The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroyed.

Little did I know, when I joined Angharad Lee on this second phase of R & D for Chris Chibnall’s Kiss Me Like You Mean It, that within days I would be quoting the first law of thermodynamics. My dad, a scientist, has tried to teach this important rule to all of his…