旋转的彩色茶壶，并且可以通过键盘控制来实现茶壶的三维旋转-Spin the color of the teapot, and can be done through the keyboard control 3 d rotation of the teapot

This Thesis is a theoretical proposal concerning the fundamental physics of nanoscale magnetic devices (a field known as spintronics) and its control by means of light. Spintronics is a relatively new area of electronics/magnetics engineering in wh