- The RCA connector is a type of electrical connector commonly used to carry audio and video signals. The name RCA derives from the company Radio Corporation of America, which introduced the design in the 1930s. The connector’s male plug and female jack are called RCA plug and RCA jack.
- Age of Enlightenment (Wikipedia)
The Age of Enlightenment or the Enlightenment, also known as the Age of Reason, was an intellectual and philosophical movement that occurred in Europe in the 17th and 18th centuries, with global influences and effects. The Enlightenment included a range of ideas centered on the value of human happiness, the pursuit of knowledge obtained by means of reason and the evidence of the senses, and ideals such as natural law, liberty, progress, toleration, fraternity, constitutional government, and separation of church and state.