| http://www.w3.org/ns/prov#value | - Graphene is the strongest material ever tested,[135] with an intrinsic Tensile strength of 130 GPa and a Young's modulus (stiffness) of 7000100000000000000???1 TPa (7008150000000000000???150,000,000 psi).[136] The Nobel announcement illustrated this by saying that a 1 square meter graphene hammock would support a 7000400000000000000???4 kg cat but would weigh only as much as one of the cat's whisk
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