Date: Sun, 28 Nov 1999 12:55:03 +0100

Author: Adolf Cortel

Subject: Re: electrostatics demo


At 10:12 26/11/99 +0000, you wrote:
>I was reading an old issue of Quantum last night (January/February
>1997, page 28) and came across the following 'microexperiment':
>float a needle (metal) on water
>bring a charged rod near it
>what happens?

This experiment is described in A.D.Moore's "Electrostatics" (The
little island that runs away, p.85-6, 2nd ed) without needles, using bits of
metal cut from a wire.
Best regards,

Adolf Cortel
IES El Cairat
08292 Esparreguera
Barcelona SPAIN