Do one dimensional objects exist?

I was thinking, there can be no existent object if it only has one of these 3 dimensions; height, width, and length... so do one dimensional objects exist? Or is it only what we refer to as empty space?

Comments

  • I cannot think of any 1 dimensional objects, but there are (!) zero dimensional objects: photons are considered to have zero dimensions: zero size.(and zero mass).

  • Our space is three-dimensional. Bur who knows; some proponents of the multiverse (multiple universes) idea believe that there can be spaces of other dimensions.

    And certainly, in abstraction, one dimensional spaces exist. If you compressed all of free space to a plan (by taking a slice of it) then you'd have a two-dimensional space, on which things like lines and circles and rectangles could live. There would be width and length but no height. Then you could compress another dimension and you would still have lines and points and things.

    Empty space, in our universe, is still three-dimensional. What would be truly empty is non-existence.

    You might be interested to look at String Theory (see the link) for more consideration of physical dimensions.

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