233
Why are maglev trains still rare?
(lemmy.ml)
A loosely moderated place to ask open-ended questions
Search asklemmy ๐
If your post meets the following criteria, it's welcome here!
Looking for support?
Looking for a community?
~Icon~ ~by~ ~@Double_A@discuss.tchncs.de~
"vacuum tube doesnt automatically mean conditions on a spacecraft in sci-fi "
Half atmosphere is less pressure difference than normal passenger planes.
The direction of pressure difference is important
Its the same? Pressurized cabin in a lower pressure environment
The problem is the high pressure environment outside the low pressure environment