Word: cryostat
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Dates: during 1962-1962
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...side of the experimental hall, scientists have constructed one of the most important pieces of apparatus to be used in the C.E.A.'s experimental program: a liquid helium cryostat. This device will cool and liquify gases, principally hydrogen, for beam targets and bubble chambers. The bubble chambers are large jars of liquid hydrogen, and are used as tracking devices. Many short-lived, invisible particles leave a track of bubbles as they travel through the hydrogen. These tracks can be photographed and later studied...
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