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File:Liquid Helium.jpg

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Summary

Description
English: Liquid helium in a vacuum bottle. The liquid is at the normal boiling point (4.2K,1 atm.), boiling slowly.
Date
Source Own work
Author Alfred Leitner photographed this as part of his movie "Liquid Helium, Superfluid".
Permission
(Reusing this file)
The movie had U.S. copyright 1963, which expirede & was not renewed: PUBLIC DOMAIN.

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current14:50, 4 September 2022Thumbnail for version as of 14:50, 4 September 20221,600 × 1,200 (617 KB)User-duckCropped 4x3 using CropTool with lossless mode.
20:28, 29 August 2009Thumbnail for version as of 20:28, 29 August 20091,792 × 1,200 (726 KB)Aleitner{{Information |Description={{en|1=Liquid helium in a vacuum bottle. The liquid is at the normal boiling point (4.2K,1 atm.), boiling slowly.}} |Source=Own work by uploader |Author=Alfred Leitner photographed this as part of his movie "Liquid Helium, Supe

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