("The friend" doing test before handing over the thing to me) My "lemon battery" uses water with zinc and copper.
(Before setting the time) The clock I use in this hobby project looks like powered by water, but in fact, by zinc.
忘了時間的鐘 - 古巨基 (+賴聖恩)
by Jcxzero
This is the prototype of my lemon battery hobby project. I plan to do an improved version for the bathroom later on.
Reference:
Lemon battery
Related posts:
"Diary 03/29/2011"
"Diary 04/01/2011"
