The term Emergy was originally coined by David M. Scienceman in collaboration with the late Howard T. Odum. H.T.Odum used 'emergy' to mean both sequestered energy and emergent property of energy use . However Scienceman also used the term 'emergy' to refer to the concept of energy memory, a concept which motivated Scienceman and B.M. El-Youssef to propose the addition of a new dimension to physics, [P] for "past". Some researchers maintain that it can be expressed as a scientific unit which is… (More on Emergy)