Ask HN: Realistic approach to making roon[0] more compact/portable?

Patterned place uses surface vibrations to move and spin objects without complex electronics[1]

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[0] : roon - mechanical computer : https://news.ycombinator.com/item?id=43859464

[1] : Patterned plate ... : https://techxplore.com/news/2026-09-patterned-plate-surface-vibrations-complex.html