[Marxism] Fwd: Why String Theory Still Offers Hope We Can Unify Physics | Science | Smithsonian
shmage at pipeline.com
Wed Dec 24 09:51:00 MST 2014
On Dec 24, 2014, at 11:39 AM, Les Schaffer via Marxism wrote:
> its possible to say something interesting about a dimension without
> existence of a higher dimensional embedding space. watch this:
> walking a
> thousand feet east, or a thousand feet north seems very different from
> climbing a thousand feet up stairs. for the life of me i can't figure
> out why.
this says something--totally uninteresting--about your personal
physiological sensations. What it says about dimensions for the life
of me i can't figure out.
>> And then what could make less sense than to say "dimensions which we
>> directly experience" when nobody--no sentient being--has ever
>> "directly experienced" a dimension? What is experienced, what alone
>> can be experienced, is a process of constantly changing things
>> presented to us as a complex that our perceptual apparatus organizes,
>> as guide to living practice, within that four-dimensional structure
>> experienced reality.
> in other words, we don't "directly experience" time, space, mass, much
> less dimensions...
This cosmos did none of gods or men make, but it
always was and is and shall be: an everlasting fire,
kindling in measures and going out in measures.
Herakleitos of Ephesos
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