Can we use todays technology to create a strong, light weight material that would be able to shield out radiation and sub - zero cold?

If computing techonolgy evolving at such a rapid pace, why can't we have two, three, four or more materials, elements or substances combined together to make one very light weight, but very strong material. Able to shield organinc material from radiation, able to handle very high velocities and high temps from atmospheres to space?

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