[LMB] LISTBIZ: Is CRT only USA?

Raymond Collins rcrcoll6 at gmail.com
Thu Jul 8 23:42:02 BST 2021


My favorite trick with a CRT tv was to switch to a blank channel and turn
the brightness dial all the way to dark. Those little flashes you could
still see on the screen was the background radiation from the big bang.
Sometimes I'd stare at it looking for a pattern.

On Thu, Jul 8, 2021, 11:36 AM Joel Polowin <jpolowin at hotmail.com> wrote:

> "A. Marina Fournier" <saffronrose at me.com> wrote:
> > CRT still means cathode ray tube to me,
>
> To me, also.  It's how I, as a chemist, remember whether it's the
> cathode or anode that's negatively charged in an electrochemical cell.
> And therefore is approached by positive ions, has metal deposited, etc.
> The cathode is the one that spits out electrons.  After that, it's just
> a matter of remembering that oxygen likes to grab electrons, so the
> cathode is where reduction takes place, and the anode does oxidation.
>
> Joel
>
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