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You'd think a museum with millions of dollars+ worth of history would have better security and protection of the artifacts.
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I volunteered at a couple museums.
They have a difficult time balancing viewing access to the public. budget, and collection preservation.
High dollar items usually are behind a clear enclosed display, but many are set out on a stand due to budget or viewing reasons.
Ideally the air inside a museum is filtered and temperature/humidity controlled to minimize dust and item preservation, which is incredibly expensive.
I just watched a short on the steps they took to preserve and display Niel Armstrong's suit. The suit has internal airflow (nitrogen I believe) and temperature/humidity control to help preserve it. A ton a research and development went into that one item.
https://www.youtube.com/watch?v=oOsF2wBMfm8