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Jul 19, 2018 at 19:19 vote accept Árpád Szendrei
Jul 19, 2018 at 15:06 comment added Michael Seifert @PeterShor: As the Fifth Dimension sang: "Up, up and away in my red-hot vanadium balloon"
Jul 19, 2018 at 11:46 history edited Qmechanic CC BY-SA 4.0
deleted 196 characters in body; edited tags
Jul 19, 2018 at 11:29 answer added V.F. timeline score: 4
Jul 9, 2018 at 2:54 history tweeted twitter.com/StackPhysics/status/1016153600412839936
Jul 9, 2018 at 0:47 comment added Peter Shor Nylon ignites at 400C. Steel melts at 1510C. Heating your hot-air balloon to 1700C is a really, really, bad idea.
S Jul 8, 2018 at 23:14 history suggested KF Gauss
Wrong tags
Jul 8, 2018 at 23:04 comment added KF Gauss I'm guessing if you put the actual numbers for the density of hot air balloons (which btw are no where near 1700C) you can find where they land on the density of air vs height
Jul 8, 2018 at 23:01 review Suggested edits
S Jul 8, 2018 at 23:14
Jul 8, 2018 at 18:22 history asked Árpád Szendrei CC BY-SA 4.0