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標題: 水表 [打印本頁]

作者: carolfeeling    時間: 2008-10-8 02:34 PM     標題: 水表


3 S* z  q* p, s0 T- r公仔箱論壇/ v& m3 ]( R7 Y6 F% V4 D6 F
这个水表可不是测量用水量的仪表,而是用水“驱动”的钟表。公仔箱論壇2 Y" i# [9 ~) ?; E/ U
你只要按照说明向里面加入一些盐水即可驱动手表运转,而避免了使用电池带来的污染。
作者: limsp5    時間: 2008-10-8 11:26 PM

I remember a Korean who had invented a electricity generator using urine. I am sure it will work with brine.
作者: chea76    時間: 2008-10-9 11:24 AM

can save buying battery or using elect.  but actually clock doesn't use much of battery... normally can already last for year or 2...
作者: shenngau    時間: 2008-10-9 11:56 AM

good idea...




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