(Rawpixel.com/Freepik) Air always moves from where the pressure is highest to where it is lowest. This explains why the sea breeze arises from the difference in temperature between the sea and the continent. To warm up, water needs more solar…
Gulag Forced labor camps in the former Soviet Union (USSR), created after the Communist Revolution of 1917 to house criminals and “enemies” of the state. Gulag was an acronym, in Russian, for “Central Administration of Camps”, which were spread throughout…
They are the gigantic blocks that make up the solid outer layer of our planet, supporting the continents and oceans. Driven by the movement of the incandescent magma inside the Earth, the ten main plates push each other, move away…
The great innovation of this type of device lies in the way in which the pixels are activated, the small luminous points that form the image on the screen. In traditional television, this is done by a beam of electrons,…
Because the holes, or alveoli, help propel it. When the ball starts at high speed, it pushes the air in front of it, forming several currents that stop its movement. Each alveolus creates turbulence that keeps the main current closer…
Because of a genetic mutation in the chromosomes that make up pair 16 in redheads. This mutation alters the production of two pigments – pheomelanin, which is reddish or yellowish in color, and eumelanin, which is brownish or black in…
– () 1. Even if the ground where the ball will roll is relatively flat, it all starts with good leveling. A press goes over the area to smooth out any unevenness and compact the ground — which prevents it…
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»> It is a process divided into four phases: milling, purification, fermentation and distillation. In the milling, the sugarcane is squeezed to obtain the juice, which then goes to purification, where it is sieved, receives a little lime, is heated…
The first university hazing in the country, in 1831, ended in death at the Faculty of Law of Olinda. Since then, most institutions formally repudiate vexatious and violent practices. But the ritual continues and, eventually, cases like this still happen.…