Eveready (PTY) LTD
Eveready (PTY) LTD
  • Eveready Group
    Kestrel Wind TurbinesEcocellHouse of YorkEveready Lighting South Africa

Make your own “voltaic pile”

Make a "voltaic pile” using several small copper and zinc coins. (Or, instead of the zinc coins, you can use pieces of zinc.)

Pile them up alternately, separated by discs of cardboard soaked in salt water. Next, get two pieces of insulated copper wire. Tape the end of one wire firmly to the bottom coin and the end of another wire to the top coin of the  pile. Then put the free ends of the wires on your tongue.

You will feel a slight tingling sensation, showing that a small amount of electricity is being generated by the pile.

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