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The Kaye Effect Posted by: psidot
Video duration: 430 seconds On dribbling shampoo from a small height above a pool of the same shampoo below, every now and then liquid lanyards of shampoo leap forth in a behaviour referred to as the Kaye effect. Such behaviour is characteristic of a viscoelastic fluid. |
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Oil-on-Water Calming Effect Posted by: psidot
Video duration: 107 seconds It has been known since ancient times that when a small amount of oil is poured into water it is able to significantly reduce or calm wind-induced waves at the surface. This stilling of the waves is referred to as the Oil-on-Water Calming Effect and is the origin behind the well-known phrase "to pour oil on troubled waters." |
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Three Viscoelastic Effects Posted by: psidot
Video duration: 66 seconds A dyed polyvinyl solution crossed linked with sodium tetraborate in solution is found to exhibit the following three different viscoelatic effects: 1. The Barus Effect (extrudate swell) 2. The Weissenberg Effect (rod-climbing) 3. The Kaye Effect (liquid leaping lanyards) |
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The Homopolar Roller Posted by: psidot
Video duration: 21 seconds When two neodymium disc magnets with like poles facing one another are attached to either end of a AA-battery, on dropping a copper connecting wire in the shape of the letter U onto the rims of each disc causes current to flow and results in magnetic forces acting on either wheel. The resultant magnetic torque arising from each force causes the arrangement to roll off with considerable speed. |
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The Homopolar Motor in Action! Posted by: psidot
Video duration: 16 seconds The elegantly simple three-part homopolar motor in action. |