how is the zero gravity pen used on earth
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The pen uses pressurized ink cartridges which is what makes it able to write in zero gravity. Before the Apollo 7 mission, the zero gravity pen was tested by NASA for two years. The zero gravity pen was originally used in space to record data.
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Step-by-step explanation:
The pen uses pressurized ink cartridges which is what makes it able to write in zero gravity. Before the Apollo 7 mission, the zero gravity pen was tested by NASA for two years. The zero gravity pen was originally used in space to record data.
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