If glass and plastic didn't exist, how fast could progress in biology have gone in the past 100 years? Is there an equivalently useful new material we don't have yet?
well, i suppose, but stacks of graphene are very distinct from a sheet that’s rolled up. doesn’t have the morphological property that’s the most relevant for eg tensile strength or eg electrical properties shared with graphene and nanotubes. just my thinking
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I'd say what matters most is pi-pi bonding on a *planar* surface, which allows you to scale up to a macro-scale structure through the use of fibers -- in practice, your tensile strength is much lower if you try to make a composite highly loaded with graphene, if you can load it.
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yes, the bonds off plane aren’t strong. optimizing this is critical to achieving good tensile strength even in your other example, carbon fiber, There’s a vast differences and the tensile strength and modulus depending on how you make it
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