Nano-motors are tiny devices that can move at the nanoscale, which is one-billionth of a meter. They are often made from materials like carbon nanotubes or metal nanoparticles and can convert energy from various sources, such as light or chemical reactions, into motion. These motors can be used in a variety of applications, including drug delivery and environmental sensing. Researchers are exploring the potential of nano-motors in fields like medicine and nanotechnology. By controlling their movement, scientists hope to create targeted therapies that can deliver drugs directly to specific cells, minimizing side effects. The development of nano-motors represents a significant advancement in the ability to manipulate materials at the molecular level.