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Chemistry

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  • $\begingroup$ I don't know the right answer but I would guess that the higher density of slush hydrogen compared to liquid hydrogen might play a role. $\endgroup$
    – Philipp
    Commented May 15, 2012 at 15:59
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    $\begingroup$ @Philipp yes, but you don't need the triple point for that, just liquid–solid equilibrium (which happens on a line in the phase diagram, not only at the triple point)… $\endgroup$
    – F'x
    Commented May 15, 2012 at 18:28
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    $\begingroup$ This is just a shot in the dark, but wouldn't rocket fuel (or other slush hydrogen applications) require hydrogen as a gas? If one stores it at the triple point, that might allow you to have high density and use it as a gaseous fuel. $\endgroup$
    – LeakyBattery
    Commented May 16, 2012 at 0:29