NANOTECHNOLOGY: A DETAILED, COHESIVE OVERVIEW OF ORIGINS, DEVELOPMENT, PRINCIPLES, APPLICATIONS, AND FUTURE DIRECTIONS
Keywords:
Nanotechnology, Nanomaterials, Quantum effects, Carbon nanotubes, Graphene, Quantum dots, Nanomedicine, Nanoelectronics, Nanofabrication, Surface-to-volume ratio, Nanocomposites, Nanotoxicology, Sustainable nanotechnologyAbstract
Nanotechnology—the manipulation and engineering of matter at dimensions on the order of 1–100 nanometers—has matured from a visionary idea into a broad, multidisciplinary field that underpins advances in medicine, electronics, energy, materials science, and environmental engineering. At the nanoscale, materials exhibit novel quantum, mechanical, optical, and chemical behaviors that differ markedly from their bulk counterparts. This article presents a cohesive account of nanotechnology’s conceptual origins, key historical milestones, scientific principles, major contemporary applications, societal and safety challenges, and likely trajectories for future development.
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