Engines of Creation

Engines of Creation presents K. Eric Drexler's vision of nanotechnology—the engineering of matter at the molecular and atomic scale. The book argues that precise molecular manipulation will enable the construction of self-replicating nanomachines capable of building virtually anything atom-by-atom, fundamentally transforming manufacturing, medicine, and human capability.

Drexler structures the work around the concept of "assemblers"—hypothetical devices that could manipulate individual atoms and molecules to construct complex structures with perfect precision. He explores both the revolutionary potential (curing disease, eliminating scarcity, extending human lifespan) and existential risks (uncontrolled replication, weaponization) of such technology.

Published in 1986, the book became the defining text for nanotechnology discourse and established many of the field's core concepts and terminology. It influenced both scientific research agendas and popular imagination about future technology, though some of Drexler's more speculative claims have been debated by chemists and materials scientists.