Figure 2. The liquid robot moves across the water’s surface, captures a foreign substance, and returns to its original position. (IMAGE)

Seoul National University College of Engineering

Figure 2. The liquid robot moves across the water’s surface, captures a foreign substance, and returns to its original position.

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Figure 2. The liquid robot moves across the water’s surface, captures a foreign substance, and returns to its original position.

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© Science Advances, originally published in Science Advances

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