This leads to the second law of thermodynamics and the definition of another state variable called entropy. The second law stipulates that the total entropy of a system plus its environment can not decrease; it can remain constant for a reversible process but must always increase for an irreversible process.
Nanotechnology is used in many commercial products and processes, for example, nanomaterials are used to manufacture lightweight, strong materials for applications such as boat hulls, sporting equipment, and automotive parts.anomaterials are all nanoscale materials or materials that contain nanoscale structures internally or on their surfaces. These can include engineered nano-objects, such as nanoparticles, nanotubes, and nanoplates, and naturally occuring nanoparticles, such as volcanic ash, sea spray, and smoke.
Additionally, titanium is used in jewelry for its high durability and ability to be anodized to produce a wide variety of colors. The metal is also biocompatible, and is frequently used in medical implants and surgical tools, either alone or as part of metal-ceramic composites.itanium dioxide is used to produce a white pigment. Titanium is the basis for numerous commercially essential compound groups, such as titanates for electronic and di-electric formulations and in crystal growth for ruby and sapphire lasers.