Artificial organ to become stronger and lighter, limiting the amount of extra energy necessary to operate the limb. Additional materials have allowed artificial limbs to look much more realistic. Prostheses can roughly be categorized as upper- and lower-extremity and can take many shapes and sizes. New advances in artificial limbs include additional levels of integration with the human body. Electrodes can be placed into nervous tissue, and the body can be trained to control the prosthesis. This technology has been used in both animals and humans. The prosthetic can be controlled by the brain using a direct implant or implant into various
Human thermal environments Human thermal environments Human Thermal Environments is a branch of the discipline Ergonomics, concerned with the thermal comfort (i.e. whether a person feels too cold, hot, 'sticky' etc.) of human beings in any, but especially in their working environment. Convective, conductive, radiative and insulating properties of the human body and the environment in which it finds itself are all variables whose effects are closely considered in this science. The aim of the discipline is to manipulate these variables in the environment and/or the clothing of the individual to achieve 'thermal comfort', the state in which the individual is content with