Dewar
liquid_helium.jpg
This image was taken looking down through an airlock into the top of a liquid helium dewar. The helium can be seen as liquid in the center of the image. Helium becomes liquid at 2.1 Kelvin. The extreme cold is vital to maintaining the superconducting envi
This image was taken looking down through an airlock into the top of a liquid helium dewar. The helium can be seen as liquid in the center of the image. Helium becomes liquid at 2.1 Kelvin. The extreme cold is vital to maintaining the superconducting envi
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