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Old Apr 21, 2014 | 06:58 PM
  #1  
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Ball Point Pens

Ball Point Pens

When NASA started sending astronauts into space, they quickly discovered that ball-point pens would not work in zero gravity. To combat this problem, NASA scientists spent a decade and $12 million developing a pen that writes in zero gravity, upside-down, on almost any surface including glass and at temperatures ranging from below freezing to over 300° C.




The Russians used a pencil.
Your taxes are due in April -- enjoy paying them.
 
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Old Apr 21, 2014 | 08:32 PM
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Not that the "guvmint" is against wasting money, but they apparently didn't this time. Several references stated that NASA bought Fisher pens -- developed privately -- for about $6 ea. Apparently the Russkis eventually did the same.

Pencils are the obvious thought, but they break, need to be sharpened, and produce 'litter'.

hj
 
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Old Apr 22, 2014 | 10:39 AM
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Originally Posted by ford2go
Not that the "guvmint" is against wasting money, but they apparently didn't this time. Several references stated that NASA bought Fisher pens -- developed privately -- for about $6 ea. Apparently the Russkis eventually did the same.

Pencils are the obvious thought, but they break, need to be sharpened, and produce 'litter'.

hj
Not mechanical pencils....
 
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Old Apr 22, 2014 | 11:40 AM
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Believe it or not pencil lead isn't really lead, but a mixture of carbon and clay and other stuff. In a pinch, an old Elmer showed me how to make a resistor for an old radio by cutting a pencil down to the right length.

Point (heh) being, the engineers may have decided that tiny chunks of conductive material floating around in a pure oxygen, weightless environment and could settle in switches or somewhere else it shouldn't.

Sent from my iPhone using IB AutoGroup
 
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Old Apr 22, 2014 | 05:42 PM
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I kinda posted this as a morning chuckle
 
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Old Apr 22, 2014 | 10:01 PM
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The way I see it most of the lead was used from Girls in school, when you asked them out and they didn't want to go , they just stabbed you with a pencil, and that told me I didn't want anything to do with that girl ( ever). Good laugh Hank
 
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