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Space pen: Difference between revisions
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{{a|g|[[File:AG-7 Space Pen.JPG|450px|A space-age pencil yesterday]]}}''Warning — another in the JC’s collection of [[amusing but apocryphal stories about space flight]]. This one an excellent fable for shutting up technolocal evangelist types''. | {{a|g|[[File:AG-7 Space Pen.JPG|450px|thumb|A space-age pencil yesterday]]}}''Warning — another in the JC’s collection of [[amusing but apocryphal stories about space flight]]. This one an excellent fable for shutting up technolocal evangelist types''. | ||
During the heady days of the space program, technologists hit upon a snag: in zero-gravity, a ballpoint pen will not work as it relies on gravity pushing ink down under the ball mechanism. This is why you cannot write upside down with a biro. | During the heady days of the space program, technologists hit upon a snag: in zero-gravity, a ballpoint pen will not work as it relies on gravity pushing ink down under the ball mechanism. This is why you cannot write upside down with a biro. | ||