Gravity: So Ubituitous, Why So Difficult to Grasp?
- From: "Her Lao" <hawjlauj@xxxxxxxxxxx>
- Date: Sun, 13 Aug 2006 21:21:51 +0000 (UTC)
Gravity is the single most ubiquitous entity in the universe.
We have felt its effect every waking moments of our lives (the
only times we don't feel gravity is when we are in some dreams
where we could float or fly!, think about it! Not even in
sleep do we escape gravity; but only in DREAMS that we sometimes
do escape it!)
The STANDARD MODEL in physics is the deepest, most comprehensive
scientific theory up to date; but it does NOT include gravity!
That is, in experimentation from the average labs to the billion
dollar sub-particle-smashers --- both here in America, which will
be overtaken by the giants at CERN in Europe, in Switzerland, near
Geneva --- gravity is more or less ignored.
There are a few fundamental difficulties, but the first among them
is that sub-particles are so tiny, their interaction with gravity,
to us big clumpsy and infant in our understand of it, we can not
really fully measure or appreciate it at the sub-particle levels or
beyond.
There are, as you know, FOUR socalled FORCES OF NATURE, as they are
currently and carefully defined:
(1) gravity,
((2) electromagnetism,
(3), strong nuclear force, and
(4) weak nuclear force (not "nukular" as our Great President would
like to say it: they didn't teach physics when George W. went to
Yale or Harvard; or he didn't take none of them).
Gravity, though "weakest" among tiny particles, is the most supreme
across vast distances.
Electromagnestism --- Maxwell's supreme achievement in the late
1800s --- pertains to how particles of electrically charged
interact with each other; it also, as its name suggests, deals with
the magnetic field. Maxwell was the genius who combine the two,
allowing forever for us to understand electricity and magnetism as
the same set of phenomenon, in which the one can generate the other,
and vice versa.
The "strong" nuclear force deals with the "cancellation" of normally
"like-charges" from repulsing each other. As you know, negative
and positive charges, due to their opposite, are very amiable; they
can stay together and work together well. But two positives or
two negatives don't like to cooperate too well; they repell each
other. The closer they are next to each other, the more they dislike
each other and the more they push against each other.
The "strong" force is the only thing we are able to vaguely identify
as being the thing responsible for keeping "like-things" together
in the extremely small NUCLEUS of an atom. As you know, in the atomic
nucleus, you don't have electrons; all you have is just protons, and
protons are like-things: they are all positively charged particles
and they don't like to be next to each other that close.
But luckily there's the strong force to make sure the protons don't
fly apart.
Lastly, the nuclear "weak" force.
The weak nuclear force control some nucleic decays, like the socalled
beta decay. Alchemists would have loved to have their hands on
this force, because this force is the one that can easily change, say,
MERCURY (80 protons) or a PLATINUM (78 protons) to GOLD (79 protons)!
Not "fools gold" but "real gold" when the weak force is involved!
As you know, if you mess with only the ELECTRONS --- which are
"floating" in the periphery of an atom --- you are only talking
about "normal" chemistry. You can create explosions, implosions,
and other fancy and noisy and destructive stuff, but you have NOT
changed an ATOMIC STRUCTURE! Electrons of different elements are
merely being "exchanged" or being "borrowed".
But when you mess with the "nukular" part of an atom, as our Great
President would say, you are messing with the TRANSFORMATION of
one element to anther. PROTONS, inside nucleus, determine what an
"element" is, not electrons.
In any event, why is it so difficult to have a firmer grasp on
GRAVITY, the most pervasive, all-around force around us and in the
macro world beyond us, into the gigantic planets, galaxies, and
super clusters of galaxies?
No one, at this point in time, has a clear answer. This, to me, is
the MOST IMPORTANT milestone that human, as a species, will cross
when we are able to understand it like we do ELECTRONS or, more
comprehensively, electromagnetism. Electricity and magnetism have
become our indispensible work-horse since Benjamin Franklin's time.
It is almost 300 years since humans have been able to mess with
and manipulate ELECTRICITY at will, creating a myriad of applications.
Those people and society who quickly learn and are able to find
the shortest route between two points, they have replace their
backs and the horse and cattle with electricity and motors as their
work-horse; others, for a whole host of reasons, are still doing
backbreaking work.
Gravity is the next stage in human understanding. To be able to
mess with it, to manipulate it like we do ELECTRONS/electricity, this
would truly usher in another human era.
There, alas!, will still be war and violence. Some people will still
say they deserve more of the "pie" (local space and resouces) than
others; and they say they can be and ARE very "generous" but you have
to do as they say. Otherwise they can wipe you out, if you don't do
as they say and challenge them, that is.
But I feel that a true ability to understand and manipulate gravity
at our own will --- at least at the level where we're able to mess
with or manipulate electrocity --- will give us a whole host of
tremendously MORE "local space and resources" to fight over. The
stronger will still say they deserved a more disproportionate amount
because they can think of more, can create more,,, but the rest will
still have enough to be content with, once we are able to understand
and harnest GRAVITY.
--
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- References:
- Here's A Catch-22 for Students of Science
- From: Her Lao
- Here's A Catch-22 for Students of Science
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