On this week's Nature Podcast: Weirdly flowing water finally has an explanation: 'quantum friction'
First up on the show, reporter Nick Petrić Howe has been finding out about the mysteries of water flow at the quantum scale.There’s a mystery in the world of nanofluidics – the science of flow at the molecular scale.So, it all started with reports of very fast flows of water through tiny, tiny carbon nanotubes. And so, the puzzling findings with these narrow tubes was the narrower the tube, the smaller the friction.
For Radha Boya, a nanofluidics researcher who wasn’t associated with this study, one of the novel things about this new paper is that it takes into account the influence of the actual tube on the water.So, usually when people do simulations for nanofluidic channels, they usually worry about the fluids and the surface. But the confining material itself, the solid material, is not given so much importance. It is mostly thought of as a geometric barrier rather than contributing to the flows.
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