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Team Fortress 2 >  创意工坊 > Sparkwire 的创意工坊 > Kaiser Visor > 讨论
Kaiser Visor
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PartyRockerPT 2014 年 10 月 13 日 下午 1:53
American Pen vs Russian Pencil
When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity. To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface, and at temperatures ranging from below freezing to 300 degrees Celsius.

The Russians used a pencil.
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ℐℎℯ Vladimir Pootis 2014 年 10 月 16 日 上午 5:08 
pretty much :P
pencil is always gonna work, under water, in space, upside-down, inside-out whatever.
lol nasa
#1
Geekstrada 2015 年 1 月 2 日 下午 11:34 
That's not true:

http://en.wikipedia.org/wiki/Space_Pen#Uses_in_the_U.S._and_Russian_space_programs
#2
Majora4Prez 2017 年 5 月 29 日 下午 6:28 
Necro!

Using a pencil in zero gravity causes wood shavings and bits of graphite to fly everywhere. Not only could those particles get stuck in equipment and ♥♥♥♥ it up, but they are also exceptionally flammable.
#3
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