File:2 Helium.png

2_Helium.png (400 × 215 pixels, file size: 57 KB, MIME type: image/png)

Summary

Description
English: Liquefied Helium
Date 8 November 2008 (original upload date)
Source Transferred from en.wikipedia to Commons by Liftarn using CommonsHelper.
Author Vuerqex at English Wikipedia

Licensing

Public domain This work has been released into the public domain by its author, Vuerqex at English Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
Vuerqex grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2008-11-08 21:20 Vuerqex 400×215× (58062 bytes) Liquefied Helium

This file is a closeup of photo of superfluid helium, shown in black-and-white at right:

The liquid helium is in the superfluid phase. As long as it remains superfluid, it creeps up the inside wall of the cup as a thin film. It comes down on the outside, forming a drop which will fall into the liquid below. Another drop will form - and so on - until the cup is empty.

Thus, the helium shown is not only liquid, but has been cooled to the point of being in a superfluid state (helium-II).

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8 November 2008

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image/png

checksum

3c311bc507eeaac32f7058739d824901affa549c

determination method or standard: SHA-1

data size

58,062 byte

height

215 pixel

width

400 pixel

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Date/TimeThumbnailDimensionsUserComment
current13:01, 26 November 2010Thumbnail for version as of 13:01, 26 November 2010400 × 215 (57 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Liquefied Helium}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]; transferred to Comm

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