Instrument design is a multidisciplinary field that involves the creation and development of instruments, devices, and equipment for scientific research, experimentation, measurement, analysis, and data collection. This field combines principles of design, engineering, physics, and material science to create tools that are precise, reliable, and efficient for a specific research application. Instrument design can range from small, handheld devices to large, complex systems used in laboratory research, industrial processes, medical diagnostics, environmental monitoring, and more. Researchers in this field must have a strong understanding of the scientific principles underlying their research area, as well as the technical skills necessary to design and build effective instruments.