TIL the reason why NASA (and later the Russians) use a specialised space pen instead of pencil in space is because the graphite of pencils is conductive and can cause short circuits and even fires. The pens have been used since the Apollo era and are still being used right now on the ISS.
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Submitted May 05, 2019 at 07:45AM by MistressGravity http://bit.ly/2vFT4ye
Submitted May 05, 2019 at 07:45AM by MistressGravity http://bit.ly/2vFT4ye
TIL the reason why NASA (and later the Russians) use a specialised space pen instead of pencil in space is because the graphite of pencils is conductive and can cause short circuits and even fires. The pens have been used since the Apollo era and are still being used right now on the ISS.
![TIL the reason why NASA (and later the Russians) use a specialised space pen instead of pencil in space is because the graphite of pencils is conductive and can cause short circuits and even fires. The pens have been used since the Apollo era and are still being used right now on the ISS.]()
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