Categoría Oddities

What are digital drugs?

They are songs or sound effects in MP3 format that are broadcast on the internet and are supposedly capable of causing altered states in the mind of those who listen to them. They’re called digital drugs because the high they…

How are books organized in a library?

QUESTION Bianca Rego, Mogi das Cruzes, SP In Brazil, most of them are organized according to the Dewey Decimal System. Created by the American librarian Melvil Dewey in 1876, it uses three main digits to classify the theme of each…

What is the Rorschach Test?

It is a questionnaire, widely used in psychological assessment processes, which uses cards with ink stains to identify personality traits of a person. The patient observes the material and answers questions about what he sees. “The test provides indices that…

What is the origin of bingo?

»> Bingo has an Italian origin. Or rather, in Italian politics. At the end of the Middle Ages, in the city of Genoa, in northwest Italy, there was the custom of periodically replacing members of local political councils through drawing…

How does the remote work?

»> It sends coded messages through infrared light – invisible to the human eye – to the controlled device. When we press the control button, we make this light blink, emitting long and short pulses that make up a binary…