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Ok magnetism is primarily due to the net magnetic moment alignment of electrons, which involves spin. Every electron has a magnetic dipole moment. In most materials the alignment cancel each other out. However certain materials such as hematite the net alignment is imbalanced. Here is a rather lengthy 633 page article that has excellent coverage of magnetism. This will greatly help you in your physics course. It will detail several highly important details such as the Currie temperature etc. https://www.google.com/url?sa=t&source=web&rct=j&url=http://www.dsf.unica.it/~fiore/libricorsoptr/coey-magnetism.pdf&ved=2ahUKEwj7puu4-pTbAhUeHGMKHVdgBO0QFjAAegQIBxAB&usg=AOvVaw01a_57WGwNznR89qLB3zxW The article is essentially a one stop resource for pretty much anything you will need to know or want to know about magnetism and why certain materials have greater magnetic susceptibility and others don't. How this ties into spin orbitals etc. It also details Maxwells equations etc. Rather than give snippets of details which would be unavoidable via strictly questions and answers on a forum this will provide you a comprehensive and rather detailed understanding of magnetism.

"What are drinking?"

Scientist with the right equipment can do it using mass spectrometer. Elements can be identified by their spectral lines. This method is used by astrophysicists it learn what is composition of stars.

Or can you? Is the question about free will vs determinism? In which case, maybe you can't control the future: whatever decision you make (to have a drink or not have drink) may have been predetermined. Even the fact that you change your mind after reading this, to prove that you can, was also predetermined. ... ... As was the fact you have just changed it back again

You might want to rethink that

Hi, community! I'm Karl. I recently found a very interesting project, and I wanted to share it with someone, so... here I am. The project deals with the creation of machines that use free energy as the engine for their operation; the project is not mine. This project is of a Spaniard named Fernando Martínez Gómez Tejedor, he is in search of professionals trained in different areas, such as electricity, energy, electromagnetism or mechanics. The project is non-profit, so, anyone who wants to participate, should do it for pleasure or personal improvement. If you are interested and want to be part of this project, write to: email address removed And, I leave some links for more information. In Spanish, sorry:(.