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How does fluid 'climb' up a rod ?

Physics Girl checks out a remarkable effect achievable with non-newtonian fluids.


Recent comments on this video
Comment icon #1 Posted by RoofGardener on 16 October, 2018, 11:58
Umm... capillary action ?
Comment icon #2 Posted by Ozymandias on 17 October, 2018, 8:13
Nothing to do with capillary action. Thatrequires a narrow tube-like hollow up which aliguid flows. Capillary action is what allows plants to draw water upwards from the earth. This is a solid rod around the outside of which a non-newtonian fluid spirals upwards. Its caused by the centripetal effect onthe fluid of the rotating rod.
Comment icon #3 Posted by sci-nerd on 18 October, 2018, 21:55
Homemade slime is quite a health risk. Not kidding! Don't let your kids do it.
Comment icon #4 Posted by ChrLzs on 19 October, 2018, 1:08
Many substances will do that - including some pretty basic cake mixtures that will annoyingly climb up the beaters... Without watching the video, so I apologise if I'm repeating something... isn't this just basic ionic and covalent adhesion?
Comment icon #5 Posted by devilmaycare on 26 October, 2018, 2:14
Actually the Japanese(?), I believe, have designed hi-rise buildings that use no traditional plumbing, ie, electricity/pumps to get the water source from ground level to the top floors by designing plant-like vein 'conduits' into the structure itself. If I'm correct it's like an absorbent lattice work that slowly but inexorably pulls the water up. Gotta love the Japanese.

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