Seonglae ChoThe sun we see is the sun from 8 minutes ago, and the stars we see are traces of stars that may or may not exist now.
Special Relativity Notion
If someone had explained to me the relationship between Special Relativity and Electromagnetism in terms of how magnetism arises when I was a student, I would have had a much deeper understanding of physics.
The Electromagnetic field, how Electric and Magnetic forces arise
What is an electric charge? Or a magnetic pole? How does electromagnetic induction work? All these answers in 14 minutes!
0:00 - The Electric charge
3:06 - The Electric field
4:51 - The Magnetic force
7:45 - The Magnetic field
11:00 - The Electromagnetic field, Maxwell's equations
This video is narrated by Octave Masson.
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To learn more :
https://en.wikipedia.org/wiki/Electromagnetic_field
https://www.youtube.com/watch?v=XoVW7CRR5JY
Classical electromagnetism and special relativity
The theory of special relativity plays an important role in the modern theory of classical electromagnetism. It gives formulas for how electromagnetic objects, in particular the electric and magnetic fields, are altered under a Lorentz transformation from one inertial frame of reference to another. It sheds light on the relationship between electricity and magnetism, showing that frame of reference determines if an observation follows electric or magnetic laws. It motivates a compact and convenient notation for the laws of electromagnetism, namely the "manifestly covariant" tensor form.
https://en.wikipedia.org/wiki/Classical_electromagnetism_and_special_relativity
Equations
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2권인 양자역학 보다 일단 전자기장에 대한 3권을 먼저 읽어본다. 저번에 읽은 패러데이&맥스웰 책과의...
https://m.blog.naver.com/jeonghj66/222742634713
