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unocoder1 t1_ixydvfn wrote

>To build it, we need a material whose specific strength is about 50 times higher than steel.

Ah, so it still has the same issues as it had 20 years ago. Ok then.

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Gmn8piTmn t1_ixyq20i wrote

Yes but 20 years ago it was 20 years away so the breakthrough in material science should be riiiiight around the corner.

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