Magnetism's subatomic roots
Saturday, September 4, 2010 - 06:00
in Physics & Chemistry
The modern world - with its ubiquitous electronic devices and electrical power - can trace its lineage directly to the discovery, less than two centuries ago, of the link between electricity and magnetism. But while engineers have harnessed electromagnetic forces on a global scale, physicists still struggle to describe the dance between electrons that creates magnetic fields...