Foundations of Energy
How energy is stored, transferred and transformed — from falling objects to living cells.
Graph explorer
Explore the knowledge graph
31 concepts viewed through this lens. Bridge concepts connect this view to Algebra, Astronomy, Audio Engineering, Audiology….
Legend
- Focused concept
- Connected concept
- Bridge concept (just outside the lens)
- Arrow points from cause / source to effect / target
- A line with no arrow is a two-way relationship
- Node colour marks the concept’s primary discipline
22 concepts23 relationships26 disciplines4 relation families
Helmholtz resonance
Open concept →At a glance
The resonance of air in a cavity with a narrow opening, as in a bottle or bass port.
- Disciplines
- Acoustics · Physics
- Role in the graph
- Leaf concept
- Relationships
- 1 · 1 relation families
- Mental models
- 1
What am I looking at?
In this lens (31)
Bridge concepts (41)
Just outside the lens — they connect it to other context.
- Music, Physics · connects to Acoustic impedance, Infrasound, Sound absorption…
- Mathematics, Music, Physics · connects to Doppler effect, Equal-loudness contour, Fundamental frequency…
- Optics, Physics · connects to Beat frequency, Standing wave, Wave
- Cognitive Science, Music, Physics · connects to Equal-loudness contour, Phon, Sone
- Optics, Physics · connects to Acoustic impedance, Echo, Reverberation
Insights from this view
Structural observations about the concepts shown here — descriptions of this graph, not claims about the world.
- This view connects 26 disciplines: Acoustics, Astronomy, Audio Engineering, Biology, Civil Engineering, Electromagnetism, Engineering, Environmental Engineering, Human-Computer Interaction, Linguistics, Mechanical Engineering, Mechanics, Music, Music Theory, Musicology, Nutrition Science, Oceanography, Optics, Phonetics, Phonology, Physics, Poetics, Psychoacoustics, Quantum Physics, Systems Biology, Systems Science.
- Helmholtz resonance is a bridge concept — viewed here through Acoustics, Physics.
- The connections here span 4 relation families.
- Wave explains 11 concepts in this view (Acoustics, Astronomy, Civil Engineering, Electromagnetism, Mechanical Engineering, Music, Music Theory, Musicology, Oceanography, Optics, Physics, Psychoacoustics, Quantum Physics).
Relationships as a list
The focused concept’s relationships. Pick another concept in the graph above to update this list.
Explore through a different lens
A lens is a deterministic projection of the graph. Pick a discipline, thinking pattern or journey to reframe the whole view.
By thinking pattern
Bayesian updatingCause and effectCompoundingConservationConstraintsDefense in depthDiffusion & spreadEmergenceEnergy transformationEntropy & irreversibilityEquilibriumFeedback loopIncentivesInformationLevels & hierarchyModularityNetworksOptimizationOscillationProbabilityRecursion & self-similarityScaleSignal vs noiseSource–pathway–receptorStocks and flowsSymmetry & invarianceThresholds & tipping pointsTrade-offsTriangulationVariation & selectionWaves
Concept collections
Concept collections are curated lenses onto the fabric — themed sets of ideas that recur across disciplines. They are not journeys; they are a way to read the graph.
Understanding Systems
Stocks, flows and feedback — why wholes behave in ways their parts do not.
Patterns Everywhere
Regularities that recur across maths, music, nature and art.
How Information Moves
Encoding, signals and noise — the same idea in computers, genes and nerves.
About this view
What this is
Start from one concept and expand outward. The view never shows everything at once — click a node to refocus, filter by relationship type, or switch to an accessible list.
One fabric
3750 concepts and 5051 typed relations form one connected component — no isolated silo.
How to read it
Focus a concept, or apply a lens (discipline, mental model, journey) to see only the threads that matter.