Specifications: The static electric is caused from abrasion and collection in the material. The static electric is called charges that divide in two kinds, positive and negative. The same charges will push each other but the different charges will pull together. This set is set on 15x20x60 cm square box. The four walls is made from transparent mirror and the top is coved by acrylic. The box inner has a scale for measure the extension of the charge plate. The base size is 10x73x35 cm made from MDF plywood coated by Formica and plastic's size 3x20 cm, 6 pieces and 6 friezes.เนเธ
