宝宝成长日记
Thursday, March 30, 2006
静电
早上给丫丫用塑料梳子梳头,房间很干,丫丫头发上起了静电。于是问我:爸爸,这是怎么回事啊?我说:这呀,是静电,是不动的电荷。你看我们用的电灯,电线里面是动的电荷。于是丫丫左右不停晃动小脑瓜,企图发电! :-) -M
posted by Michael Zhou @
1:19 AM
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