The program ROQED Science: Update. Added new scenes.
Category “Physics” :
- Faraday Cage.
A Faraday cage or Faraday shield is an enclosure used to block electromagnetic fields. A Faraday shield may be formed by a continuous covering of conductive material, or in the case of a Faraday cage, by a mesh of such materials.
Category “Chemistry”:
- Born-Haber cycle.
If you heat the metal sodium and lower it into a vessel with chlorine gas, the reaction of the compound will occur. This reaction is exothermic, that is, it occurs with the release of heat and light. The salt sodium chloride is formed. - Catalysts.
A catalyst is a substance that increases the rate of a chemical reaction. - Buffer solutions.
Acid rain is dangerous for water bodies, buildings, and living organisms. They can cause metal corrosion and plant death. Some reservoirs are less affected by acid rain, due to the limestone that is contained in them.
Category “Anatomy”:
- The mechanism of muscle contraction. Sliding thread theory of filaments.
The theory of sliding threads explains the mechanism of muscle contraction, according to this theory, actin and myosin slide past each other, creating a contraction. Myosin filaments attract actin filaments to the center, due to which the motor activity of the muscles is carried out. - Мyofibril ultrastructure.
Myofibrils are found in muscle fibers and consist of intertwining actin and myosin filaments. These form a weave of dark and light stripes on the surface of the myofibrilla.
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