Vidovdanka [SEP] material used
Vidovdanka
Vidovdanka is a Late Mesolithic anthropomorphic figurine (cult image) made of terracotta regarded as symbol of the Vinča culture, which flourished in prehistoric Serbia in 5500 BC. It was excavated at deep at Vinča, Serbia on the day of Vidovdan (hence the name) in 1930. It stands tall.
to cathodically protect metals that are exposed to sea water. A zinc disc attached to a ship's iron rudder will slowly corrode while the rudder stays intact. Similarly, a zinc plug attached to a propeller or the metal protective guard for the keel of the ship provides temporary protection.
With a standard electrode potential (SEP) of −0.76 volts, zinc is used as an anode material for batteries. (More reactive lithium (SEP −3.04 V) is used for anodes in lithium batteries ). Powdered zinc is used in