Many library collections use special equipment, such as special gloves and climate-controlled rooms, to protect the archival materials from the visitor. For the Pierre and Marie Curie collection at France’s Bibliotheque National, it’s the other way around.
That’s because after more than 100 years, much of Marie Curie’s stuff – her papers, her furniture, even her cookbooks – are still radioactive. Those who wish to open the lead-lined boxes containing her manuscripts must do so in protective clothing, and only after signing a waiver of liability.
Here’s a really interesting story about how naive the early pioneers of radiation were. Amazing work that these pioneers had accomplished.