Examlex
Ernest Rutherford received the Nobel Prize for his work on radioactive substances.
English System
A traditional system of measurement that includes units such as pounds, gallons, and miles, used primarily in the United States.
Permanent Magnet
A material that maintains its own persistent magnetic field without the need for an external power source.
Separate Magnet
A standalone magnet that is not electrically connected or influenced by others, used to exert magnetic force or influence in various applications.
Lodestone
Naturally occurring magnetite rock that exhibits magnetic properties, historically used as an early form of magnetic compass.
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