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I read that scientists finally reproduced a more efficient fusion with a novel approach.

They accelerate hydrogen inside a pellet with a LASER. A single H atom produces three $\text{He-4}^+$ nuclei.

If employed directly, 3 nuclei means 3 x $1.602 \times 10^{-19}$ Coulomb of charge. So we need to keep $0.2081^{19}$ hydrogen atoms reacting every second to have a constant output of 1 Ampere.

The question that bugs me is, how many Amperes are necessary to accelerate that many H atoms within the boron using the Chirped Pulse Amplification laser to keep them reacting?

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