We explain everything about fire, how it is produced and the components it has. Also, what are its characteristics and what is it used for. What is fire A set of incandescent particles of combustible matter is called fire, fire or candle . Due to a chemical reaction of violent oxidation (known as combustion), these particles give off heat energy (heat) and light…
We explain everything about elephants, how is their anatomy and diet. Also, what are its characteristics and reproduction. What are elephants? Elephants are placental mammals and the largest land animals . Their intelligence and behavior is in many cases similar to that of human beings : they are able to play, communicate through sounds and gestures, use tools, recognize themselves, be generous with other individuals of…
We explain what acids and bases are and how these substances can be measured. Also, what are its characteristics and various uses. What are acids and bases? Acids and bases are substances that exist in nature and are distinguished by their pH level , that is, by their degree of acidity or alkalinity. Both, however, tend to be corrosive,…
We explain what the Braille writing system is, its origin and how this system works. In addition, its characteristics and translation. What is Braille? It is known as Braille or Braille System to a reading and writing system designed for blind people , based on the sense of touch . It was created in the mid-nineteenth century by Louis Braille, a French pedagogue who was…
We explain what the speech apparatus is, its component organs and their functions. Also, what are its characteristics and types of voice. What is the speech apparatus? The speech apparatus or vocal apparatus is known as the set of organs of the human body (and of other higher animals ) that allow the emission of articulated sound . In addition, in the exclusive case…
We explain what alkali metals are, what their properties and abundance are. Also, its general characteristics and examples. What are alkali metals? Alkali metals (or simply alkaline) are called six specific chemical elements , characterized by having a single electron in their last energy level or outermost shell. Furthermore, in all metals of this type, that electron is located in an s orbital, which…
We explain and summarize the history of photography, which were the first invented devices and their main characteristics. History of photography The history of photography is the recount of inventions, scientific discoveries and technical improvements that allowed humans to capture for the first time an image on a photosensitive surface, using light and certain chemical elements that react with it. The history of photography spans…
We explain what a monopoly is and what its causes and consequences are. In addition, its characteristics and how to combat it. What is the Monopoly? In economics , a monopoly is called the lack of commercial competition in a specific sector , item or economic activity, which allows a single person or company to have almost full control of the product or service. This…
We explain what acetic acid is, what its formula is like and the properties it presents. In addition, its characteristics, uses and examples. What is acetic acid? Acetic acid, methylcarboxylic acid or also ethanoic acid is an organic compound that can be found as an acetate or ethanoate ion ([C 2 H 3 O 2 ] – ) . It is present in vinegar, a liquid that gives it its characteristic…
We explain what industrialism is and how it was the context in which it originated. Also, what are its characteristics, and what is developmentalism. What is Industrialism? Industrialism is the organization of mass production for its capitalist use. Historically it meant a gradual change but accelerated replaced economies based on agriculture and handicraft production in an economy…