The functioning of the glues is based on the evaporation of the water that they carry in their composition. When turning to steam, the liquid that was aqueous ends up forming a solid adhesive layer. “Liquid school glue, for example,…
Basically, every human being is an individual and companies are legal entities. In the Civil Code, there are many differences between the two terms, both regarding the definition and regarding rights and duties. According to lawyer Carolina Defilippi, everyone is…
It is a social network that bridges the gap between tourists who want free accommodation during a trip and people who would like to receive these visitors. Created in 2003, the website couchsurfing.org already has 4 million users. It’s a…
The best tip is to observe the behavior of wild animals. “What they consume can be used by man”, says Colonel Marcos Carias de Oliveira, a former instructor at the Brazilian Army’s Jungle Warfare Instruction Center (Cigs). Doubts about an…
»> Simple: making it difficult for the ink on the pieces to be dissolved by water. Contrary to what is heard out there, salt is not responsible for fixing the dye on the clothes, since it does not act directly…
(ThomasVogel/Getty Images) It was -11.1 °C and 44.7 °C. This according to Inmet, as the measurements vary according to the institute. The lowest was recorded in Xanxerê, Santa Catarina, on July 20, 1953. The “friaca” was the result of a…
He was the first serial killer of modern times, but his identity was never discovered. This pseudonym was attributed to the murderer who killed at least five prostitutes in London, England, between August and November 1888. “The name Jack the…
It depends the mass of the planet and the distance between its core and the surface. Weight is a force of attraction between two bodies, in which the greater mass wins (attracts more). One of the consequences of the attraction…
»> The hole in the pen barrel is there to prevent ink leakage. If there wasn’t such a little hole, as the ink was consumed, a vacuum would form in the place where there was ink before and it would…
»> The oldest that we have news of was found in an Egyptian tomb from 3000 BC: a small branch with the tip frayed until only the fibers remain. The bristle brush appeared in China around 1498. The handle was…