Applying a voltage between the electrodes causes a simultaneous shift in the particles in all the capsules in a block, thus changing its colour.
在电极之间用一个电压同时会使块上胶囊的粒子上产生一个位移，这样就改变了它的颜色。
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Scientists at Sandia have taken this same approach and started to adapt it to create a synthetic, biomimetic material that will share the animals' ability to colour-shift.
The exterior is plastered in the similar dark grey of the make-shift tents, while the interiors are painted pink, a testament to the girl's favourite colour pink.