Dan asked about the ZAP manual. Here is the information:
"Zap! Experiments in Electrical Currents and Fields," by Jerry Pine, John
King, Philip Morrison, and Phylis Morrison, 1996.
Publisher: Jones and Bartlett Publishers, Sudbury, Massachusetts
(800-832-0034)
ISBN 0-86720-482-6
It is a good book. I am using it for my electricity and magnetism labs.
Regards,
Steven
Steven T. Ratliff
Associate Professor of Physics
Northwestern College
3003 Snelling Avenue North
St. Paul, MN 55113-1598
Internet: stratliff@nwc.edu (or str@nwc.edu)
Daniel Schroeder <DSCHROEDER@CC.WEBER.EDU>@lists.nau.edu: Forum for Physics
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Subject: Re: Simple radio signal
I just pick up signals from sparks on an ordinary AM radio.
To make the sparks I use a low-current 1000-volt power supply,
though perhaps an induction coil would be better.
(The power supply is home-made, from a recipe in ZAP! by Morrison
et al. If anyone knows where to get the ZAP! manual, I'd be
interested in hearing. Left my copy behind when I changed
jobs.)