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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

: a$ L, z: e5 L9 j, f7 d  C4 v
! ~; H& u/ x( S# |; N
这个水表可不是测量用水量的仪表,而是用水“驱动”的钟表。
& w$ o/ z" U! ~* G" m3 ftvb now,tvbnow,bttvb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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