this is a simple science experiment to show hydroxycorbonate
two, 9 inch copper wires
9 volt battery
fill the glass with 3/4 of tap water.
add a tsp of baking soda in the water and stir until it dissolves,
strip both ends of both wires
attach one end of each wire to 9 volt battery with electrical tape
put other ends of wires in glass,
DO NOT LET ENDS TOUCH, HOT!!!
should look like this:
and here is the finished product: