# math on widths doesn't add up

Stephen Barncard stephen at barncard.com
Sun Jul 7 18:12:18 EDT 2019

```What my cat looks for.

On Sun, Jul 7, 2019 at 15:08 Sean Cole (Pi) via use-livecode <
use-livecode at lists.runrev.com> wrote:

> I've just been teaching my youngest about the 4th - nth dimensions. Time is
> not the 4th but the 1st temporal dimension. If the 3 spatial dimensions are
> Length, height and width then the 4th is depth, ie, going inwards and
> outwards as the easiest way to picture it (but not truly representative).
> That being the case, how would you describe the 5th spacial dimension.
> That'll twist your noggin if it's not something you've thought of before :)
>
> Sean
>
>
> On Mon, 17 Jun 2019 at 21:55, Bob Sneidar via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
> > Heh! That reminds me, I knew a British professor once who used the
> > illustration that a two dimensional being, confronted with a line would
> > perceive it as impassible. He then went on to explain how it might be
> that
> > a 3 dimensional being, when needing to see into the future might perceive
> > it as impossible, whereas to a 4th dimensional being, that is not bound
> by
> > time, would not.
> >
> > Bob S
> >
> >
> > > On Jun 17, 2019, at 13:24 , Dar Scott Consulting via use-livecode <
> > use-livecode at lists.runrev.com> wrote:
> > >
> > > Sure. I do it all the time and everybody knows how 1D I am.
> > >
> > > Some random thoughts:
> > >
> > > A Turing machine might be considered 1D. It can draw x,y.
> > >
> > > This past month, I was working in very high dimensions. I was not able
> > to visualize that very well and used dimension reduction techniques such
> as
> > PCA, UMAP and t-SNE to help. I would guess the 1D being might have to do
> > something similar for "visualization". Maybe.
> > >
> > > Lewis and Clark went on a path or route, 1D, and took measurements that
> > allowed them to create a 2D map. That is, the space of the 1D path was
> > assumed to bend in a 2D space.
> > >
> > > The floor of my lab looks 2D to me, but I have latitude and longitude
> > marked for the center. That labelling assumes a curving into 3D.
> >
> >
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--
--
Stephen Barncard - Sebastopol Ca. USA -
mixstream.org

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