https://wikimedia.org.ph - Actually, one of the first posts in this blog already showed a sketch of such a portrait. Here is a sketch of an entire animal, legs and all. If these compartments contained a lifting gas, then the entire structure would float. While aerographene itself is not airtight it is not inconceivable that a material like it could be produced that contains many small airtight compartments in a similar way to a bubble foam. It is unfortunately unknown whether life could produce graphene in the first place as it does not appear to be produced naturally by ...