fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · edit-22 days ago[Partially incorrect, see comments.] Pens in Spacemander.xyzimagemessage-square149fedilinkarrow-up11.45Karrow-down135
arrow-up11.41Karrow-down1image[Partially incorrect, see comments.] Pens in Spacemander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · edit-22 days agomessage-square149fedilink
minus-squareblackbrook@mander.xyzlinkfedilinkEnglisharrow-up3·1 day agoDon’t felt tip pens work by capillary action?
minus-squarepsud@aussie.zonelinkfedilinkEnglisharrow-up4·1 day agoThat 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.