In 2012 Caleb Charland made an experiment playing with oranges, copper wires and galvanized nails. His hope was that he could make this on going project work with a single piece of fruit. It seemed logical to use the orange’s natural wedges as the cells for the battery. The wedges are held up-right with an armature of small wooden skewers. The LED is nestled with in the bounds of the orange wedges. It requires 14 hours of exposure. The wedges are held up-right with an armature of small wooden skewers.
Hearing before about the Baghdad battery, i couldn’t help my self not to think about it and about ancient times. It’s seems to be very easy to make and functional. Can The pyramids builders use similar Technic ?Unexplained Things Are Out There