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The same thickness as a hair is enough to make a passage from a filter paper to a glass tube, meanwhile we have to prepare the mechanism so as not to leak water on the way of passage.
Then, in the picture of the magazine, the passage of the pump is composed in order to be 〈filter paper〉ー〈+〉ー〈−〉ー〈filter paper〉ー〈+〉ー〈−〉ー〈filter paper〉・・・, its surround is congealed with epoxy resins.
More than 10 years have passed since manufacturing the pump, but the pump is drawing water still more ( in the beginning of the 1990's ).
Accordingly, it has been confirmed that the second law of thermodynamics is wrong. ・・・」
(→ 〝Maxwell's demon″ )
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