One of the mysteries of the English language finally explained.
The constriction of a plasma through which a large electric current is flowing, caused by the attractive force of the current's own magnetic field.
- ‘Mr Michael Smith and colleagues have developed a computer model that successfully reproduces the so-called ‘pinch effect’ which sparks off a jam.’
- ‘It also generated a convincing version of the transition from synchronized flow to a growing jam called the ‘pinch effect.’’
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