1. What is Nanotechnology?

Nanotechnology is a field of research and innovation concerned with building 'things' - generally, materials and devices - on the scale of atoms and molecules. A nanometer is one-billionth of a meter, and nanotechnology is typically concerned with structures of the size 100 nanometers or smaller, and involves developing materials or devices within that size.

1. Understanding Nanoscale: To understand nanotechnology, the first step is to get an idea of the scale of nanotechnology. A nanometer is one billionth of a meter. For reference, a sheet of paper is about 100,000 nanometers thick.

2. Nanotechnology in Nature: Nanotechnology is not an entirely new field; it has been used for centuries in natural processes. For example, natural processes such as the enzymatic reactions in our bodies all occur at the nanoscale.

3. Modern Nanotechnology: Modern nanotechnology is often associated with the use of novel materials with unique properties that result because of their nanoscale dimensions. This includes both physical and chemical properties.

4. Applications of Nanotechnology: Nanotechnology is being applied to almost every field imaginable, including electronics, magnetics and information technology, energy, materials development, and biomedicine.

5. Future of Nanotechnology: The future of nanotechnology is incredibly exciting. Currently, researchers are working on things like nanotechnology-based sensors that can detect disease in the human body, nanoscale materials for improving solar energy, and much more.