Superfluid Helium (opens in new tab)

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1 pointsmpiedrav6y ago1 comments

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From "Sonda" (1977-1989), a Polish science show.

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(m.youtube.com)

1 pointsmpiedrav6y ago1 comments

From "Sonda" (1977-1989), a Polish science show.

j / k navigate · click thread line to collapse