Inertial Electrostatic Confinement

This type of fusion uses ELECTRIC fields to confine the hot plasma. “Fusor” models demonstrate this type of electrostatic  confinement of plasma.  

When the grids are charged to a high voltage, the gas ionizes. The field between the two then accelerates the ions inward, and when it passes the inner grid, the field drops and the ions continue inward towards the center.

If they impact with another ion they may undergo fusion. If they do not, they travel out of the reaction area into the charged area again, where they are re-accelerated inward. This process continues.

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