Demons are like obedient dogs

The Great Machine 1925

Geometry at work: Orbital Resonance, Sound and Water

Richard Proctor, Old and New Astronomy, 1892

What men recognized then in the movements of the heavenly bodies is true now and true for all time. And even in dealing with the limited knowledge and the imperfect methods of ancient astronomers, we need not hesitate to consider these movements as they are now recognized and understood.

Ernst Chladni, Die Akustic, 1802

Nodal lines of vibrating circular or polygonal  plates, according to Chladni and Savart.The breakthrough work acquired a status of foundational work of a new scientific field and earned him a title of “father of acoustics”. It was the first systematic description of the vibrations of elastic bodies.

Snowflake Man