Does a hole in something actually exist, or is it merely an absence of matter?
Take for example – a hole in a piece of paper.
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s.A
>(catisback) no. zero is a man-made concept. but…if you get a hole in your car's radiator…then that's actually something.
(children_of_the_dragon_cn) This question is more like on metaphysics than actual physics.
Depends wholly on your definition. With regards to physics, then a hole in some matter is just absence of matter in a four-dimensional spacetime.
If you are talking about black holes or singularities, for example, that's actually the absence of spacetime all together.
(David Dodeca) This is more a metaphysics type question eh? Websters… a: to have real being whether material or spiritual b: to have being in a specified place or with respect to understood limitations or conditions
I would rule that a hole is an observed ABSENCE of existence.
"The paper has a hole" means the paper has an absence of cellulose at a specific location.
In describing a hole, one is describing the state of something rather than the existence of something.
(frediwhite@verizon.net) It can even carry information, like the hole in a punched card. wow.
>(catisback)
no. zero is a man-made concept.
but…if you get a hole in your car's radiator…then that's actually something.
(children_of_the_dragon_cn)
This question is more like on metaphysics than actual physics.
Depends wholly on your definition. With regards to physics, then a hole in some matter is just absence of matter in a four-dimensional spacetime.
If you are talking about black holes or singularities, for example, that's actually the absence of spacetime all together.
(David Dodeca)
This is more a metaphysics type question eh?
Websters…
a: to have real being whether material or spiritual
b: to have being in a specified place or with respect to understood limitations or conditions
I would rule that a hole is an observed ABSENCE of existence.
"The paper has a hole" means the paper has an absence of cellulose at a specific location.
In describing a hole, one is describing the state of something rather than the existence of something.
(frediwhite@verizon.net)
It can even carry information, like the hole in a punched card. wow.