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Building a better Guinea and Feather

Step 20Support Amazon.com

Amazon.com is sponsoring this science fair contest so buy stuff from them.

My personal favorite undergraduate physics text is Halliday, Resnick & Krane.

As for parts and materials for this project, Amazon.com sells
303 stainless steel
O-rings
2" Aluminum square tube
Acrylic cement

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I have B.S. degrees in both Physics and Electrical Engineering. I do Lecture Demonstrations for the University of Washington Department of Physics. I don't check my messages here so please email me ...