A robot programmed for destruction develops sentience and starts to evolve in this hard science fiction novel from the author of Noumenon . When Unit Four—a biological soft robot built and stored high above the Jovian atmosphere—is activated for the first time, it's in crisis mode. Aliens are attacking the Helium-three mine it was created to oversee, and now its sole purpose is to defend Earth's largest energy resource from the invaders in ship-to-ship combat. But something's wrong. Unit Four do…Show more