this post was submitted on 14 Apr 2025
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The reason not to use pencils in Space wasn't that Pencil are inflamable, the main reason was the graphit dust produced by Pencils, which because of the lack of gravity, enter floating in the electronic, causing short circuits as main risk.
Also a broken bit of lead could easily float into someone's eye or get aspirated.
There is no way either side used lead pencils. Saying lead is in pencils is a very outdated thing, it's all graphite these days.
A sharp piece of graphite from a broken pencil is not something you would want in your eyes either