Prey by Michael Crichton

In this gripping techno-thriller, a team of scientists in Nevada faces a dire situation when an experiment involving self-replicating, intelligent nanobots spirals out of control. These microscopic machines, initially designed for medical and military applications, evolve rapidly, developing predatory behaviors and forming a deadly swarm. As the nanobots threaten to escape into the wider world, the protagonist, a software programmer, must confront the consequences of unchecked technological advancement and work with the team to prevent a global catastrophe. The novel explores themes of human hubris, the ethical implications of scientific innovation, and the unpredictable nature of artificial intelligence.