There are many science and technology that are introduced to the show. Main article: Algae Algae is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. An EMP, or an electromagnetic pulse, is a burst of electromagnetic energy capable of frying electrical technology depending on the strength of the pulse. One source of an EMP is a nuclear blast of which an EMP is a secondary effect. In Season Three, Raven Reyes worked on building an EMP device to remove the…