TL;DR of the post, generated automatically.

The author made these renders as an experiment with the new dispersion parameters in Blender 5.3 beta, and they became a finished piece.

• Spheres: A subdivided cube with a displacement node driven by distorted sine waves.
• Glass shell: A Principled BSDF with transmission and dispersion turned all the way up.
• Renders: Two 2048×2048 images, one DAY (3.77 MB) and one NIGHT (3.68 MB).

Fitting for a test that got out of hand.