In the 8th century, a priest in Lanciano, Italy was experiencing doubts about the real presence of Jesus in the Eucharist. In the middle of saying Mass, he said the words of consecration (âThis is my body,â âThis is my blood) and saw the bread and wine transform into real human flesh and blood.
Energy is usually defined as the ability to do work. This is an anthropocentric and utilitarian perspective of energy; however, it is a useful definition for engineering where the aim of machines is to convert energy to work.
To a scientist or engineer, the term energy is the potential of a system to perform work or to produce heat. Specific energy is the amount of energy per unit mass. Concentration by mass is the measurement of a quantity per unit mass. Specific energy may be thought of as the concentration of energy per unit mass.A joule is the metric, or more accurately, the International System of Units (SI) measurement of energy.o a scientist or engineer, the term energy is the potential of a system to perform work or to produce heat. Specific energy is the amount of energy per unit mass. Concentration by mass is the measurement of a quantity per unit mass. Specific energy may be thought of as the concentration of energy per unit mass.