File:Liquid helium lambda point transition.jpg
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Summary
| 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. |
Licensing
|
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. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:37, 3 September 2009 | | 1,376 × 1,410 (278 KB) | Aleitner | I uploaded a higher quality scanned version of the previous oicture. |
| 00:16, 30 August 2009 |  | 1,792 × 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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