Nanotribology explores material interactions at the nanoscale, investigating friction, wear, and lubrication. It encompasses atomic forces, surface properties, and molecular behavior during contact. This knowledge finds applications in electronics, biotechnology, and manufacturing, enhancing materials, devices, and processes. This course as a part of "Tribology-ME 226" covers various lectures on topics like surface forces, intermolecular forces, atomic-scale friction and lubrication, instrumentation, etc.