My Two Puppies Keep Fighting

L'elettricità esperimento

now verified with an experiment if it is true that two equal bodies rubbed repel and attract two different , you'll need:

- Two plastic rod

- A glass rod

- A woolen cloth

- A cotton yarn

the Rub glass rod and the plastic on the cloth of wool and a cotton thread binds the plastic rod and another on the glass. Then rub the other plastic wand and move them to the plastic one will notice that the rods repel each other, then move them to the glass, you'll notice that it will attract.