Lapel Elementary  
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How can this happen? I can see the glass fish now, but when I dip it in the vegetable oil it

How can this happen? I can see the glass fish now, but when I dip it in the vegetable oil it "disappears."


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 Gallery: Department of Physics Photo Gallery - Purdue University navigate UP   Album: Physics Outreach navigate UP   Album: School Visits navigate UP   Album: Lapel Elementary navigate UP