Why do we need magnets? Magnets are fun but they are also very useful. Magnet magic looks at how magnets work and how we use them every day in many different ways. Lively text, colourful pictures and fun puzzles help you to learn all about magnets. Part of the series Now You Know Science - 6 titles that cover fun science topics.
The last formula was first obtained by Halpern and Johnson in their classic paper on magnetic neutron scattering ( Halpern and Johnson , 1939 ) . Its meaning is : The scattered beam is polarized in the direction of the scattering vector ...
David J. Sellmyer, Yi Liu, Daisuke Shindō. 6 New Magnetic Recording Media D. J. Sellmyer , H. Zeng , M. Yan , S. Sun and Y. Liu 6. 1 Introduction Magnetic recording media can take the form of tape , floppy disk , or hard ( rigid ) disk ...