[FPSPACE] Chinese oak heatshield

[Paolo Ulivi]

I want to come back to an often-repeated legend: that of Chinese heat
shields made of wood (oak wood, exactly).
What is interesting is that powdered cork oak wood is used also as one of
the ingredients of US heat shields, for example on all Martian landers from
Viking on. Could it be that wood is just one ingredient of the Chinese
shields as well?
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