File:Liquid helium lambda point transition.jpg

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Original file ‎(1,376 × 1,410 pixels, file size: 278 KB, MIME type: image/jpeg)

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Description
English: When liquid helium is cooled down from 4.2K to the lambda point at 2.2K the liquid for a brief moment boils up violently.Suddenly, boiling ceases. This is the transition from the normal phase to the superfluid phase.
Date
Source Own work by uploader., Photograph from my movie "Liquid Helium, Superfluid".
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 expired and was not renewed:PUBLIC DOMAIN.

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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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
current16:37, 3 September 2009Thumbnail for version as of 16:37, 3 September 20091,376 × 1,410 (278 KB)AleitnerI uploaded a higher quality scanned version of the previous oicture.
00:16, 30 August 2009Thumbnail for version as of 00:16, 30 August 20091,792 × 1,200 (690 KB)Aleitner{{Information |Description={{en|1=When liquid helium is cooled down from 4.2K to the lambda point at 2.2K the liquid for a brief moment boils up violently.Suddenly, boiling ceases. This is the transition from the normal phase to the superfluid phase. }}

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