Step-by-step 3D models that show how something works, made by researchers.
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3D explainer
Before the cream separator, butter began with waiting. Milk stood until its fat floated to the top, the cream was skimmed off by hand, left to sour, and beaten in a churn until it turned inside out.
By Antanas MisiunasVersion 1 · Updated Nov 11, 20263D explainer
One thread runs a page's JavaScript, answers every click and draws every frame. The event loop is the rule that decides what it does next: one task, then every microtask, then a frame if one is due.
By Antanas MisiunasVersion 1 · Updated Nov 11, 20263D explainer
From cold raw milk to a block that is four-fifths fat: how a spinning stack of steel cones pulls cream out of milk in seconds, and how churning turns that cream inside out.
By Antanas MisiunasVersion 2 · Updated Nov 11, 2026