Re: the apple test

On Tue, 31 Dec 2024 18:11:38 -0500, Edward Rawde wrote:
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"john larkin" <jl@glen--canyon.com> wrote in message
news:sls8nj55tqh3u77h1vqbnvffs0vjjd7oo3@4ax.com...

On Tue, 31 Dec 2024 17:30:55 -0500, DJ Delorie <dj@delorie.com> wrote:
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john larkin <jl@glen--canyon.com> writes:

Close your eyes and imagine an apple in front of your face. Can you
see it? In detail, in color? Can you rotate it on any axis and see it
moving? Can you look down on it from the top and see which way the
stem points?

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The important thing to remember is... there is no apple.

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Apples are real.

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Except imaginary ones.
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But some imaginary things might be real.
https://www.youtube.com/watch?v=T647CGsuOVU

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They're real alright. You can't describe things like complex impedance or
the plotting of a Smith Chart without recourse to them.