>>>>> In oh-so-very-human 3-D,
>>>>> the earth's orbit has angular momentum and ³ action ² is conserved;
>>>>> not so in the ( unimaginable ) 4-D world that's intrinsic to nature.
>>>>>
>>>>> The earth is moving in a staight line.. but spacetime is curved.
>>>>> The spacetime continuum is also known as hyperspace,
>>>>> i.e. the 4-D gravitational field, a hyperstructure.
>>>>>
>>>>> Randomness is ignorance, nothing more.
>>>>> When a system is fully known it can be modeled in 4-D;
>>>>> otherwise its a 3-D model or ( worse ) a statistical model.
>>>>>
>>>>> For some light reading on this topic see
>>>>> this philosophical novel about World War II and 4-D hyperspace:
>>>>> ³ Slaughterhouse-Five;
>>>>> or, The Children's Crusade: A Duty-Dance With Death ².
>>>>>
>>>>> Einstein said:
>>>>> ³ I see a pattern,
>>>>> but my imagination cannot picture the maker of that pattern.
>>>>> I see a clock, but I cannot envision the clockmaker.
>>>>>
>>>>> The human mind is unable to conceive of the four dimensions,
>>>>>
>>>>> so how can it conceive of a God,
>>>>> before whom a thousand years and a thousand dimensions are as one ? ².
>>>>> -- ³ The Expanded Quotable Einstein ²,
>>>>> Princeton University Press, 2000 Page 208
>>>>>
>>>>> Petkov ( 2005 ) has this to say:
>>>>> ³ This paper pursues two aims.
>>>>>
>>>>> First, to show that the block universe view, regarding the universe as
>>>>> a timelessly existing four-dimensional world,
>>>>> is the only one that is consistent with special relativity.
>>>>>
>>>>> Second, to argue that special relativity alone can resolve
>>>>> the debate on whether the world is
>>>>> three-dimensional or four-dimensional.
>>>>>
>>>>> The argument advanced in the paper is that
>>>>> if the world were three-dimensional
>>>>>
>>>>> the kinematic consequences of special relativity and more importantly
>>>>> the experiments confirming them would be impossible. ².
>>>>>
>>>>> -- ³ Is There an Alternative to the Block Universe View ? ²
>>>>>
http://Philsci-Archive.Pitt.EDU/archive/00002408/
>>>>>
>>>>> From Einstein's, " Ether and the Theory of Relativity " ( 1920 )
>>>>> quoted at "
http://TUHH.DE/rzt/rzt/it/Ether.html ":
>>>>>
>>>>> " But this ether may not be thought of as
>>>>> endowed with the quality characteristic of ponderable media,
>>>>> as consisting of parts which may be tracked through time.
>>>>>
>>>>> The idea of motion may not be applied to it. ".
>>>>>
