Fusion Energy Projects are Not Trying to Imitate the Sun
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The quest to use fusion power for break-even electricity generation has sometimes been described as “putting the sun in a jar”. Where by “jar,” we mean a carefully arranged series of coils that produce a powerful confining magnetic field. Usually it’s called a tokamak (toroidal design) or stellarator (complicated twisty design that is still topologically a toroid).
The sun is so enormous that confinement happens as a natural result of its own gravitational field. On the other hand,
The quest to use fusion power for break-even electricity generation has sometimes been described as “putting the sun in a jar”. Where by “jar,” we mean a carefully arranged series of coils that produce a powerful confining magnetic field. Usually it’s called a tokamak (toroidal design) or stellarator (complicated twisty design that is still topologically a toroid).
The sun is so enormous that confinement happens as a natural result of its own gravitational field. On the other hand,
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