Poor baby you do not even know it take different amounts of energy per unit mass to raise different materials a given numbers of degrees!!!!!!!!!!
You know the name black body but you do not understand anything but the name not the concepts.
Good going making a fool of yourself in such a very open manner.
Footnote to others the reason that with the advent of cheap solid state devices that power supplies had gone away from simple 60 hz transformers to switching power supplies is that 60 hz transformers are heavy and have a must greater power lost for any given power output.
Ok parados I am looking forward to you making more of a fool of yourself.