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citius · 08-10-2007, 11:24 AM

It's a combination of the viscosity of the fluid containing the color (pigment) spheres, the charge applied across it, the drag force entailed by its motion, etc.

I would say that it's a tradeoff between not just persistence and refresh speed, but also energy storage and leakage currents in the fluid too to maintain the position; both play a role in making sure that the spheres are maintained.

08-10-2007, 11:24 AM	#16
citius Member Posts: 16 Karma: 54 Join Date: Jul 2007 Device: None	Depends on how you define it It's a combination of the viscosity of the fluid containing the color (pigment) spheres, the charge applied across it, the drag force entailed by its motion, etc. I would say that it's a tradeoff between not just persistence and refresh speed, but also energy storage and leakage currents in the fluid too to maintain the position; both play a role in making sure that the spheres are maintained.