radix -icis f. Latin. [a root; the foot of a mountain]; in gen. [foundation , basis, origin]

The installation 'Radicis' is a mirror of the subtle, hidden interactions of soil microorganisms essential to plants, and therefore our life.

Installation by Pandra Williams
Video shot by Paul Nichols, edited by Will Eccleston.

The installation Radicis absorbs solar energy, storing it in sealed batteries, and distributes it evenly over an 8 hour period. An enlarged "root" system, with a steady, unfluctuating light, pipes the energy into the installation's mass.

Short summary of the 4 light cadences in Radicis:

Cadence #1 is a 'steady state.' I assigned steady state to the root forms, as plants and trees are constantly interchanging the food materials they produce with other organisms.

Cadences 2 & 3 were tied to human body rhythms in part to control the impact of the Radicis environment on its viewers. If the cadences were too frenetic, the mood of the piece would be very different.

Cadence #2 is an 8 beat cycle, timed to a pranayama breath cycle. This yogic breath cycle tends to induce a calm, alpha state. The objects signifying single celled symbiotic organisms were assigned this cadence.

Cadence #3 is a 4 beat cycle, timed to a regular daily breathing pattern. This is an everyday, beta state, breathing cycle. The objects signifying either single celled predatory (plant eating) or parasitic organisms were assigned this cadence.

Cadence #4 is a small section of the Fibonacci number sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55... Fibonacci series are commonly found occurring in biological structures such as pine cones, sunflower heads, fern fronds, etc. This number sequence is also closely tied to the golden means, or golden ratio, an algorithm also commonly found in biological structures. This number series was assigned to objects signifying multicellular, complex organisms.

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