Have you ever noticed the way that a straw changes shape when you put it in a glass of liquid? Have you ever wondered why this happens? A new study published in the journal Nature Communications has uncovered the mysterious laws that govern how fluids interact with straws. According to the study, this phenomenon is caused by a combination of surface tension and buoyancy. The researchers were able to observe how the shape of the straw changes as the fluid level changes, and how this affects its ability to remain afloat. The findings could have implications for the design of underwater robotic systems, as the understanding of fluid dynamics is essential for creating efficient machines.

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source: Phys.org