Clackers or Loaders for lack of a better name. Here are three versions of this illusion, reminiscent of the Clackers toy. In the first example, the two ‘barbells’ are rotating opposite directions, which can create the optical illusion of the
Clackers or Loaders for lack of a better name. Here are three versions of this illusion, reminiscent of the Clackers toy. In the first example, the two ‘barbells’ are rotating opposite directions, which can create the optical illusion of the