slashdave t1_j11t701 wrote
Reply to comment by Tanagriel in Could being submersed in a sealed tank of fluid help humans survive heavy G acceleration in outer space? by cheeze_whiz_shampoo
In the UFO TV show, the aliens space suits were filled with blue liquid for breathing. This idea turned into a plot device later in the series (the aliens were very human looking, with a blue skin color only due to this liquid staining their skin).
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