What is Art ? Art comes from the Latin «ars» which is related to skill and craft. Its first use comes from 13th century manuscripts. It is said that the word art and its many variants such as artem, eart, etc., probably existed since the beginning of the Roman era. Art is often considered the … Leer más
What is a Bacteria ? Bacteria are microscopic living organisms, usually unicellular, that can be found everywhere. They can be harmful when they produce infection, or beneficial, as in the processes of fermentation and decomposition. Anton Van Leeuwenhoek first observed bacteria through a microscope in 1676. He called it «animalcules». In 1838, the German Christian Gottfried … Leer más
Definition of Neutral in Electricity The neutral in the electrical system shows a reference point in the electrical distribution system. The conductors that are connected to the neutral are generally those that do not carry current, sized to handle momentary faults, called short circuits, that occur in electrical equipment. With the advent of non-linear loads, such … Leer más
The Meaning of Electricity All words that begin with «electr …» such as electrons, electricity, electronics originate from the Greek word «elektor», which means «radiant sun». In Greek, «elektron» refers to amber, which is a very beautiful golden-brown «stone» that shines with orange and yellow light. It is a property of certain fundamental particles of which … Leer más
What is Administration ? Administration refers to the process of running an organization, office or business. This includes the creation of rules and regulations, decision making, management of operations, the creation of the organization of personnel / employees / persons to direct activities towards the achievement of a common goal or objective. Some of the basic … Leer más