By allowing the positive ions to pass through an electric field and thus giving them a certain velocity it is possible to distinguish them from the neutral stationary atoms.
No great idea in its beginning can ever be within the law. How can it be within the law? The law is stationary. The law is fixed. The law is a chariot wheel which binds us all regardless of conditions or place or time.
Either the car is stationary or it's on the move.
At the end of the day the most overwhelming key to a child's success is the positive involvement of parents.