How a tokamak works: The electric field induced by a transformer drives a current (big red arrows) through the plasma column. This generates a poloidal magnetic field that bends the plasma current ...

Elevate your new iPad experience with more versatile accessories from ESR, like the multi-angle Flip Magnetic Case, easy-application UltraFit Screen Protector, affordable Geo Digital Pencil with Find ...

It’s a simple magnetic ring attached to a non-magnetic finger ring that doubles as a kickstand. But what if both rings were magnetic? What if both of them were the same size? What if each of ...