It is said that Professor Old Bach invented the Calculating Pearl initially because he was tired of the barbaric and cruel traditions.
His attempts were finally realized through simulation with the psychic differential machine, and after the emergence of the Calculating Pearl, wetware got phased out; at least openly at Charldo Harbor, further production of wetware has been banned.
But from the magical Steam Doll Technique passed down by Old Flywheel, it can be seen that half-body mechanics have been privately researching wetware all along!
Old Flywheel also clearly stated that the Steam Doll Technique was a secret technique researched by his teacher in his later years, which also implies a frightening possibility: even the inventor of the Calculating Pearl, Professor Old Bach, might have been privately researching and enhancing wetware.
