PREVIEW
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A blue liquid flowed smoothly into the beaker, following the tilted test tube.
It took its place alongside the pre-existing yellow liquid, separated by a single membrane.
Inserted between them was a type of ultrafiltration membrane called a nanosized filter.
Jeong-woo quietly observed as the liquid that passed through the membrane gradually mixed due to differences in concentration.
Great. Shall we give it a try?
With a gentle touch, the nano-size ...
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