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7,271 hits Rate me! Share Favorite | Flag 8 years ago by sander

Can a point be said to exist?
No one has ever seen a point. It has no lenght, height or width.


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8 yrs ago, 3 mos ago - Friday 7/4/14 - 5:51:12 AM EST (GMT-5)
What we get when we try to draw a point is not a point, but a small, roughtly circular shape.
It has no dimensions, so can it really live in our four dimentional universe?
8 yrs ago, 3 mos ago - Friday 7/4/14 - 11:59:13 AM EST (GMT-5)
Yes. As you say, 4 dimensions.
8 yrs ago, 3 mos ago - Friday 7/4/14 - 12:57:27 PM EST (GMT-5)
Neither a point, nor a line, nor a square, nor any other 1 or two dimensional object can live in our four dimensional world as anything but an abstract construction.

Only when you reach the level of a three dimensional object (which is really four dimensional) can you have manifestation in this reality.
8 yrs ago, 3 mos ago - Friday 7/4/14 - 5:27:56 PM EST (GMT-5)
On Friday 7/4/14 - 12:57:27 PM Wanderer wrote:
a three dimensional object (which is really four dimensional)
I've never thought of objects as having a temporal dimension, just that they exist within the temporal dimension.
8 yrs ago, 3 mos ago - Friday 7/4/14 - 6:37:17 PM EST (GMT-5)
The fourth dimension, time (or change), exists for all three dimensional objects, even though they don't move of their own volition.

They wear, they deteriorate - time/change/the fourth dimension.
8 yrs ago, 3 mos ago - Friday 7/4/14 - 6:44:38 PM EST (GMT-5)
Wait, is that what 'dimensional' means? That it can move through that dimension, not that it can be measured in that dimension?
8 yrs ago, 3 mos ago - Friday 7/4/14 - 9:25:57 PM EST (GMT-5)
In all dimensions, no.

In the fourth dimension, yes. That's what the fourth dimension is - time/ change.

It's the difference between algebra (mostly two, sometimes three dimensional) and calculus (mostly 4 dimensional).
8 yrs ago, 2 mos ago - Saturday 7/5/14 - 8:32:39 AM EST (GMT-5)
So something can be said to have a spatial dimension when it can be measured in that dimension and can be said to have a temporal dimension when it can move through that dimension. Cool!
8 yrs ago, 2 mos ago - Sunday 7/27/14 - 9:15:07 PM EST (GMT-5)
It exists as a mathematical construct.
8 yrs ago, 2 mos ago - Sunday 7/27/14 - 9:38:01 PM EST (GMT-5)
On Friday 7/4/14 - 5:51:12 AM sander wrote:
What we get when we try to draw a point is not a point, but a small, roughtly circular shape. It has no dimensions, so can it really live in our four dimentional universe?

Yes. It's small, but it is basically a minuscule shaded in circle.



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