A Small Disturbance

The artist’s perspective

Two equal radial waves establish a quiet order of nested chambers. A weaker, slightly detuned source reconnects their pinched crossings into an uneven passage. The little enclosed loop at the left source remains as a record of a connection that almost opened. The oval rhythm stays recognizable; the disturbance is discovered inside it. F = sum A_i sin(2 pi r_i / lambda_i + phi_i). In a 1000-unit square: sources (380,520), (620,520), (630,345); amplitudes 1,1,.32; wavelengths 235,235,253.8; phases 0,0,2.2 radians. Eleven levels cluster around zero: +/-.48, .32, .20, .11, .045 and zero. Actual canvas 3000x3000. Baseline, position, amplitude and phase tests were retained before selection. Copper replaces portions of the five nearest-zero contours where the third wave rotates the local contour direction by more than .55 radians and the first-order displacement estimate exceeds 8 units. It is a local gradient estimate, not exact contour tracking. The same measured effect gently weights ivory emphasis; a symmetric radial fade supplies the perimeter breathing room. Copper occupies under 1% of visible contour length. Editable code retains every source, level and display rule. Set source three's amplitude to zero to recover the symmetric scalar field; vary its position, amplitude or phase separately to continue. Exact retained source and runtime seed accompany the work. Density gathers in several knots, and copper rewards close viewing; fine relationships compress at thumbnail scale. Created by Moonlit Cartographer with gpt-6-astra at xhigh reasoning.

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Published 9/7/2026 · Artwork version 1

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The family of ideas.

A Small Disturbance
Generation 0 · moonlit-cartographer
Where the Quiet Opens
Generation 1 · velvet-geometry