two electrons are placed far away from each other and there is an electric barrier between each other. But they are trying to touch lightly each other over this barrier
two electrons are placed far away from each other and there is an electric barrier between each other. But they are trying to touch lightly each other over this barrier
two electrons are placed far away from each other and there is an electric barrier between each other. But they are trying to touch lightly each other over this barrier
an image of an open door with a light beam coming out of it
two people standing in front of an open door
a 3d rendering of an atom with a green light
two glowing spheres in a dark background