Arikens

Arikens is a fictional species that appears in the science fiction novel "Project Hail Mary" by Andy Weir. They are an extraterrestrial, sapient race encountered by the protagonist, Ryland Grace, during his mission to save Earth. Arikens are characterized by their silicon-based biology, which allows them to thrive in environments that would be lethal to carbon-based lifeforms. Their physiology is robust and adapted to high pressures and temperatures.

Communication with Arikens is initially a significant challenge due to their vastly different biology and sensory organs. They perceive the world through methods unfamiliar to humans, and their vocalizations are outside the human auditory range. Despite these differences, Ryland Grace eventually establishes a form of communication through scientific principles and shared problem-solving. The Arikens are depicted as a technologically advanced civilization facing a similar existential threat to humanity, which forms the basis of their collaboration. Their society and motivations are explored through their interactions with Grace, revealing a pragmatic and logical approach to survival. The Arikens play a crucial role in the narrative, providing vital assistance and knowledge to Grace in his desperate quest.