Why don't astronouts use pencils? – InterviewSolution

1.

Why don't astronouts use pencils?

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Explanation:

To understand why NASA was so keen on a workable space pen, you have to understand that the pencil is not suited for space travel. The problem is that they have a habit of breaking, shattering, and LEAVING graphite dust BEHIND. The wood, too, can make it a serious FIRE risk in the pressurized, oxygen-rich CAPSULE

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