( K/ n1 Q) ~" K9 wwww3.tvboxnow.com$ e7 e4 J( k7 Y. L& w3 H5 b
这个水表可不是测量用水量的仪表，而是用水“驱动”的钟表。 0 c# p6 d; p8 P' c* b; M Bwww3.tvboxnow.com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
