Thinking·OS

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Explore the knowledge graph

Acoustic impedance applies to Sound wave. Activate to inspect this relation.Amplitude is part of Wave. Activate to inspect this relation.Decibel measures Sound intensity. Activate to inspect this relation.Diffraction depends on Wave. Activate to inspect this relation.Doppler effect depends on Wave. Activate to inspect this relation.Electromagnetic radiation is a Wave. Activate to inspect this relation.Gravitational wave is a Wave. Activate to inspect this relation.Infrasound is commonly confused with Ultrasound. Activate to inspect this relation.Infrasound is a Sound wave. Activate to inspect this relation.Interference depends on Wave. Activate to inspect this relation.Oscillation is part of Wave. Activate to inspect this relation.Polarization depends on Wave. Activate to inspect this relation.Sound absorption applies to Sound wave. Activate to inspect this relation.Sound intensity emerges from Amplitude. Activate to inspect this relation.Sound intensity is part of Sound wave. Activate to inspect this relation.Sound pressure is a Pressure. Activate to inspect this relation.Sound pressure level measures Sound pressure. Activate to inspect this relation.Sound pressure is part of Sound wave. Activate to inspect this relation.Sound wave is a Wave. Activate to inspect this relation.Speed of sound applies to Sound wave. Activate to inspect this relation.Speed of sound influences Wavelength. Activate to inspect this relation.Ultrasound is a Sound wave. Activate to inspect this relation.Wave enables Energy transfer. Activate to inspect this relation.Wavelength is part of Wave. Activate to inspect this relation.UltrasoundSound waveInfrasoundWaveSound intensitySound pressureAcoustic impedanceSound absorptionSpeed of soundElectromagnetic radiationEnergy transferOscillationAmplitudeWavelengthGravitational waveDiffractionInterferenceDoppler effectPolarizationDecibelPressureSound pressure level
Relationship types

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 concepts24 relationships15 disciplines5 relation families

At a glance

Sound at frequencies above the upper limit of human hearing, about 20 kHz.

Disciplines
Acoustics · Physics · Medicine
Role in the graph
Connector
Relationships
2 · 2 relation families

What am I looking at?

In this lens (31)

  • Timbre13
    illuminated by this discipline
  • Wave11
    illuminated by this discipline
  • Harmonic series7
    illuminated by this discipline
  • Decibel5
    illuminated by this discipline
  • Formant5
    illuminated by this discipline

Bridge concepts (41)

Just outside the lens — they connect it to other context.

  • Sound wave8
    Music, Physics · connects to Acoustic impedance, Infrasound, Sound absorption…
  • Frequency4
    Mathematics, Music, Physics · connects to Doppler effect, Equal-loudness contour, Fundamental frequency…
  • Interference3
    Optics, Physics · connects to Beat frequency, Standing wave, Wave
  • Loudness3
    Cognitive Science, Music, Physics · connects to Equal-loudness contour, Phon, Sone
  • Reflection3
    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 15 disciplines: Acoustics, Astronomy, Audio Engineering, Biology, Electromagnetism, Engineering, Environmental Engineering, Mechanics, Medicine, Music, Nutrition Science, Oceanography, Optics, Physics, Quantum Physics.
  • Ultrasound is a bridge concept — viewed here through Acoustics, Medicine, Physics.
  • The connections here span 5 relation families.
  • Energy transformation explains 4 concepts in this view (Acoustics, Astronomy, Audio Engineering, Biology, Electromagnetism, Engineering, Environmental Engineering, Nutrition Science, Optics, Physics, 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 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.