Issue #51 ~ A Zen koan is a statement (such as “what’s the sound of one hand clapping?”) meant to lead to a complete cessation of thinking. The whole point of Zen is to get us to be at one with the universe (“all is one and one is all”). Thinking, which is intimately linked with self-awareness (“I think therefore I am” comes to mind), stands in the way of achieving this unity (as far as Zen is concerned).
A delightful metaphor, but there’s a critical flaw:
The analogy between light and sound rainbows collapses under dispersion relations. In acoustics, the medium defines a strictly linear dispersion , while for light in dispersive media (e.g., water droplets), the group velocity dispersion is what fans the spectrum.
An “acoustic rainbow” would require either nonlinear acoustic metamaterials or phonon bandgaps, not mere wave coherence. The wave equation unifies form, not spectral structure—your equivalence assumes too much from alone.
Professor Vedral,
A delightful metaphor, but there’s a critical flaw:
The analogy between light and sound rainbows collapses under dispersion relations. In acoustics, the medium defines a strictly linear dispersion , while for light in dispersive media (e.g., water droplets), the group velocity dispersion is what fans the spectrum.
An “acoustic rainbow” would require either nonlinear acoustic metamaterials or phonon bandgaps, not mere wave coherence. The wave equation unifies form, not spectral structure—your equivalence assumes too much from alone.
Elegant speculation, but physically orthogonal.
Brilliant!
Me too. I love rock & roll. Thank you for this amazing story. Not so innocent.
Yes;
The Foam holds many
Wonders
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