When the heat from the foot is applied on the top side of the ceramic wafer and cold is applied on the opposite side, from the cold of the ground, electricity is generated.

当脚部的热量作用于上层陶瓷薄片，较冷的地面作用于下层的陶瓷片时，电就产生了。

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Maxwell's equations are "asymmetrical": electricity has an electron monopole and a proton monopole, each with opposite charge, but magnetism does not.

Maxwell方程组是“非对称的”：电场有一个负电极子和一个正电极子，带着不同的电荷； 但磁场却没有。

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Like charges repel, but opposite ones attract, which is one of the fundamental laws of electricity.

同性电荷相斥，异性电荷相吸，这是电的基本法则之一。

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Battersea power station, for instance, a moderately interesting electricity-generating station built between the 1930s and 1950s, has blighted 16 hectares of riverbank opposite Chelsea for three decades.

ECONOMIST: Housing