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From: moroney@world.std.spaamtrap.com (Michael Moroney)
Newsgroups: sci.physics
Subject: Re: Electricity, Gravity, and Magnetism
Date: Mon, 1 Oct 2018 15:45:29 +0000 (UTC)
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john <johnsefton288@gmail.com> writes:

>Odd
>"with the nearest proton a billion atomic diameters
>away. "
>And this is known for sure....how?

Ummm, because electron beams are produced in a vacuum? And a good vacuum
has very few (ideally no) atoms in it?? And that is done because electron
beams striking stray atoms produce undesired effects??