Hot answers tagged fusion
Eddy currents. Conductors resist changes in magnetic field. This is the basis of the magnet-in-copper-pipe demo. When the conductive metal encroaches on the plasma ball it encounters the ball's (spheromak's) magnetic field. The eddy current effect pushes back on the metal and pushes inward on the plasma, compressing and adiabatically heating it. The plasma'...
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