Where are relativistic corrections applied and why?

[taoke]

I had a few questions about Relativistic correction:

A. Where in physics are Relativistic corrections made? and why?

B. What are some examples of technologies that must apply Relativistic corrections? why?

 

[Dr Transport]

I had a few questions about Relativistic correction:

A. Where in physics are Relativistic corrections made? and why?

B. What are some examples of technologies that must apply Relativistic corrections? why?

Many areas of physics use the reletivistic correction. An example where you might not think it is necessary is in the correct calculation of the band structure of material whether it be a conductor, semiconductor or insulator.