Re: pinhole suction

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From: pauld@exploratorium.edu
Date: Mon Apr 28 2003 - 16:18:54 PDT


Message-Id: <200304282318.h3SNIio23967@isaac.exploratorium.edu>
From: pauld@exploratorium.edu
Subject: Re: pinhole suction
Date: Mon, 28 Apr 2003 16:18:45 US/Pacific

Jennie

They could try a turkey baster.
Squeeze it down.
As it rebounds air will flow into it entraining the spider.

Paul D

> Hi again,
> i've got some students trying to invent something that will suck up a spider
> into a little chamber and then let it free. they tried using pvc tubes that
> fit inside one another and pulling one out in order to try to create some
> suction, but that's difficult. they've been reading about how vacuum
> cleaners work, and experimenting with fans to try to create a mini-vacuum as
> well. if this makes any sense, does anyone have any advice on how to build
> such a thing? or a resource to explore?
> thanks very much,
> jennie
>
>
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