How the Smithsonian Prevents Neil Armstrong's Spacesuit From Slowly Destroying Itself With Harmful Gases

Short of entombing it in a giant resin block like a prehistoric mosquito trapped in amber, the Smithsonian's conservators can't stop Neil Armstrong's spacesuit from slowly breaking down over time. But, as Adam Savage discovered, they have come up with a clever way to slow down the degradation. It's not obvious to...