The Creative Science Centre - by Dr Jonathan P. Hare
Generate Electricity From Vinegar At Home - Cool Science Experiment - YouTube
Slideshow P3: Batteries. A simple battery (electrolytic cell). A simple cell has liquid which conducts electricity (an electrolyte) and two conductors. - ppt download
5 Homemade Batteries! (vinegar,lemon,lime,salt,water) DIY run lights/clocks/buzzers! w/volt& test - YouTube