One of the mysteries of the English language finally explained.
A magnet that retains its magnetic properties in the absence of an inducing field or current.
- ‘He did it by using only the energy contained in the atoms of permanent magnets, he said.’
- ‘A permanent magnet may be represented precisely by an appropriate density of hypothetical magnetic charges on its two pole faces.’
- ‘If this condition persists even in the absence of an external magnetic field, the material is a permanent magnet.’
- ‘The magnetic ring includes a ring and a pair of permanent magnets that extend from the ring.’
- ‘The molecules were maintained under tension by the field gradient of two small permanent magnets placed above the sample.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.