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The Octaves of Light: Jorn Barger

Imagine this 150k webpage
as the user's manual
for a piano that plays lights instead of sounds
twelvefold-extended to 1090 keys (from the piano's 88)
spanning not seven but 109 octaves
each with not 12 but 10 notes, equally-spaced;
each octave (as on the piano)
halving the frequencies of the octave above
(and consequently doubling the corresponding wavelengths)
but mirror-reversed
so the high notes are on the left, low on the right
keys numbered from 0.0 (highest) to 108.9 (lowest)
with the first, leftmost, highest octave
generating ten hues from the spectrum of visible light:
violet blue green yellow orange red.

The Octaves of Light
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