FireChat may catch on as a way to corral revelers, but that's just the beginning of its practical applications. For political organizers, it could become a critically important way to keep protesters and activists connected when their traditional forms of communicating get cut off.
Desiccators are sealable enclosures containing desiccants used for preserving moisture-sensitive items such as cobalt chloride paper for another use. A common use for desiccators is to protect chemicals which are hygroscopic or which react with water from humidity.
What is disc desiccation? It's fluid loss in the cushion-like discs between vertebrae. Between every two vertebrae (the bones of your spinal column) there is a flat disc that protects your spine by acting as a cushion and shock absorber.