Iron which is brought near a spiral of copper wire, traversed by an electrical current, becomes magnetic, and then attracts other pieces of iron, or a suitably placed steel magnet.
- Hermann von Helmholtz
HTML Medium Image Quote Embed:
HTML Large Image Quote Embed:
HTML Text Quote Embed with <blockquote>:
BB Forums Medium Image Quote Embed with <BB Code>:
Please login in order to submit reports.