Nanotechnology based tools are essential for several reasons: - Precision: They allow for the precise manipulation and characterization of materials at the atomic and molecular levels. - Innovation: These tools enable the development of new materials and devices with unique properties that are not possible with conventional techniques. - Interdisciplinary Research: They facilitate research across various fields such as biology, chemistry, physics, and engineering. - Commercial Applications: From drug delivery systems to nanoscale transistors, the applications are vast and impactful.