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Old 17th April 2019, 09:46 AM   #40
dasmiller
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Join Date: Oct 2008
Location: Well past Hither, looking for Yon
Posts: 6,238
Originally Posted by Gingervytes View Post
People need to realize that gas expands freely into a vacuum

https://www.youtube.com/watch?v=AubIFUsq7Ss
I think many of us understand that just fine. Can you elaborate on the significance for rocket propulsion?
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