Feedback

From UO Physics Demonstration Catalog

Revision as of 12:28, 14 April 2022 by Physdemo (talk | contribs) (Created page with "{{NewDemo|subject=OWS|topic=Sound|file1=}} A plastic cub with an attatched grooved plastic string. When you run your fingernail along the grooves, the cup says, "Have a nice day." '''Location:''' *")
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Description:

A plastic cub with an attatched grooved plastic string. When you run your fingernail along the grooves, the cup says, "Have a nice day."

Location:

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