Esempi
Currently the most developed plasma configuration is produced in the doughnut-shaped tokamak .
As discussed earlier, full steady-state operation in a tokamak requires that the inductive plasma current is completely replaced by a non-inductive one.
In the tokamak , two powerful electromagnets create fields that are so powerful that they can hold a hot plasma in place as readily as a person can hold an orange in her hand.
The most common mechanism for controlling plasma reactions today is called a tokamak , originally designed by the Russian physicist Lee Artsimovich in the late 1950s.
Fusioneers have worried that bigger tokamaks would require a much stronger magnetic-field ‘bottle’ to confine the superhot plasma that fusion requires.
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