Carbon nanotubes are cylindrical structures made of carbon atoms arranged in a hexagonal lattice. They are known for their exceptional strength, electrical conductivity, and thermal properties, making them valuable in various applications, including electronics and materials engineering. These nanostructures can be single-walled or multi-walled, with each type exhibiting unique characteristics. Researchers are exploring their potential in fields such as medicine, energy storage, and composite materials, highlighting their versatility and importance in advancing technology.