What is nanotechnology?

Nanotechnology is the term given to those areas of science and engineering where phenomena that take place at dimensions in the nanometre scale are utilised in the design, characterisation, production and application of materials, structures, devices and systems.

Explanation:

the branch of technology that deals with making structures that are less than 100 nanometres long. Scientists often build these structures using individual molecules of substances

Hope This Helps!!