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- Newsgroups: sci.physics
- Path: sparky!uunet!mcsun!sunic!corax.udac.uu.se!irfu.se!mw
- From: mw@irfu.se (Mattias Waldenvik)
- Subject: Re: Materials for simple static electricity expts.
- Message-ID: <1992Dec17.122451.4630@irfu.se>
- Date: Thu, 17 Dec 1992 12:24:51 GMT
- References: <1992Dec15.210441.28006@ncar.ucar.edu> <Dec.16.20.40.12.1992.9610@ruhets.rutgers.edu>
- Organization: Swedish Institute of Space Physics, Uppsala, Sweden
- Lines: 17
-
- In article <Dec.16.20.40.12.1992.9610@ruhets.rutgers.edu> bweiner@ruhets.rutgers.edu (Benjamin Weiner) writes:
- >When I ran an electrostatics lab session we obtained opposite charges by
- >rubbing:
- >1. plastic (bakelite?) rods with fur or possibly wool
- >2. glass rods with silk, or maybe even nylon.
- >
- >I don't think anyone's mentioned #2. I remember that it was always
- >a little harder to charge the glass rods. Of course it should
- >be done on a very dry day.
-
- By rubbing a balloon aginst your hair it is possible to
- make the balloon stick to the ceiling for example. (This
- will relly confuse your kids). Another neat electrostatic
- demonstration is the bending of running water using a
- comb you just pulled through your hair.
-
- Cheers, Mattias
-