Static electricity is the buildup of a electrical charge on the surface of the object it can form the energy by getting heated up by sun or etc… It builds up to a cretin point when you touch the object it discharges when the spark of electricity is finished, the pictures below show examples of the static electricity.
1.
Static electric spark jumps from finger to doorknob
2.
Contact with the slide has left the hair positively charged so that the individual hairs repel one another. The hair may also be attracted to the negatively charged slide surface.
3.
This diagram shows the flow of static electricity with metel.
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