fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · edit-26 个月前[Partially incorrect, see comments.] Pens in Spacemander.xyzimagemessage-square150linkfedilinkarrow-up11.47Karrow-down134
arrow-up11.43Karrow-down1image[Partially incorrect, see comments.] Pens in Spacemander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · edit-26 个月前message-square150linkfedilink
minus-squareblackbrook@mander.xyzlinkfedilinkEnglisharrow-up3·6 个月前Don’t felt tip pens work by capillary action?
minus-squarepsud@aussie.zonelinkfedilinkEnglisharrow-up5·6 个月前That do. The failure comes if the spacecraft use lower air pressure, then the ink is pushed out of the pen by the pressurised gas in the ink The same thing causes some pens to leak in aeroplanes.
![[Partially incorrect, see comments.] Pens in Space](https://mander.xyz/pictrs/image/466a2af6-4d33-4f93-aa6c-eaaf49ab899f.jpeg){kind=link}
Don’t felt tip pens work by capillary action?
That do. The failure comes if the spacecraft use lower air pressure, then the ink is pushed out of the pen by the pressurised gas in the ink
The same thing causes some pens to leak in aeroplanes.