI basics: the essential terminology, in plain languageConcept · 10 min
2. 2How does AI work, and what are the branches of AI?Concept · 10 min
3. 3AI readiness checklist for your organizationGuide · 6 min
4. 4Your first AI pilot: pick one task and measure it for 30 daysGuide · 6 min
5. 5RAG explained: how AI answers from your own documentsConcept · 7 min
6. 6AI agents explained: from answering to actingConcept · 7 min

From choosing the right technology to capturing a real place, working with meshes and Gaussian splats, publishing it and training people with it.

Best for: Anyone considering immersive experiences, a digital twin, 3D capture or VR training

1. 1VR, AR and mixed reality: which one do you need?Concept · 6 min
2. 2Digital twins, explained: a living model of a real placeConcept · 6 min
3. 3How cameras capture 3D: optics, parallax and photogrammetryConcept · 6 min
4. 4Capturing a real place in 3D: a field checklistGuide · 7 min
5. 5Meshes, point clouds, NeRFs and Gaussian splats: how to choose a 3D representationConcept · 6 min
6. 6Gaussian splatting explained: photoreal 3D from photos, in real timeConcept · 6 min
7. 7Capture a place and turn it into a Gaussian splatTutorial · 7 min
8. 83D file formats explained: glTF, OBJ, point clouds and 3D TilesConcept · 6 min
9. 9How to optimise 3D models for the web, phones and headsetsGuide · 6 min
10. 10Publish a 3D model on the web, with AR on phonesTutorial · 11 min
11. 11The human body in VR and mixed reality: perception, latency and comfortConcept · 6 min
12. 12How to plan a VR training programme that people actually finishGuide · 7 min
13. 13What is new in 3D and spatial computing: a field guide to the recent changesConcept · 6 min

Seven short stories about ratios, averages, probability, geometry, change, growth and optimisation, then the two ideas that power modern AI and 3D.

Best for: Anyone who was told maths is useful and never saw where, from students to managers

1. 1The story of the two districts: ratios, percentages and why raw numbers lieConcept · 7 min
2. 2The story of the two rivers: averages, spread and the outlier that changes everythingConcept · 7 min
3. 3The story of the positive test: probability, base rates and why surprising results are often wrongConcept · 7 min
4. 4The story of the tallest tree: geometry, angles and how we measure what we cannot reachConcept · 7 min
5. 5The story of the water tank: rates of change, slopes and totals, with no fear of calculusConcept · 7 min
6. 6The story of the lily pond: exponential growth, compounding and doublingConcept · 7 min
7. 7The story of the delivery rider: optimisation, constraints and finding the best answerConcept · 8 min
8. 8Vectors, coordinates and transformations: the maths behind every map and 3D sceneConcept · 7 min
9. 9How machine learning models learn: loss, gradients and why data mattersConcept · 6 min

Plain-language decoders for AI, web, software, data, cloud, security, geospatial, immersive and emerging technology vocabulary.

Best for: Managers, founders, students and new team members who nod along in technical meetings

1. 1AI basics: the essential terminology, in plain languageConcept · 10 min
2. 2How does AI work, and what are the branches of AI?Concept · 10 min
3. 3Web and internet jargon decoded: from IP address to APIConcept · 6 min
4. 4Software development jargon decoded: repos, builds, releases and sprintsConcept · 6 min
5. 5Data jargon decoded: databases, warehouses, pipelines and dashboardsConcept · 6 min
6. 6Cloud and infrastructure jargon decoded: servers, containers and serverlessConcept · 6 min
7. 7Security and privacy jargon decoded: encryption, authentication and zero trustConcept · 6 min
8. 8Geospatial jargon decoded: GIS, GNSS, LiDAR, DEM and the restConcept · 6 min
9. 9Immersive tech jargon decoded: XR, passthrough, 6DoF and spatial computingConcept · 7 min
10. 10Emerging tech jargon decoded: IoT, 5G, blockchain, edge and quantum without the hypeConcept · 7 min