On Mon, 14 Apr 2008 22:57:47 +0100, "Androcles"
wrote:
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"Paul B. Andersen" wrote in message
...
| Dr. Henri Wilson skrev:
| Let's be honest. Nothing physics has produced so far has given any
insight into
| what makes a 'field'. Apart from the fact that the maths describing the
forces
| are well known, action-at-a-distance is as much a mystery as ever.
|
| Consider a completely isolated negative charge in remote space. The
question
| is, does its 'field' exist in the absence of another charge. If so, how
is the
| surrounding space modified in such a way that if another charge is
introduced
| at any distance , a force immediately exists between the two. That force
can be
| attractive or repulsive depending whether the charges are unlike or
like.
|
| The gravitational field associated with unit mass is fundamentally
different in
| that like masses ATTRACT each other. There is no information about the
nature
| of forces between positive and 'negative' mass (presumeably
anti-matter).
| It can be deduced from this that the properties of space that account
for an
| electrostatic field must be fundamentally different from those that are
| associated with gravity.
| It is also apparent that the relative movement of a charge or charges
somehow
| alters their combined surrounding fields to create what is called a
magnetic
| field. Again, although the maths of magnetism are well documented, there
is no
| actual physical model that describes the relationship between
electrostatic and
| magnetic force fields.
|
| You mean a "physical model" like a clockwork?
| Blame it on the fairies.
| They connect the fields "physically" with invisible cogs and wheels.
|
Time-dilated clockwork, Tusseladd.
The invisible cogs between Earth and Moon slip 6 hours every
million years, remember. Blame it on lunacy - yours.
If they can't find the answer in a book, their only escape is to plead
lunacy...
Henri Wilson. ASTC,BSc,DSc(T)
www.users.bigpond.com/hewn/index.htm
.....specialising in teaching physics to engineers and mathematicians....