Space question: Looks like several countries are still working on spaceplanes. Is there a reason to do this now that SpaceX (and presumably soon Blue Origin) are doing reuseable rockets?
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The British design, at least, offers 100% reusability
We don't know the turnaround time and refurbishment costs for a Skylon because it doesn't exist yet.. Reusable rockets do and they're much simpler with a higher payload to mass ratio 
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Yes, but the question was why people are still pursuing them, and SSTO spaceplanes have the potential for better reusability after refinement, even if Falcons are the better option now
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