yourresidentginger:

Heh.

Myth!

Of course the US space program thought of using pencils. The problem with pencils was that the graphite pencil “leads” are quite brittle. On Earth, that’s not a problem; you can dust the chipped bits of grey stuff off your desk and carry on with your day. But in a low gravity environment, graphite splinters and particles float through the air, damaging delicate equipment and (cringe with me) getting into people’s eyes. Health and safety was the motivation behind the pressurized pens. And the Russians adopted them, too!

Notes

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  8. budgiebin reblogged this from spacedpanini and added:
    Actually, the real problem is tiny bits of graphite breaking off and getting into the instruments and, apparently,...
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    but….if the pencil shatters then bits of the wooden pencil floating/zooming around in no gravity would harm the...
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