Hello, everybody. Welcome back to our lecture series. This will be an introduction to part three, electric and magnetic fields. My name is Professor Seungbum Hong and to my right side I have my teaching assistant, Melodie Glasser. So, we're going to introduce ourselves. My name is, as I mentioned, Seungbum Hong. I'm a professor at KAIST alumni and I've been an Argonne researcher. Melodie Glasser is a KAIST master student and she's a Colorado School of Mines alumni. So, this would be our symbol of the University and it is located in the center of South Korea, which is a peninsula, and you can see the red dot. Here in this slide, we're going to check our overall structure of lecture series. We just finished the first and second part of our lecture series, the introduction and analysis of electric fields. Now, we will enter into the third part namely, electric and magnetic fields, and this series will be covered over five weeks. So, let me revisit the scope of the first two lectures series. As you can see, we were able to visualize the fields, vector fields and scalar fields and we were able to quantify those fields. Also, we covered multi-scale fields from micro to macro scale, where you can see the crystal structure of a sodium chloride which is a salt, to the macroscopic parallel plate capacitor. We also analyzed the force acting between those capacitors as well as the force between each ion to calculate the Madelung constant. Then, we have still more to learn. We will learn the magnetic fields from the basic unit, which is the magnetic dipole moment. As you can see, the circulation of the current around the square loop will be the foundation of magnetic dipole moment. With that understanding, we will apply magnetic and electric field concept to build devices like generators or motors. So, this slide is about the scope of the third lecture series and my teaching assistant, Melodie will briefly explain it to you. Okay. So, in this portion of the series, we're going to talk more about magnetic fields than we have before. However, our first section is going to be about electrostatic analogs. That's going to be how you can relate the knowledge you've learned in this course to perhaps other fields such as heat transfer, and diffusion, and membrane analysis. Then, we're going to start looking at magnetostatics. From there, we're going to build on how the magnetic statics produce a magnetic field and how that's going to look in different situations such as along this current carrying wire. Then, we're going to talk about the vector potential, which is similar to the potential we talked about in electrostatics earlier, and circulates like this around the current carrying wire. Then, we're going to talk about induced currents and in that lecture, we're going to talk about generators and how we can build them. Excellent. So, as Melodie mentioned, we will learn about a vector potential, which is similar to electrostatic potential, and use different approach to get the same result for magnetic field and that will be very powerful when we learn more advanced quantum mechanics in the future. So, with that, we'd like to wrap up our introduction and I hope you will enjoy our lecture series as you did before. Thank you and have a nice day. Bye-bye.