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While the technology is impressive, the story concludes with a sobering scientific perspective:

Most of the plastic is broken down into tiny fragments smaller than a grain of rice, making traditional "scooping" impossible without harming marine life. [S9E17] Upgrade

Using the ocean's natural currents, the system concentrates plastic in a central "retention zone" where it can be periodically collected by ships and hauled back to land for recycling. While the technology is impressive, the story concludes