Nanoparticles are small particles having a size between 1 to 100 nm. Nanoparticles cannot be seen with the naked eye; however, due to their significant physical and chemical properties, they constitute larger material counterparts. When the size becomes like the atomic scale, there is a change in material properties. This is because of a change in surface area to volume ratio, which results in the surface of the material dominating the material performance. Nanoparticles have a large surface area to volume ratio in comparison to large materials. Because of this feature, nanoparticles have optical, physical, chemical properties, which can be confined in electrons while producing quantum effects. The three major physical properties of nanoparticles include their high mobility in a free state, increased specific surface area, and exhibition of quantum effect. The technology based on nanoparticles is used for improved efficiency, sustainability, and speeding up the processes. It is possible as less material is used for industrial processes. Nanoparticles are also widely used for food packaging as it provides safety from antimicrobial contamination. Their increased demand and use in batteries and supercapacitors are due to their property for storing electrical charges as small ions or electrons. In medicine, because of their small size, nanoparticles not only circulate throughout the body but also have the capability to enter the shelf or bind to specific sites. Because of these properties, improved images of organs and tumors along with the tissues of the body are now being observed. Nanoparticles are also used for delivering therapies where they protect from hypothermia by blocking vasculature to diseased tissues and tumors. In the cosmetics industry, titanium oxide is widely used as sunscreen. In the sports industry, baseball bats are manufactured with carbon nanotubes.