Man invented ballpoint pen to write upside down, NASA took him to space

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  1. Man invented ballpoint pen to write upside down, NASA took him to spaceself-evolution
  2. Space pens, pencils and myth debunk: how NASA takes notes in spaceSciTechDaily
  3. An A-Z of everything you need to know about the space race, from astronauts to weightlessnesslejournal.fr
  4. Dust to dust and moon dust to oxygen – We go to space to be minersself-evolution
  5. Space pens: how NASA astronauts write in spaceEstMojo
  6. See full coverage on Google News

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