" |( {' R+ Z# G. P4 |公仔箱論壇 " A6 p' v; w) f. i& z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. P8 K& c. E0 l1 \8 P
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
