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John,
I incline to think that
reality/tangibility and irreality/intangibility are two extremes, allowing
the grades of reality//ideality. It's more like the spectrum of light, a
chromatic color space, rather than an achromatic color, white/tangible or
black/intangible. May be, something what Avril is saying, fuzziness, has
also a place here.
As i mentioned before, something is tangible/detectable because it
interacts with one of the forces of nature: Electromagnetic force (light);
Gravitational force; Weak force; Strong
nuclear force. Hence something is
dark, like dark matter or energy, if it doesn't interact with the light,
invisible, like neutrinos, which interacts with ofher physical forces as well.
The existence
of dark matter is reasoned from its hypothetical
interactions ONLY with gravity, the impact/effect on the rotation of
galaxies.
Some other evidence
in favor of such thinking, different levels of intelligence,
any smart things can be endowed with, being:
ü
automated,
ü
sensitive,
ü
context-aware,
ü
active,
ü
interactive,
ü
reactive,
ü
proactive,
ü
assistive,
ü
adaptive,
ü
sentient,
ü
perceptual,
ü
cognitive,
ü
autonomic,
ü
thinking, intelligent, reasoning.
Azamat
----- Original Message -----
Sent: Friday, July 29, 2011 3:21 PM
Subject: Re: [ontolog-forum] intangibles
(was RE: Why most classifications are fuzzy)
Azamat,
The words 'tangible' and 'intangible' do not admit gradations of
variability. There is nothing semi-tangible or almost intangible.
> so it looks more intangible than
tangible.
No. There are many physical things that are very hard to
detect: atoms, quarks, Higgs boson, neutrinos, etc. But that does
not make them intangible.
Anything that has any observable effects of any kind is tangible. And
dark matter has huge effects: it changes the way matter in galaxies and
even intergalactic space is distributed.
John
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