February 17, 2010
rl8-1: nanospectives: tiga: nakano: reretlet: 水で満たされた密封の容器に穴を開けても、水はこぼれない。これは負圧が働いているからだ。そして、この現象を利用して作られたのが、手で餌やりできる水槽。側面につけられたポケットから、お魚さんたちに餌を上げられるのだ。(via 手で餌やりできる水槽 『Impossible Fish Tank』 ← 古今東西製品情報)

rl8-1:

nanospectives:

tiga:

nakano:

reretlet:

水で満たされた密封の容器に穴を開けても、水はこぼれない。これは負圧が働いているからだ。そして、この現象を利用して作られたのが、手で餌やりできる水槽。側面につけられたポケットから、お魚さんたちに餌を上げられるのだ。
(via 手で餌やりできる水槽 『Impossible Fish Tank』 ← 古今東西製品情報)

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