Paper 1 : Physics of Scale and Quantum Limit _ M.A.Sh

Consider a large-scale system (such as a solar system). Make this system smaller and smaller. What do you think happens with downsizing?

Will we see a difference in behavior from a certain point onwards (for example, the atomic limit or the Angstrom)?

Will we reach from classical physics to quantum physics?

Is there a limit to the quantum nature of a system (either in terms of dimensional scale or in terms of the energy scale, etc.)?

If the answer is yes, that's what we (in the APG) call physics of scales.

The system's behavior differs on different scales (dimensions, energy, etc.). (M.A.Sh)

FAPG

You can view the text of the article on LinkedIn.

Question about Propagation of a Mechanical Wave

Someone asked :

What are the basic properties that a medium must possess to have the propagation of a mechanical wave? 

 

And Founder of APG ( FAPG ) was answering ?

The necessary condition is the elasticity of the medium. This means that for a wave to be produced in a medium, the medium must be elastic and continuous. After the wave is generated, we must examine the propagation conditions. What are the conditions for wave propagation?! Here, the Physics of scales helps us. we measure the parameters of the wave (note that the speed of the wave is determined by the coefficient of elasticity and density of the medium) and we compare them. If the amplitude is greater than the wavelength, the wave propagates easily, but if it is smaller, the wave stops (Absorbed by the medium). (M.Sh)