Reaching "break-even" is when the lasers don't have to be fired for the reaction to continue No, that's a "self-sustaining" reaction. Break-even means that the

Reaching "break-even" is when the lasers don't have to be fired for the reaction to continue No, that's a "self-sustaining" reaction. Break-even means that the amount of energy released in the reaction is equal to the energy necessary to fuel the reaction.