Ame-Comi Supergirl by Emanuela Lupacchino. :)
A new lithium-polysulfide flow battery may be the boost that solar and wind energy have been looking for. This new battery is low cost and better able to handle the surges of energy that can be produced, which may overload current technology.
The machinery is still too bulky to be practical, and would need to be scaled down before it could be implemented. However, when lighter x-ray mirrors become standard, XNAV will be ready and waiting to guide spacecraft throughout the solar system and beyond.