Re: [-empyre-] multi-perspectival / cultural hegemony of space

["arteonline" <arteonline@arteonline.arq.br>]

Hello,

I am Regina Célia Pinto, visual artist and researcher
(http://arteonline.arq.br).

1- To Jim
To the paragraph below, I would like to add a piece of information:

> there are such things as non-euclidean geometries, john. are you familiar
with non-euclidean
> geometries? they generally preserve the notion that a 'straight line' is
the shortest distance
> between two points, but if the space is, say, only the points on the
surface of a sphere, then a
> 'straight line' turns out to be part of a great circle, ie, the shortest
distance between two
> points on the surface of a sphere is part of an 'equatorial' circle.

Do not forget  that all straight line is a curve line of infinite ray, so
that, each straight line segment which is the minor distance between two
points in the Euclidean Geometry is  a curve segment of infinite ray.
Geometries are  really beautiful are not them?

2- To all
I would like to say that the issue virtual reality interests me a lot
because I am working with architecture of information, the 'Museum of the
Essential and Beyond"  is my attempt to create a creative interface - a
simulation of a contemporary and virtual museum dedicated to new media arts.
For now I am working only with dreamweaver, flash and photoshop, but I am
very interested about softwares of virtual reality. I have had problems to
open the majority of the sites which have been mentioned here because my
windows is XP. Any suggestion? What do you think about Adobe Atmosphere?

Best regards,

Regina



> there are such things as non-euclidean geometries, john. are you familiar
with non-euclidean
> geometries? they generally preserve the notion that a 'straight line' is
the shortest distance
> between two points, but if the space is, say, only the points on the
surface of a sphere, then a
> 'straight line' turns out to be part of a great circle, ie, the shortest
distance between two
> points on the surface of a sphere is part of an 'equatorial' circle.
>
> the geometry of the universe in some cosmologies is supposed to be
non-euclidean. in the big
> bang theory, there's an origin point to the universe, the beginning of
time, and the universe is
> supposed to be an expanding four-dimensional sphere.
>
> when we look out into the sky at night, the further we see, the further
back in time we see. so
> that no matter what direction we look, if we could see far enough, we
would glimpse the same
> point, the origin of all things, the beginning of time. the meeting place.
all lines intersect
> in this geometry. there are no parallel lines.
>
> pretty non-euclidean.
>
> is it non-cartesian? uh huh.
>
> western philosophy has a history that has involved philosophers such as
kant and locke looking
> into our notions of space and time. kant supposed that any notion of space
that did not involve
> the parallel postulate of euclidean geometry would result in an
unintelligable notion of space.
> but that postulate often does not hold in non-euclidean geometries. in
other words, kant thought
> that the parallel postulate was an a priori truth, and various famous
western philosophers have
> done the same, supposed that some version of the parallel postulate is a
priori true. indeed it
> is the most common example in the history of western philosophy of an a
priori truth.
>
> the parallel postulate says that, given a straight line A and a point b
not on A, there is one
> and only one line through b parallel to A.
>
> but on the surface of a sphere, given a straight line A and a point b not
on A, there are no
> lines through b parallel to A.
>
> in other non-euclidean spaces, there are infinitely many.
>
> non-euclidean geometry was rather important in bringing into question the
idea that a priori
> truths exist.
>
> ja
>
> PS: Here is a fascinating 'space' by France's Frédéric Durieu:
> http://www.lecielestbleu.com/media/oeilcomplexframe.htm . The nature of
this space is discussed
> in http://turbulence.org/curators/Paris/durieuenglish.htm . To make a long
story short, this
> piece by Durieu called "Oeil Complex" is using a mapping of 1/(a+bi), ie,
is using imaginary
> numbers.
>
>
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