Thinking·OS

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Explore the knowledge graph

Frequency is part of Sound wave. Activate to inspect this relation.Pitch depends on Frequency. Activate to inspect this relation.Harmonic ratio is derived from Frequency. Activate to inspect this relation.Auditory perception depends on Sound wave. Activate to inspect this relation.Pitch is part of Auditory perception. Activate to inspect this relation.Frequency measures Oscillation. Activate to inspect this relation.Wavelength influences Frequency. Activate to inspect this relation.Pitch emerges from Oscillation. Activate to inspect this relation.Melody emerges from Pitch. Activate to inspect this relation.Fundamental frequency is a Frequency. Activate to inspect this relation.Fundamental frequency causes Pitch. Activate to inspect this relation.Timbre is commonly confused with Pitch. Activate to inspect this relation.Equal-loudness contour depends on Frequency. Activate to inspect this relation.Missing fundamental applies to Pitch. Activate to inspect this relation.Mel scale models Pitch. Activate to inspect this relation.Cutoff frequency is a Frequency. Activate to inspect this relation.PitchFrequencyOscillationAuditory perceptionMelodyFundamental frequencyTimbreMissing fundamentalMel scaleWavelengthSound waveHarmonic ratioCutoff frequencyEqual-loudness contour
Relationship types
Legend
  • Focused concept
  • Connected concept
  • 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
14 concepts16 relationships13 disciplines5 relation families

At a glance

How high or low a note sounds — our perception of frequency.

Disciplines
Physics · Cognitive Science · Music
Role in the graph
Cross-disciplinary bridge — reaches Acoustics, Biology, Mathematics, Mechanics, Music Theory, Musicology, Psychoacoustics, Signal Processing
Relationships
8 · 5 relation families

Insights from this view

Structural observations about the concepts shown here — descriptions of this graph, not claims about the world.

  • This view connects 13 disciplines: Acoustics, Audio Engineering, Biology, Cognitive Science, Mathematics, Mechanics, Music, Music Theory, Musicology, Optics, Physics, Psychoacoustics, Signal Processing.
  • Pitch is a bridge concept — viewed here through Cognitive Science, Music, Physics.
  • The connections here span 5 relation families.
  • Wave explains 2 concepts in this view (Acoustics, Music, Musicology, Optics, Physics, Psychoacoustics).

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 discipline

ChemistryBiologyPhysicsMathematicsComputer ScienceGeologyMineralogyEconomics

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

By journey

From a Leaf to the ClimateWhy Music Moves UsHow Machines LearnReasoning about a Leaf and the Climate

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.

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.