Does anyone know the theme of the poem "do not go gentle into that goodnight"

"Do Not Go Gentle Into That Good Night," emphasizes raging against death towards his dying father as he repeats this pressurization in the last line in every stanza

i cannot see a paragraph to answer the question

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).