Top 10 information you did not know before - ١٠ معلومات لم تكن تعرفها من قبل

A video showing how the blood is filtered through the kidneys.
- If a person suffers from kidney failure, dialysis is done for him 3 times a week, by taking blood out of the body and delivering it to the dialysis machine.


This is how a geologist collects lava samples from an active volcano

-Video of a heart beating outside its old body before transferring to another human body.
- Modification: the heart is myogenic, meaning that it produces independent electrical signals by means of the SA node and does not require electrical nerve signals from neighboring nerves.
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The Meissner Effect
It is a phenomenon in which the superconductor denies all the magnetic fields within the superconducting material. It does this by creating small currents along the surface of the superconductor which cancel out all magnetic fields.




Nice work with the idea of balance, center of mass and torque ,,
The imbalance of static bodies is usually caused by the center of mass, which generates a torque that turns the body, moves it, or imbalances it. Thus, if you come to the idea of making the total momentum affecting the body equal to zero, then you will reach equilibrium.


A video showing the difference between a normal lung and a smoker's lung (smokes a pack of cigarettes daily)
Smoking frequently leads to loss of lung elasticity and leads to its hardening, in addition to COPD (Chronic Obstructive Pulmonary Diseases)
Cigarettes are the main cause of lung cancer, 90% of lung cancer cases are due to smoking.


A short video showing the death of a nerve cell. Neurons are not compensable. It does not have the ability to divide like the rest of the cells, because it does not contain the centrosome that forms the spindle filaments in the process of division.


What happens when a liquid's refractive index is equal to the refractive index of glass
Refractive index
J is the ratio of the speed of light in a vacuum to its velocity in that medium. It is a parameter that shows the extent of the material being affected by electromagnetic waves.


An experiment that shows the simple refraction of light
the phenomenon of deflection of a light ray from its path when it crosses the surface separating two different transparent mediums.


Static electricity
It is the branch of science that deals with the phenomenon of electrical attraction. Since ancient history, it has been known that some substances attract small particles after rubbing them. Password electron launched on many parts of the natural science. The phenomenon of static electricity came from the electrical forces that occur between different charges. These forces described by Coulomb's law. But these forces are considered weak forces, the electrical forces between the electron and the proton, which make them attract each other in the hydrogen atom, about 40 magniot from the force of attraction between them. Static electricity is caused by the gathering or absence of electrons in a region.








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