| 21. | The name National Ignition Facility refers to the goal of igniting the fusion fuel, a long-sought threshold in fusion research.
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| 22. | This was also the reason why the lower-enriched slugs of fusion fuel were placed far aft of the fuel capsule.
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| 23. | In a hydrogen bomb, the fusion fuel is compressed and heated with a separate fission bomb ( see Teller-Ulam design ).
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| 24. | Besides compressing and igniting fusion fuel magnetically, the fusion reactions could also be ignited by an implosion as in hydrogen bombs.
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| 25. | To shrink the size of the weapon, the reflectors were made parabolic with the solid fusion fuel located at the foci.
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| 26. | When the fission bomb is detonated, gamma rays and X-rays emitted first compress the fusion fuel, then heat it to thermonuclear temperatures.
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| 27. | In these devices, the energy released by the fission explosion is used to compress and heat fusion fuel, starting a fusion reaction.
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| 28. | This led to the idea of using a device that would " beam " the energy at the fusion fuel, ensuring mechanical separation.
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| 29. | The hohlraum then gives off x-rays, which are used to heat a small fuel pellet containing a deuterium-tritium ( DT ) fusion fuel.
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| 30. | The target, a fusion fuel pellet about 1 mm in diameter in the case of HiPER, lies at the center of the chamber.
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