Louis XVIII was the King of France from 1814 to 1824, except for a brief period in 1815. He came to the throne when France was going through a transitional period. The country had just witnessed the beheading of King Louis XVI by the revolutionary govern   […]

List of scientific experiments, one of the best ways to explain concepts of biology, chemistry or physics to children, in a dynamic, practical and interesting way. In addition, they can show the usefulness of the subjects that the children study.   […]

Recreation is understood as the set of activities that are carried out in order to entertain and amuse any person who makes it. It is also defined as the moment in which the use of free time is used to achieve physical and mental benefits.   […]

The strontium oxide, whose chemical formula is SrO (not to be confused with strontium peroxide, which is SrO2), is the product of the oxidative reaction between this metal and the oxygen present in the air at room temperature: 2Sr (s) + O2 (g) → 2SrO (s)   […]